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4 years ago

Which expression is equal to the expression below? (7•2)7

Mathematics

2 answers:

Charra [1.4K]4 years ago

8 0

Answer:

C. 7⁷ × 2⁷

Step-by-step explanation:

The exponent is outside of the brackets, so we distribute the exponent to all the terms inside the brackets.

(7 × 2)⁷

7⁷ × 2⁷

Zolol [24]4 years ago

6 0

Answer:

c. $7^7$ · $2^7$

Step-by-step explanation:

please mark me brainliest!

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Strike441 [17]

Answer:

Step-by-step explanation:

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3 years ago

Haley is responsible for buying a week's supply of food and medication for the pigs and cows at a local co-op. The food and medi

vesna_86 [32]

Answer:

c- 75

p- 25

Step-by-step explanation:

so haley has 2450 in total and the pig cost 25 so if the cows are 3 times more than the pigs . so the cows stuff cost 75 each so now multiply 75 x 30 = 2250 and the pigs cost 25 each multiply 25 x 8 = 200 then add 2250 + 200 = 2450 which means haley has the exact money to pay the stuff. haley spends 75 on each cow.

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3 years ago

What are the solutions of the equation x^2-1=15

MrRa [10]

Answer: x = +4 or -4

Step-by-step explanation:

x² - 1 = 15

x² = 15 + 1

x² = 16

Therefore, to solve for x we take the square root of both side

√x² = +/-√16

x² = +/-4

so, x = +4 or -4

7 0

3 years ago

The price of an item has been reduced by %95. The original price was $45

Marysya12 [62]

Answer:

2.25

step-by-step explanation:

multiplying .95 times 45 and subtracting it by 45

6 0

3 years ago

Esther cut a square paper vertically to make two rectangle pieces. Each rectangle had a perimeter of 63 inches.

Studentka2010 [4]

Answer:

Side of the square paper = 21 inches

Step-by-step explanation:

Let the square paper is having measure of each side = a inches

Esther cut this square piece into two pieces.

Let the other side of one rectangle piece = x inches

Perimeter of this piece = 2(a + x) inches

Similarly dimensions of the other rectangular piece will be = a inches × (a - x) inches

Perimeter of this piece = 2[a + (a - x)]

Since both the rectangular pieces have the same perimeter = 63

So, 2(a + x) = 2[a + (a - x)] = 63

2(a + x) = 2(2x - x)

a + x = 2a - x

2a - a = 2x

a = 2x

x = $\frac{a}{2}$

Therefore, Perimeter = 2(a + x) = 2(a + $\frac{a}{2}$ ) = 63

$2\times \frac{3a}{2}$ = 63

3a = 63

a = 21

Therefore, measure of the sides of the square is 21 inches.

5 0

3 years ago