Answers
Explanation:
Related Questions
at west high school, 2/5 of the students play a sport. of the students who play a sport, 1/4 play football. what fraction of the students at west high school play football?
A) 1/10
B) 1/3
C) 1/5
D) 2/3
Answers
Answer:
A, 1/10
Step-by-step explanation:
multiply 2/5 by 1/4 to get 2/20 which simplifies to 1/10
A movie theater sells adult tickets for $4 and children tickets for $2. At a certain movie, there were 90 people in attendance and a total of $260 in sales. How many adults and children were at the movie?
Answers
What is B on the number line? I don’t understand Pls help
Answers
What is the value of x?
x+13=9
Enter your answer in the box in simplest form
plz i will give 15
Answers
Answer:
x = -4
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDASEquality PropertiesStep-by-step explanation:
Step 1: Define equation
x + 13 = 9
Step 2: Solve for x
Subtract 13 on both sides: x = -4Step 3: Check
Plug in x into the original equation to verify it's a solution.
Substitute in x: -4 + 13 = 9Add: 9 = 9Here we see that 9 does indeed equal 9.
∴ x = -4 is a solution of the equation.
Answer:
x=-4
Step-by-step explanation:
So when solving a one-step algebraic equation you need to remember what you do to one side you have to do to the other side. In the problem x + 13 = 9 you need to subtract 13 from both sides to isolate x. So your problem should look like x = 9 - 13. Now all you have to do is solve 9 - 13 which is -4. So x = -4.
I hope this helped.
Henry wants to join a book of the month club. The first club costs $30 to join and $10 per
book. The second club costs $15 per book and has no fee to join. How many books
would need to be purchased from each club for the clubs to cost to same?
Answers
Answer:
25
Step-by-step explanation:
What percent of 225 is 99
Answers
Answer:
Step-by-step explanation:
43
Factorise fully 2x^2-8x
Answers
Answer:
2x(x-4)
Step-by-step explanation:
2[tex]x^{2}[/tex]-8x= 2([tex]x^{2}[/tex]-4x)= 2x(x-4)
Answer:
[tex]\mathrm{Factor}\:2x^2-8x:\:2x\left(x-4\right)[/tex]
Step-by-step explanation:
Given the expression
[tex]2x^2-8x[/tex]
[tex]\mathrm{Apply\:exponent\:rule}:\quad \:a^{b+c}=a^ba^c[/tex]
[tex]x^2=xx[/tex]
so the expression becomes
[tex]2x^2-8x=2xx-8x[/tex]
[tex]=2xx-2\cdot \:4x[/tex]
[tex]=2x\left(x-4\right)[/tex] ∵ [tex]\mathrm{Factor\:out\:common\:term\:}2x[/tex]
Therefore,
[tex]\mathrm{Factor}\:2x^2-8x:\:2x\left(x-4\right)[/tex]
Water flows through a pipe at a rate of 8600 cubic meters per hour. Express this rate of flow in quarts per second. Round your answer to the nearest whole number.
Answers
Answer:
R = 2524 quarts/s
Step-by-step explanation:
Water flows through a pipe at a rate of 8600 cubic meters per hour.
We know that,
1 m³ = 1056.69 quarts
1 hour = 3600 s
Rate of flow of water = 8600 cubic meters per hour
[tex]R=8600\ \dfrac{m^3}{h}\\\\=8600\times \dfrac{1056.69\ \text{quarts}}{3600\ s}\\\\=2524.311\ \text{quarts/s}[/tex]
or
R = 2524 quarts/s
So, the rate of flow of water is 2524 quarts/s.
