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Dafna11 [192]
2 years ago
6

There are 12 crayons in a box. How many boxes will be needed for 8 children if each child gets 7 crayons?

Mathematics
1 answer:
nata0808 [166]2 years ago
8 0

Each child gets =7×8=56crayoms

  • One box contains 12 crayons

Total boxes

  • 56/12
  • 4.66

Round to next whole as we can't have depict

  • 5 boxes
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Julio and his friend ordered five pizzas they know that 1/3 of a pizza will serve one person how many servings are there? Please
Ket [755]
Okay, so if 1/3 of a pizza is a serving, you would have to know that 1 pizza contains 3 servings. 

Multiply 5*3 for your answer.

5*3= 15

That is 15 servings. 

I hope this helped you!

Brainliest answer would be appreciated!
5 0
3 years ago
How do you multiply a whole number with a mixed number
marta [7]
You would change the whole number to a fraction by putting it over 1 and make the mixed number an improper fraction by multiplying the whole number part of the mixed number by the denominator and then and the numerator
6 0
2 years ago
If the interest on investment is $44 when the interest rate is 5%. find the interest when the rate is 8.4%.
kolezko [41]
The interest at 8.4% is:
44\times\frac{8.4}{5}=73.92
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6 0
3 years ago
Consider the quadratic function f(x) = –2x2 + 4x – 2. Find the y-intercept and the equation of the axis of symmetry.
RoseWind [281]

Answer:

The y-intercept is -2

The equation of the axis of symmetry is x = 1 ⇒ 3rd answer

Step-by-step explanation:

* Lets revise the general form of the quadratic function

- The general form of the quadratic function is f(x) = ax² + bx + c,

 where a, b , c are constant

# a is the coefficient of x²

# b is the coefficient of x

# c is the y-intercept

- The meaning of y-intercept is the graph of the function intersects

 the y-axis at point (0 , c)

- The axis of symmetry of the function is a vertical line

  (parallel to the y-axis) and passing through the vertex of the curve

- We can find the vertex (h , k) of the curve from a and b, where

 h is the x-coordinate of the vertex and k is the y-coordinate of it

# h = -b/a and k = f(h)

- The equation of any vertical line is x = constant

- The axis of symmetry of the quadratic function passing through

  the vertex then its equation is x = h

* Now lets solve the problem

∵ f(x) = -2x² + 4x - 2

∴ a = -2 , b = 4 , c = -2

∵ The y-intercept is c

∴ The y-intercept is -2

∵ h = -b/2a

∴ h = -4/2(-2) = -4/-4 = 1

∴ The equation of the axis of symmetry is x = 1

4 0
3 years ago
The ratio of boys to girls at the movie is 4:7. If there are 21 girls l, how many boys are at the movie?
Gelneren [198K]
There are 12 boys 21/7=3 so 4(3)= 12 
You are welcome
7 0
3 years ago
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