Answers
Answer:
k(-7) = = -89
Step-by-step explanation:
k(t) = 10t -19
Let t = -7
k(-7) = 10*-7 -19
= -70-19
= -89
Answer:
-89
Step-by-step explanation:
K(t) = K(-7)
10 is being multiplied by t. t = -7
so:
10(-7) = -70
-70 - 19 = -89
Hope this helps!
Related Questions
help with geometry..need help...if any of you is good with geometry
What transformations would result in the image shown? (question for the first image)
a.Δ ABC is reflected over both axes.
b.Δ ABC is reflected over the y-axis and translated down 5 units.
c.Δ ABC is reflected over the x-axis and translated right 5 units.
d.Δ ABC is translated right 5 units and down 5 units.
Which transformations would result in the image shown?
a.ABCD is reflected over both axes.
b.ABCD is translated right 4 units and down 3 units.
c.ABCD is reflected over the x-axis and translated right 4 units.
d.ABCD is reflected over the y-axis and translated down 3 units.
Answers
Answer: For the first image, D will be the correct answer. For the second image, A will be the correct answer.
Step-by-step explanation:
The first image has a quite simple answer because translating the shape just means moving every point in the direction given according to some many units. In this case, we would be translating points A(-4,3), B(-3,1), and C(-1,2) 5 units right and 5 units down to get us the prime points of A'(1,-2), B'(2,-4), C'(4,-3).
In the second image, a reflection just describes a flip over some line, known as the line of reflection. We change the point's signs depending on the line of symmetry we are given when reflecting (in this case, the y axis). Reflecting the trapezoid over the y axis will result in a change of signs of the x values of the given points. Point A of the trapezoid is located on coordinate (-2,2), after the reflection, it will be located on point (2,2). Points B will reflect from point (-1,2) to point (1,2). Point C will reflect from (-1,1) to (1,1). Finally, point D will reflect from point (-3,1) to (3,1). After this reflection, we have to perform the same one except only the y values of our coordinates will change because we are reflecting over the x axis. After you graph the trapezoid from the previous reflection, do the same thing by just changing the y values of the coordinates to get your desired image.
Answer:
D
A
Hope this helps!
Given right triangle XYZ, which correctly describes the
locations of the sides in relation to _Y?
a is opposite, b is adjacent, c is the hypotenuse
a is the hypotenuse, b is opposite, c is adjacent
a is adjacent, b is the hypotenuse, c is opposite
a is adjacent, bis opposite, c is the hypotenuse
Y
N
I don’t know the answer! Someone please tell me
Answers
Answer:
a is adjacent, b is opposite, c is the hypotenuse
Step-by-step explanation:
A right angled triangle must contain the opposite, the adjacent and the hypotenuse. The opposite is the side that directly faces the angle of interest. The adjacent is the side that is close to the angle of interest.
Given that the angle Y is positioned between X and Z, the point b becomes the opposite of Y. The point a becomes adjacent to angle Y while c remains the hypotenuse of the right angled triangle.
The image below typifies the explanation given above. It shows the relationship between the three sides of the right angled triangle in detail.
Answer:
a is adjacent, b is opposite, c is the hypotenuse
Step-by-step explanation:
i took the test on ed.
In the late 18th century, a decimal clock was proposed, in which there were 100 'minutes' in one 'hour' and 10 'hours' in one day. Assuming that such a clock started from 0:00 at midnight, what time would it show when an ordinary clock showed 6am?
Answers
Answer:
2:50
Step-by-step explanation:
On an ordinary clock, there are 24 hours.
1) 6/24 = 0.25 (The percentage in which the day has passed)
2) 10 (total hours in a day in the decimal clock) * x 0.25 = 2.50
3) 2.5 Hours. On a typical clock, that would read 2:30, however, because the decimal clock proposes that there are 100 minutes in one hour, it will be 2:50, Therefore, the clock will display 2:50
The time that is shown in a decimal clock when it is 6 am in the ordinary clock is 2:30 am.
