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3 years ago

Please help and thank you

Mathematics

1 answer:

stellarik [79]3 years ago

8 0

Answer:

C.7

Step-by-step explanation:

112 divided by 16= 7

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Gracie is building a square sandbox with sides 2 feet long. She wants to put sand 1.55 feet deep in the box. How much sand shoul

ASHA 777 [7]

2*2*1.55=6.2 cubic feet of sand

6 0

3 years ago

Read 2 more answers

HELP! Zoom in <br> Describing functions with equations tables and graphs

Dvinal [7]

378. Comparing the each batch, there is a difference of 18 for each batch. So 7*18= 126, then add that to 252; you'll get 378.

(ex 198-180=18; 216-198=18; etc)

hope that helps

3 0

3 years ago

A football is kicked toward an end zone with an initial vertical velocity of 30 ft/s. The function h(t) = -16+ 30t models the he

Ulleksa [173]

Answer:

A. The football does not reach a height of 15ft

Step-by-step explanation:

Given

$h(t) = -16t^2 + 30t$

Required

Determine which of the options is true

The option illustrates the height reached by the ball.

To solve this, we make use of maximum of a function

For a function f(x)

Such that:

$f(x) = ax^2 + bx + c$ :

$f(\frac{-b}{2a}) = maximum/minimum$

i.e we first solve for $\frac{-b}{2a}$

Then substitute $\frac{-b}{2a}$ for x in $f(x) = ax^2 + bx + c$

In our case:

First we need to solve $\frac{-b}{2a}$

Then substitute $\frac{-b}{2a}$ for t in $h(t) = -16t^2 + 30t$

By comparison:

$b = 30$

$c = -16$

$\frac{-b}{2a} = \frac{-30}{2 * -16}$

$\frac{-b}{2a} = \frac{-30}{-32}$

$\frac{-b}{2a} = \frac{30}{32}$

$\frac{-b}{2a} = \frac{15}{16}$

Substitute $\frac{15}{16}$ for t in $h(t) = -16t^2 + 30t$

$h(\frac{15}{16}) = -16(\frac{15}{16})^2 + 30(\frac{15}{16})$

$h(\frac{15}{16}) = -16(\frac{225}{256}) + \frac{450}{16}$

$h(\frac{15}{16}) = -(\frac{225}{16}) + \frac{450}{16}$

$h(\frac{15}{16}) = \frac{-225 + 450}{16}$

$h(\frac{15}{16}) = \frac{225}{16}$

$h(\frac{15}{16}) = 14.0625$

This implies that the maximum height reached is 14.0625ft.

So, the option that answers the question is A because $14.0625 < 15$

8 0

3 years ago

What is -1/3 plus 4/5

Doss [256]

-1/3 + 4/5

-5/15 + 12/15

7/15

Hope this helped!

-TTL

8 0

3 years ago

Read 2 more answers

A grocery store manager must decide how to best present a limited supply of milk and cookies to its customers. Milk can be sold

miss Akunina [59]

Answer:

Option A.

Step-by-step explanation:

Let M be the milk per gallon.

C be the cookies per dozen.

B be the bundle (one gallon of milk and a dozen cookies ).

Milk can be sold by itself for a profit of $1.50 per gallon. Cookies can likewise be sold at a profit of $2.50 per dozen and bundle is sold for a profit of $3.00 per bundle.

$Profit= 1.5M + 2.5C + 3B$

We need to maximize the profits. So, our objective function is

Therefore, the correct option is A.

7 0

4 years ago