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a_sh-v [17]
3 years ago
8

Someone help me please!!!

Mathematics
1 answer:
stiv31 [10]3 years ago
8 0

Answer:

D

Step-by-step explanation:

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Grandma has just finished baking a large rectangular pan of brownies. She is planning to make rectangular pieces of equal size a
Nikitich [7]

Answer: 60

Step-by-step explanation:

Let the side lengths of the rectangular pan be m and n. It follows that (m-2)  (n-2)= mn/2

So, since haf of the brownie pieces are in the interior. This gives 2 (m-2) (n-2) =mn

mn- 2m - 2n- 4 = 0

Then Adding 8 to both sides and applying, we obtain (m-2) (n-2) =8

Since now, m and n are both positive, we obtain (m,n) = (5,12), (6,8) (up to ordering). By inspection, 5. 12 = 60

which maximizes the number of brownies in total which is the greatest number.

Hope that helped! =)

7 0
3 years ago
What is the inverse function for h(x) = <img src="https://tex.z-dn.net/?f=%5Csqrt%7Bx%2B7%7D%20-1" id="TexFormula1" title="\sqrt
Blizzard [7]

Step-by-step explanation:

y =  \sqrt{x + 7}  - 1

Replace x and y.

x =  \sqrt{y + 7}  - 1

Solve for y.

x + 1 =  \sqrt{y + 7}

Square both sides.

(x + 1) {}^{2}  = y + 7

(x + 1) {}^{2}  - 7 = y

This is the inverse function or you can also say

{x}^{2}  + 2x - 6 = y

5 0
3 years ago
Leo can run a mile in 7.45 minutes. At that rate, how long would it take for him to run a marathon (we let a marathon equal 26.2
Kryger [21]

multi subs AND THIS AND THAT AND THIS AND THAT

4 0
3 years ago
Read 2 more answers
The ages of cars in the staff parking lot of a suburban college are uniformly distributed from 0 to 8 years. a) What is the mean
Novay_Z [31]

Answer:

Mean = 4

Step-by-step explanation:

Given

Range = 0 to 8 years

Distribution: Uniform Distribution

Required

Determine the mean

The mean of a uniform distribution is calculated as thus:

Mean = \frac{a + b}{2}

Where a and b are the range of the distribution

In this case:

b = 8; a = 0

So, we have:

Mean = \frac{0 + 8}{2}

Mean = \frac{8}{2}

Mean = 4

8 0
3 years ago
I need more help please!!!!!!!!
inysia [295]

Answer:

1. t<45° 2. d≥200

Step-by-step explanation:

t is less than 45°

it said no less than meaning you can spend 200 or more to get the discount so that means d≥200

6 0
3 years ago
Read 2 more answers
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