What is an expression?An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
Example: 2 + 3x + 4y = 7 is an expression.
We have,
Decimal clock:
One day = 10 hours
Ordinary clock:
One day = 24 hours
6 am is the first quarter of the day.
This means,
There are 4 quarters in a day.
So,
One quarter is 6 hours.
Now,
Number of hours in one quarter in the decimal clock
= 10/4
= 2.5 hours
This means,
2:30 am when it's 6 am in the ordinary clock.
Thus,
The time shown in the decimal clock is 2:30 am.
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Phillip is rolling two number cubes. How many different ways can he roll the number cubes and get a sum of 6?
A. 3
B. 4
C. 5
D. 6
Answers
What is the slope of the line that passes through the points (7, -9) and
(15, -29)? Write your answer in simplest form.
Answers
Y2-y1/ x2-x1
So -29-(-9)/15-7= -29+9/8= -20/8= -5/2 is the slope.
Answer: -5/2
Step-by-step explanation: Because you take the x1 and y1 and subtract it from x2 and y2. That gives you -20/8. Then you simplify.
Please answer correctly !!!!!!!!!!!!!!!! Will mark brainliest !!!!!!!!!!!!!!
Answers
Answer:
Take the square root of each side
Add 5 to each side
Step-by-step explanation:
(x-5)^2 = 25
Take the square root of each side
sqrt((x-5)^2 ) = ±sqrt(25)
x-5 = ±5
Add 5 to each side
x-5+5 = ±5 +5
x = 5 ±5
7. Triangle RST has sides RS = 5.5 cm, RT = 3.9 cm, and ST = 4.8 cm. The value
of the largest angle in this triangle has a value of
A.
43.8
B.
58.5°
C.
77.7 °
D.
79.3
Answers
Olga is putting a border around her triangular flower bed. She has 20 feet of border material, which will fit perfectly around the bed. She wants to make the flower bed larger by tripling the length of each of its sides. How much border material will she need in total?
Answers
Answer:
60 feet
Step-by-step explanation:
We know that a triangle has 3 sides, in this case we will call them a, b and c.
It tells us that everything is material, it measures 20, that is:
a + b + c = 20
They tell us that she wants to triple each side and to know how much material she would need in total. Then it would be:
border material need = 3 * a + 3 * b + 3 * c
common factor 3:
border material need = 3 * (a + b + c)
border material need = 3 * 20
border material need = 60
Which means that she needs a total of 60 feet of material.
Answer: She would need 60 ft of border material.
Step-by-step explanation: Olga has a triangular flower bed, which means her flower bed is three sided. Also it has been stated that she has 20 feet of border material available. which will fit perfectly around the bed. This also means the perimeter of her flower bed is 20 feet.
Assuming the sides of her flower bed are labeled as a, b and c. Then a plus b plus c would equal 20, since the perimeter is the addition of all sides of the triangle.
However, she intends to triple the length of each side of the flower bed, and that would translate into the sides being 3a, 3b and 3c respectively. This effectively triples the length of the perimeter which is shown as,
Perimeter = a + b + c
20 = a + b + c
3(20) = 3a + 3b + 3c
60 = 3a + 3b + 3c
Therefore, she is going to need more border material and that is calculated as 60 feet.
Jonas jogged up the hill at an average rate of of a mile per minute and then walked down the hill at an average rate of StartFraction 1 Over 16 EndFraction left-parenthesis 42 minus x right-parenthesis. of a mile per minute. The round trip took him 42 minutes. What is the missing value in the table that represents the distance of the trip down the hill? A: 1 over 16 x B: 42 over 16 minus x C: 42 minus 1 over 16x D: 1 over 16(42 – x)
Answers
Answer:
D.) 1/16 (42-x).
Step-by-step explanation:
it was right on edg 2020
In the table that represents the distance of the trip down the hill, the missing value is ¹/₁₆(42 - x).