Solve for X please :)
Answers
Answer:
x = 10
Step-by-step explanation:
Assuming the 2 figures are similar, then the ratios of corresponding sides are equal, that is
[tex]\frac{5}{x}[/tex] = [tex]\frac{4}{8}[/tex] ( cross- multiply )
4x = 40 ( divide both sides by 4 )
x = 10
Identify the slope of the line for the equation y= 1/6x + 1/4
Answers
Answer:
1/6x or just 1/6
Step-by-step explanation:
the equation is y = mx + b and 1/6x is in place m which is the slope
stream blueberry eyes by MAX AND SUGA periodTt
The slope is also known as the gradient and the rate of change of the line. The slope of the line for the equation y= 1/6x + 1/4 is 1/6
Slope of a lineThe slope is also known as the gradient and the rate of change of the line, The equation of aline in slope intercept form is expressed as:
y = mx + b
where
m is the slope
b is the y-intercept
Given the equation y = 1/6x + 1/4
Compare
mx = 1/6x
m = 1/6
Hence the slope of the line for the equation y= 1/6x + 1/4 is 1/6
Learn more on slope here: https://brainly.com/question/3493733
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What percent of 400 is 77
7 is % of 400
Answers
—. = 0.0175= 1.75%
400.
7/400* 100/100
= (7*100/400) *1/100
= 1.75/100
7 is 1,75 % of 400
If you want to use a calculator simply enter 7 divide 400 *100.
The shortest distance from a line to the center of a circle of a radius 4 units is 12 units. The circle is reflected across the line. What is the radius of the resulting image?
Answers
Answer: The radius will still be 4 units.
Step-by-step explanation:
Since it is a rigid transformation, nothing of the shape will change excepts it location meaning that the radius of the shape will still stay the same.
The radius is 4 and after a reflection , the radius will still be 4.
Which equation is equivalent to
1
4
+x=-- ? Select all that apply.
4
6
x=
4
6
=
5
c-
11
2
x
Alw
Answers
Answer:
is that 14 or 1/4?
Step-by-step explanation:
the ratio of dogs to cats at the pet shop is 1 : 2 there are 15 dogs how many cats are there
Answers
Answer:
30
Step-by-step explanation:
1:2 = 1 (x2)
15 x 2
30
Kelly's Cafe has regular coffee and decaffeinated coffee. This morning, the cafe served 20 coffees in all, 30% of which were regular. How many regular coffees did the cafe serve?
Answers
Answer:
the cafe served 6 regular coffees
Step-by-step explanation:
to get your answer you can multiply the percentage times the amount served in total
Total regular coffees served = 6.
What is percentage?A percentage is a number or ratio that can be expressed as a fraction of 100. If we have to calculate percent of a number, divide the number by the whole and multiply by 100. Hence, the percentage means, a part per hundred. The word per cent means per 100. It is represented by the symbol “%”.
Given,
Total coffees served = 20
No. of regular coffees = 30% of 20
= 30/100 × 20
No. of regular coffees = 6
Hence, Kelly's café served 6 regular coffees.
Learn more about percentage here:
https://brainly.com/question/29306119
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The levine family gas 10 gallons of gas in the car. The car uses 1 5/8 of a gallon each hour. How long can they drive on 10 gallons of gas?.
Answers
Answer:
6 hours
Step-by-step explanation:
6 * 1 5/8
6* 13/8=9.75
Answer:
6 hours
Step-by-step explanation:
You are given that cos(A)=15/17, with A in Quadrant IV, and cos(B)=4/5, with B in Quadrant IV. Find cos(A−B). Give your answer as a fraction.
Please help i need this asap.
Answers
Answer:
4/5
Step-by-step explanation:
There are four quadrants in a coordinate geometry.
The value of cos(A - B) is 84/85
The given parameters are:
[tex]\mathbf{cos(A) = \frac{15}{17}}[/tex]
[tex]\mathbf{cos(B) = \frac{4}{5}}[/tex]
Using trigonometry ratio, we have:
[tex]\mathbf{sin^2(A) + cos^2(A)= 1}[/tex]
Substitute [tex]\mathbf{cos(A) = \frac{15}{17}}[/tex]
[tex]\mathbf{sin^2(A) + (\frac {15}{17})^2 =1}[/tex]
Expand
[tex]\mathbf{sin^2(A) + \frac{225}{289} =1}[/tex]
Collect like terms
[tex]\mathbf{sin^2(A) =1 - \frac{225}{289}}[/tex]
Evaluate fraction
[tex]\mathbf{sin^2(A) =\frac{64}{289}}[/tex]
Take square roots of both sides
[tex]\mathbf{sin(A) =\pm\frac{8}{17}}[/tex]
The angle is in the fourth quadrant.
