What is the area of this polygon on a coordinate plane?
20 square units
9 square units
3 square units
14 square units
Answers
Answer:
14
Step-by-step explanation:
count the amount of squares inside the shape.
The area of this polygon is 14 units on a coordinate plane.
What is area of rectangle?Area of rectangle is defined as product of the length and width.
Length of large rectangle = 5 units
width of large rectangle = 4 units
Length of small rectangle = 3 units
width of small rectangle = 1 unit
Required area of polygon = large rectangle - 2 × small rectangles
Required area of polygon = 5×4 - 2×(3×1)
Required area of polygon = 20-6
Required area of polygon = 14 units
Hnece, the area of this polygon is 14 units on a coordinate plane.
Learn more about Area of rectangle
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Step-by-step explanation:
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The answer is B. If you do FOIL to the equations you would get the answer.
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37.5
Step-by-step explanation:
truth or false? a system of two linear inequalities has either no points or infinitely many points in its solution
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Answer:
True
Step-by-step explanation:
because a system of two linear inequalities has points
Write an equation
Eight times the sum of m and 7 is 21
Answers
Answer:
the equation would be 8(m+7)=21
your welcome ! <3
Y=4x-6 and passes through point 8,12
Answers
Answer:
Slope of required line if both lines are parallel: y=4x-20
Slope of required line if both lines are perpendicular: y=-1/4x+14
Step-by-step explanation:
We need to find equation of line while we are given another line having equation y=4x-6 and passes through point (8,12)
Note: Since it is not given if the required line is parallel or perpendicular to the given line. I will solve for both cases.
If Both lines are parallel the equation of new line will be:
We need to find slope and y-intercept to write equation of new line.
When lines are parallel there slopes are same
So, slope of given line y=4x-6 is 4 (Compare with general equation y=mx+b, m is slope so m=4)
Slope of new line is: m=4
Now finding y-intercept
Using slope m=4 and point (8,12) we can find y-intercept
[tex]y=mx+b\\12=4(8)+b\\12=32+b\\b=12-32\\b=-20[/tex]
y-intercept of new line is: b=-20
Equation of required line having slope m=4 and y-intercept b=-20 is
[tex]y=mx+b\\y=4x-20[/tex]
If Both lines are perpendicular the equation of new line will be:
We need to find slope and y-intercept to write equation of new line.
When lines are perpendicular there slopes are opposite of each other
So, slope of given line y=4x-6 is 4 (Compare with general equation y=mx+b, m is slope so m=4)
Slope of new line is: m=-1/4
Now finding y-intercept
Using slope m=-1/4 and point (8,12) we can find y-intercept
[tex]y=mx+b\\12=-\frac{1}{4} (8)+b\\12=-2+b\\b=12+2\\b=14[/tex]
y-intercept of new line is: b=14
Equation of required line having slope m=-1/4 and y-intercept b=14 is
[tex]y=mx+b\\y=-\frac{1}{4} x+14[/tex]
Solve for x
21x+6= ?
Can you help me
Answers
Answer:22+6
Step-by-step explanation:
21+6
22+6
The top three finishers in a bicycle race completed a 5-question survey about the race conditions. Which is the most likely cause of bias in the survey results? A. The survey was completed by the top finishers in the race. B. The survey included only 5 questions. C. The survey was completed after the race. D. The survey was given to people who competed in the race.
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Answer:
B is most likely the correct answer
Step-by-step explanation:
please hurry I really need help
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Step-by-step explanation:
I'm just gonna say that you have no photos question. So maybe put something down for people to help you with???
I will mark brainest if it right
1. -3x + 23 = 2x + 8
x=
Answers
Answer:
x = 3
Step-by-step explanation:
if its not it let me know!
Answer:
x = 3
Step-by-step explanation:
Subtract 23 from both sides of the equation
Simplify
Subtract 2x from both sides of the equation
Simplify
Divide both sides of the equation by the same term
Simplify
40 points
In AIJK, the measure of ZK=90°, the measure of ZJ=76°, and JK = 3.6 feet. Find the
length of IJ to the nearest tenth of a foot.
Answers
Answer:
14.9 ftStep-by-step explanation:
JK/IJ = cos 76°3.6/x = 0.2419x = 3.6/0.2419x = 14.9 ftConcepts:
CosProportions Algebra 1Answer: 14.9 ft
How I got it:
[tex]\frac{JK}{IJ}[/tex] = cos 76 degrees
[tex]\frac{3.6}{y}[/tex] = 0.2419
x = [tex]\frac{3.6}{0.2419}[/tex]
x = 14.9 ft
A cylinderical container of height 28cm and diameter 18cm is filled with water. The water is then poured into another container with a rectangular base 27cm and width 11cm. Calculate the depth of the water in the container ( take π=22/7)
Answers
Answer:
h = 24 cm
Step-by-step explanation:
volume of water in the cylinder = volume of water in the rectangular base container
But ,
volume of cylinder = [tex]\pi[/tex][tex]r^{2}[/tex]h
where: is the radius and h is the height.
volume of cuboid = length x width x height
= l x w x h
So that;
[tex]\pi[/tex][tex]r^{2}[/tex]h = l x w x h
But, r = [tex]\frac{diameter}{2}[/tex] = [tex]\frac{18}{2}[/tex] = 9 cm, height of cylinder = 28 cm, length = 27 cm, width = 11 cm, [tex]\pi[/tex] = [tex]\frac{22}{7}[/tex].
Thus,
[tex]\frac{22}{7}[/tex] x [tex](9)^{2}[/tex] x 28 = 27 x 11 x h
[tex]\frac{22}{7}[/tex] x 81 x 28 = 27 x 11 x h
7128 = 297h
h = [tex]\frac{7128}{297}[/tex]
= 24
h = 24 cm
The depth of the water in the container is 24 cm.