What is distance?
Distance is the length of space between two points.
Distance = speed x time
In the table that represents the distance of the trip down the hill, the missing value is calculated as follows;
Distance = ¹/₁₆ x (42 - x)
[tex]Distance = \frac{1}{16(42-x)}[/tex]
Thus, In the table that represents the distance of the trip down the hill, the missing value is ¹/₁₆(42 - x).
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The graph below shows a translation of preimage triangle vertex C to image triangle vertex C'.
What is the algebraic rule for this translation?
A. (x,y) = (x+6,9+2)
B. (x,y) → (x-6,y-2)
C. (x,y) → (x -6,y-6)
D. (x,y) → (x+2,x+10)
Answers
Answer:
Option (B)
Step-by-step explanation:
From the figure attached,
Triangle with vertex C' is a translated form of the triangle with vertex C.
Coordinates of pre-image C → (2 , 6)
Coordinates of the image C' → (-4, 4)
Rule followed from pre-image C to image C',
(2, 6) → (-4, 4)
(2, 6) → [(2 - 6), (6 - 2)]
(x, y) → [(x - 6), (y - 2)]
Therefore, rule given in option (B) is the answer.
Answer:
it is B
Step-by-step explanation:
The name for the expression 3/13 is:
Answers
Answer:
a fraction
Hope this helps!
The area, a, of an ellipse can be determined using the formula a = πxy, where x and y are half the lengths of the largest and smallest diameters of the ellipse. Which is an equivalent equation solved for y? y = a · πx y = a + (πx) y = a – πx y = a ÷ (πx)
Answers
Answer:
Step-by-step explanation:
If [tex]A =\pi xy[/tex], then π, x, and y are all multiplied together. Multiplication is undone by division, so we will divide away the πx to solve for y:
[tex]\frac{A}{\pi x}=y[/tex] which is your last option.
Here, we are required to find an equivalent equation solved for y if the area, a is given by;
a = πxy
An equivalent equation solved for y is;
y = a ÷ (πx)
To find an equivalent equation solved for y,
We have to make y the subject of the formula in;
a = πxy.
Therefore, by dividing both sides of the equation by πx, so that y is left alone on the right hand side.
Therefore, y = a ÷ (πx).
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In the figure,BE||CD. Solve for . Show your work.
Answers
Answer:
Step-by-step explanation:
AE is 9. ED is 6. The triangle ABE is proportional to ACD, so their sides are proportional. For example, AE:ED = AB:BC. So, ED/AE = 2/3 = BC/AB. This gives us 2/3 = x/10, which gives us x=6.6667
Calvin had $10. When he bought 7 colored pencils and 2 notebook at $1.30 per notebook, the change was $1.10 what is the price of 1 colored pencil?
Answers
Answer:
90 cents
Step-by-step explanation:
7x+2(1.30)=10-1.10
7x=8.9-2.6
x=6.3/7= 0.9
Answer:
$.90 or 90 cents each
Step-by-step explanation:
10-2(1.30)-7(x)=1.10
10-2.6-7x=1.10
7.40-7x=1.10
7x=6.3
x=6.3/7
=.90
What is the rule for the reflection?
ry-axis(x, y) → (–x, y)
ry-axis(x, y) → (x, –y)
rx-axis(x, y) → (–x, y)
rx-axis(x, y) → (x, –y)
Answers
Answer:
ry-axis(x, y) → (–x, y)
rx-axis(x, y) → (x, –y)
Step-by-step explanation:
When you reflect over the x axis, the y values change. When you reflect over the y axis, the x values change.
Answer:
Option C is your answer
I says on my notes but it won't show you for some reason
I've done this before.
Step-by-step explanation:
suppose that the current canadian dollar to US dollar exchange rate is 0.80 CAD = $1 US and that the U.S. dollar price of an Apple iphone is $320 what is the Candian dollar price of iphone?