So, we have:
[tex]\mathbf{sin(A) =-\frac{8}{17}}[/tex]
Also,
Substitute [tex]\mathbf{cos(B) = \frac{4}{5}}[/tex] in [tex]\mathbf{sin^2(B) + cos^2(B)= 1}[/tex]
[tex]\mathbf{sin^2(B) + (\frac 45)^2= 1}[/tex]
[tex]\mathbf{sin^2(B) + \frac{16}{25}= 1}[/tex]
Collect like terms
[tex]\mathbf{sin^2(B) = 1 - \frac{16}{25}}[/tex]
Simplify fraction
[tex]\mathbf{sin^2(B) = \frac{9}{25}}[/tex]
Take square roots
[tex]\mathbf{sin(B) = \pm \frac{3}{5}}[/tex]
The angle is also in fourth quadrant
So, we have:
[tex]\mathbf{sin(B) = - \frac{3}{5}}[/tex]
To calculate cos(A - B), we make use of:
[tex]\mathbf{cos(A - B) = cos(A)cos(B) + sin(A)sin(B)}[/tex]
So, we have:
[tex]\mathbf{cos(A - B) = \frac{15}{17} \times \frac{4}{5} + \frac{-8}{17} \times \frac{-3}{5}}[/tex]
Evaluate
[tex]\mathbf{cos(A - B) = \frac{60}{85} + \frac{24}{85}}[/tex]
Take LCM
[tex]\mathbf{cos(A - B) = \frac{60+24}{85}}[/tex]
[tex]\mathbf{cos(A - B) = \frac{84}{85}}[/tex]
Hence, the value of cos(A - B) is 84/85
Read more about quadrants at:
https://brainly.com/question/7196054
which set dose - 4/9 belong A integers B whole numbers C natural numbers D rational numbers
Answers
Answer:
-4/9 is a rational number
Step-by-step explanation:
Rational numbers are the numbers you can make by dividing one integer by another, so in other words a fraction.
Answer
4/9 belongs to rational numbers (D).
Explanation
(Lol moderator deleted everyone's answers so I'm gonna answer).
First I'll give you a definition of each choice.
Integers: Integers don't include decimals or fractions. Integers are positive and negative numbers. So basically it's this; (..., -3, -2, -1, 0, 1, 2, 3, ...). The '...' means numbers from infinity to the next number. I hope this makes sense Imao.
Whole numbers: whole numbers are integers, except they don't include negative numbers. Whole numbers include 0 (zero)... (0, 1, 2, 3, ...)
Natural numbers: natural numbers are whole numbers but they don't include 0 (zero)... (1, 2, 3, ...)
Rational numbers: rational numbers are numbers that can be expressed as a fraction. This includes repeating decimals such as 0.333 repeating. Rational numbers also include integers, because if you put the number over one, that is a fraction. Rational numbers are basically every number except for the radicals of some numbers (such as the square root of 3) and pi.
So now let's just see which one 4/9 is.
Well, 4/9 is not an integer, whole number, or natural number because it is a fraction.
But 4/9 can be expressed as a fraction (well, it already is one) meaning it is a rational number.
ten granola bars and twelve bottles of water cost $23. Five granola bars and four bottles of water cost $10. how much do one granola bar and one bottle of water cost
Answers
Answer:
$1.95
Step-by-step explanation:
10x+12y=23
5x+4y=10
10x+8y=20
4y=3
y=3/4
x=7/5
0.75+1.2=$1.95
Hope this helps :D
SERIOUS NEED OF HELP!!!! *giving brainliest*
70 concert tickets were sold for $550. Each adult ticket cost $9 and each children’s ticket cost $5. How many adults tickets were sold? (Write only the number for the answer.)