PLEASE HELP ME I WILL GIVE 20 POINTS
Answers
The windchill is 25 below zero. It rises 6 degrees per hour for 6 hours. What would the new windchill be?
Answers
Answer:
11
Step-by-step explanation:
6*6=36
-25+36=11
Please help ASAP!!!
A sweatshirt at the store is being offered at a 20% discount.if the original price of the sweatshirt is x,which answer choice shows an expression that represents the discounted price of the sweatshirt.
The choices are:
1.20x
0.75x
X+0.20x
X-0.20x
Answers
Answer:
D or the last one
Step-by-step explanation:
Answer:
It might be x+0.20x but I'm not too sure. I am learning about this right now
3/4 x 10 Multiply. Write in simplest form.
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Answer The answer is A and B
Step-by-step explanation:
Answer:
y interecept is -2
x intercept is 2
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What is the y=Mx+b of this??
Answers
Answer:
y=-1/4x-6
Step-by-step explanation:
you fall 1 for every 4, meaning the rise over run is 1/4 and since its falling, it becomes -1/4.
next, b is equal to -6 because that is your y-intercept (where your line meet the y axis).
so, if you put it all together it becomes y= -1/4x-6
Lindsey was solving a problem, her work is shown below:
3n−5=−8(6+5n)
Step 1: 3n−5=−48−40n
Step 2: 3n=−53−40n
Step 3: 43n=−53
Step 4: n=−1.233
On which step did Lindsey make a mistake?
Answers
Answer:
step 2 has a mistake
Step-by-step explanation:
-48+5 is -43 not -53
xoxo,your highness...I WILL MARK BRAINLIEST
Divide.
56÷−23
−54
−59
59
54
Answers
Answer:
-59
Step-by-step explanation:
took the test
Answer:
-5/4
Step-by-step explanation:
i took the test ;)
please help brainliest if correct only answer if you know
Which statements are true about the graph of the function f(x) = x2 – 8x + 5? Select three options.
A: The function in vertex form is f(x) = (x – 4)2 – 11.
B: The vertex of the function is (–8, 5).
C: The axis of symmetry is x = 5.
D: The y-intercept of the function is (0, 5).
E: The function crosses the x-axis twice.
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Answer:
Ar, ar, ar, ar, ar
Step-by-step explanation:
A for Asylum (k_ll me pls)
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E for Eleven years of my life wasted :')
Answer:
1 4 5
Step-by-step explanation:
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Find the perimeter of the figure to the nearest hundredth.
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Answer:
use a calulator hint muliply everything
Step-by-step explanation:
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Answer:
Hello im doing the same right now and i need help
Step-by-step explanation:
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Chris is cutting a roll of cookie dough into pieces that are 1/2 inches thick. if the roll is 10 1/2 inches long, how many pieces can he make?
Answers
Answer:
5.25
Step-by-step explanation:
Answer:
Step-by-step explanation:
1/2 x 21 = 10.5
21?
A person is standing 40 ft from a light post and can see the top of the light at a 35∘ angle of elevation. The person’s eye level is 5
feet from the ground. What is the height of the light post to the nearest foot.
The height of the light post is____ feet?
Answers
Answer:
Height of light post = 33 feet
Step-by-step explanation:
We will use the trigonometric ratios to find the height of light post
The given scenario forms a right angled triangle with the right angle with the light post.
The distance between light post and the person is the base.
So, base = b = 40 feet
The height of light post will be the perpendicular
So,
Perpendicular = p = x
Angle = 35°
So,
tan (angle) = p/b
tan 35° = p/40
0.7002 =p/40
0.7002*40 = p
p = 28 feet
Since the persons eye level is 5 feet from the ground, 5 feet will be added to perpendicular for actual height of light post.
Height of light post = 28+5 = 33 feet ..
Where would the following be placed on the number line? Please help !
Answers
Answer:
1st is one is around 4
2nd is 3
3rd is 4.5
Step-by-step explanation:
Find the equation of the line shown.
Answers
Answer:
y = 2x
Step-by-step explanation:
By inspection, we can see the line crossing through the points: (0,0) , (1,2)
[Use the slope formula to find m]
m = (Y2 - Y1) / (X2 - X1)
m = (2 - 0) / (1 - 0)
m = 2/1 = 2
[Use the point slope formula to find equation]
(y-y0) = m(x-x0)
y - 0 = 2(x - 0)
y = 2x
It should be the below, because when you take rise over run, you get 2 as a slope, there is no y-intercept because if you substitute in a value of x, x does not have and “remainders”.
Y = 2x
Mel spent $47.97 on three cds. Two of the cds were the same price, and the third cd cost $5.00 more than one of the other two cds. The total cost can be represented by the equation 2c + (c+5) = 43.97, where c is the cost of one lower-priced cd. What was the cost of the higher priced cd?
Answers
Given :
The total cost can be represented by the equation 2c + (c+5) = 43.97, where c is the cost of one lower-priced cd.
To Find :
The cost of the higher priced cd.
Solution :
Solving given equation :
2c + c + 5 = 43.97
3c + 5 = 43.97
3c = 43.97 - 5
3c = 38.97
c = $12.99
Therefore, cost of higher priced cd is $( 12.99 + 5 ) = $17.99 .
Hence, this is the required solution.
I really need help pls I don’t understand it would be great if anyone could pls help me I’ve been on this for like 5 mins
Answers
Answer:
6 is the answer
Step-by-step explanation:
probably won't help but stay safe :)