Answers
Answer: 256 CAD
Step-by-step explanation:
Hi, to answer this question we simply have to multiply the price in US dollars of the iphone (320) and multiply it by 0.80 ( Canadian dollar to US dollar exchange rate)
Mathematically speaking:
Since:
$1 US = 0.80 CAD
$320 x0.80 = 256 CAD
Feel free to ask for more if needed or if you did not understand something.
Which pair of angles is supplementary?
ZRXZ and ZYXZ
ZPXQ and ZRXS
ZYZX and ZUZT
ZWZX and XYZ
Answers
Answer:
B
Step-by-step explanation:
im not sure of the answer
The pair of angles that are supplementary are ∠YZX and ∠UZT.
Option C is the correct answer.
What is an angle?The angles between two lines are the angles formed by two intersecting lines, measured in degrees or radians.
Several different types of angles can be formed between two lines, including acute angles, right angles, and obtuse angles.
We have,
From the figure,
∠YZX and ∠UZT are opposite angles.
And they can form a supplementary.
This means,
∠YZX + ∠UZT = 180
Thus,
The pair of angles that are supplementary are ∠YZX and ∠UZT.
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which linear function represents the line given by the poin-slope equation y-8=1/2(x-4)
Answers
Marie wants to know the most popular car for parents. She plans to survey the people entering the mall from 10:00 a.m. to 11:00 p.m. What can Marie do to make sure her survey is valid?
A) Marie’s sample is valid
B) Marie should also survey people entering the grocery stores
C) Marie should make sure she surveys both fathers and mothers
D) Marie should make sure she surveys the children as well as the parents
Answers
Answer:
c
Step-by-step explanation:
Answer:
C) Marie should make sure she surveys both fathers and mothers.
Step-by-step explanation:
Instead of asking one parent like the father, she should ask both types of parents. Some parents go the mall by themselves not with their spouse. The parents may even have their own separate car so she needs to ask both of them.
In a town, 45% of all households have a pet and 35% have children. 40% of all household have children and pet find the probability of that household.
Answers
Find angle x and y!
Very easy.
Answers
Answer:
x=60
y=300
Step-by-step explanation:
x=60
y=300
Brass contains copper and zinc in the ratio 2:1. How much zinc is there in 3 kg of brass
plz need help with this plzz
Answers
Answer:
There is 1kg of zinc in 3kg of brass
Step-by-step explanation:
Here, we are interested in knowing the amount of zinc present in 3kg of brass
Brass is an alloy of copper and zinc.
Now to get the amount of zinc present, we have to use the ratio;
The ratio of zinc is 1
So the amount of zinc present is calculated as follows;
Total ratio = 2+ 1 = 3
Thus;
1/3 * 3kg = 1kg
A total of 70 tickets were sold for a concert and earn the organizers $804. If the cost of each ticket is either $10 or $12, how many tickets of each type were sold?
Answers
Answer:
X=18
Y=52
Step-by-step explanation:
Let X represent the first type of ticket sold at the concert
Let Y represent the second type of ticket sold at the concert-----equation 1
X + Y= 70 (Total number of tickets sold) ------equation 2
(X×10) + ( Y×12)=$804. ( Total money generated in the concert
Since,
X+Y= 70
X= 70-Y
Substitute (70-Y) for X in equation 2
(70-Y)×10 + Y×12=804
700-10Y+12Y= 804
Collect the like terms
700+2Y=804
2Y=804-700
2Y= 104
Divide both sides by the coefficient of Y which is 2
2Y/2= 104/2
Y=52
Substitute 52 for Y in equation 1
X+Y=70
X+ 52=70
collect the like terms
X= 70-52
X=18
Hence the first type of ticket sold is 18 tickets and the second type of ticket sold is 52 tickets.
Which inequality matches the graph
Answers
Answer:
D) x ≤ 3
Step-by-step explanation:
The inequality that matches the graph is x ≤ 3. This is because x is less than or equal to 3 as shown in the graph.