Answers
Answer:
Total tickets = 70
Total cost = $550
Adult's ticket = $9
Child's ticket = $5
Difference = 9 - 5 = $4
Assume all 70 are child's tickets
5 x 70 = 350
But the total cost was 550
550 - 350 = $200
The $200 must have come from Adult's tickets, which has a difference of $4.
200 ÷ 4 = 50
So there are 50 adult's tickets.
70 - 50 = 20
And there are 20 child's tickets.
i will give Brainliest
can you please put the answers by the questions?
thx
(i you see 69 for points skskskskskks)
Answers
Answer:
idkkk im trying to figure it out as quick as i cannn
Step-by-step explanation:
helpp idk what the heck im supposed to do so if anyone can help thank you <3 :)
Answers
Hope this helps you!
Solve the Inequality for x
4x − 5 ≥ 7
Move all terms not containing x to the right side of the inequality.
4x ≥ 12
Divide each term by 4 and simplify.
x ≥ 3
The result can be shown in multiple forms.
Inequality Form:
x ≥ 3
Interval Notation:
[3,∞)
Lots of love for you darling!~ <3
You graph it here
Answer:
Step-by-step explanation:
Alright, so this is basically just another equation, but then you see the greater than or equal to sign. How do I solve this? You may be asking. Well, treat it like an equation and worry about the sign later.
4x - 5 [tex]\geq[/tex] 7
Solve for x.
Add 5 to each side, then divide by 4 to each side.
4x [tex]\geq[/tex] 12
x [tex]\geq[/tex] 3 <----This is the answer.
Now for the graph. Look at the picture below:
That's what the graph should look like. Since it has a greater than or equal to sign, the line will be solid.
The graph is basically saying that anything that is greater than 3 (including 3) is counted, which is why that entire right side of 3 is shaded in.
Also, the way you should technically graph it is on a number line. So make a number line.
-2 -1 0 1 2 3 4 5 6 7 8 9 10
<-----|-----|-----|-----|-----|-----€-----|-----|-----|-----|-----|-----|-----|----->
(Pretend € is the filled in dot).
So, the above number line is what it should look like when graphed. The € circle is filled in because we are including the 3.
#teamtrees #WAP (Water And Plant)
4+4(4-9x9)
What is the answer to this question?
Answers
Answer:
=-616
Step-by-step explanation:
8(4-9x9)
bidmas
8(4-81)
8(-77)
Answer:
-616 is the answer for the question
If you run 100 meters in 10 seconds, what is your average speed
Answers
Answer:
Yeah it's 10
Step-by-step explanation:
100/10=10
any nepali here...............who play freefire
Answers
Answer:
I am nepali but i donot play freefire
hi um so ya wow me being serious on this site...thats new can u do my sisters homework so she doesnt bug me thx
14 points & should be pretty simple
**provide steps**
Answers
Which integers represent S and T on the number line?
Answers
Answer: Last one
Step-by-step explanation:
Answer:
D
Mark me brainliest pls
Step-by-step explanation:
What is the discriminant
of the equation
3x2-7x+6=0
Help guys :(
Answers
so, (-7)^2 -4(3)(6) simplifies to 49-72 which equals -23
a 10ounce containerof milk contains 200 calorieshow many calories does each ounce of milk contain.
Answers
Answer:
Each ounce contains 20 calories.
Step-by-step explanation:
200/10 = 20/1
20/1 simplified is 20.
Answer:
20 calories per ounce
Step-by-step explanation:
if 200 calories is in 10 ounces of milk, then you can divide 200 by 10; 200 ÷10=20 calories per ounce
The scale on a map reads 1 cm = 250 km. How far is the actual distance if the map distance measures 3.8 cm?
Answers
Answer:
950 km
Step-by-step explanation:
1 cm = 250 km
3.8 * 250 = 950
Answer:
950 km
Step-by-step explanation:
[tex]\frac{1}{250} = \frac{3.8}{x}[/tex]
(cross multiply)
250(3.8)= 950
(divide both sides by 1)
950/1=950