Jake is going to call one person from his contacts at random he has 30 total contacts 16 of those contacts are people he met at school what is the probability of calling a person from school?
Answers
Answer:
its 16/30 or 8/15
Step-by-step explanation:
if the total is 30 and 16 of them are in his school the probability of calling a person from school is 16/30 which is simplify to 8/15
Answer:
P of calling someone from school = [tex]\frac{8}{15}[/tex]
Step-by-step explanation:
The probability of calling someone from school is
[tex]\frac{16}{30}=[/tex]
[tex]\frac{8}{15}[/tex]
P of calling someone from school is [tex]\frac{8}{15}[/tex]
What is the value of X very easy
Answers
Answer:
x=36
Step-by-step explanation:
The angles in a triangle must add to 180 degrees.
Therefore,
x+65+79=180
Add 65 and 79
x+144=180
We want to solve for x. In order to do this, we have to get x by itself. 144 is being added to x (+144)The opposite of addition is subtraction, so subtract 144 from both sides(-144)The +144 and -144 will cancel out, and leave x by itself.
x+144-144=180-144
x=180-144
x=36
Let’s check our answer. Add all the angles together, and make sure they equal 180 degrees.
x+65+79
We know x is equal to 36, so we can substitute it in
36+65+79
180
The 3 angles add to 180, so we know that x=36
Answer ASAP! Will mark Brainliest
Which statement is true about the function f(x)= √x?
A) The domain of the graph is all real numbers.
B) The range of the graph is all real numbers.
C) The domain of the graph is all real numbers less than or equal to 0.
D) The range of the graph is all real numbers greater than or equal to 0.
Answers
Answer: The correct answer is D the range of the graph is all real numbers greater than or equal to 0.
Step-by-step explanation
Range [0,infinity] {y|y greater than or equal to 0}
Answer:
D
Step-by-step explanation:
Solve for z.
–2.9 + 4.2z = –14.73 − 12.74 + 0.3z
z =
Answers
Answer:
[tex] \boxed{z = -6.3} [/tex]
Step-by-step explanation:
[tex] = > - 2.9 + 4.2z = - 14.73 - 12.74 + 0.3z \\ \\ = > - 2.9 + 4.2z = - 27.47 + 0.3z \\ \\ = > 4.2z - 2.9 = 0.3z - 27.47 \\ \\ = > 4.2z - 0.3z - 2.9 = - 27.47 \\ \\ = > 3.9z = - 27.47 + 2.9 \\ \\ = > 3.9z = - 24.57 \\ \\ = > z = - \frac{24.57}{3.9} \\ \\ = > z = - 6.3[/tex]
32 people are in one class 75% are girls.how much is the % of boys
Answers
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girls + boys = 100%
If girls are 75%, then boys would be 25%
75% of 32 is 24
25% of 32 is 8
There are 24 girls and 8 boys
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Please help me in this question.
Find angle x°,y°,z°.
Answers
Answer:
x = 22°
y = 26°
z = 48°
Step-by-step explanation:
∠PQS and ∠QSR is a pair of alternate interior angles
plus PQ is parallel to SR
then
x = 22°
SPR is an isosceles triangle then m∠PRS = 66°
Therefore x + y = 180-(66+66) = 180-132 = 48
then y = 48 - x = 48-22 = 26
finally, z = x + y = 48
Answer:
x = 22
y = 26
z = 48
Step-by-step explanation:
ΔSPR is isosceles, meaning two angles are equal, as indicated.
one base angle is 66, meaning the other one is also 66.
alternate angles are equal ; angle Q = angle S = 22 = x
To find the other angle of the triangle below, add 22 and 66 and subtract from 180 to get 92.
vertically opposite angles are equal ; 92
88 88
92
the triangle on the upper right has 92, 22, and the missing angle which is 66.
the upper left triangle has 88, 66 and the missing which is 26 = y
the straight line above(PQ), now has 66, 66 and the missing one .add , then take away from 180 to get 48 = z
