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olga nikolaevna [1]

4 years ago

15

7-41= (-15)+33= 62-84= (-26)-14=

1 answer:

Gala2k [10]4 years ago

8 0

Answer:

-34

18

-22

-40

Explanation:

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I solved some of it but now I don't know if you continue it correctly ... To be performed: (lesson: Raducali of order "n")

nikitadnepr [17]

Answer:

-9

Step-by-step explanation:

$( \sqrt[4]{7} + 2)( \sqrt[4]{7} - 2)( \sqrt{7} + 4) \\ = ( { \sqrt[4]{7} }^{2} - {{2} }^{2} )( \sqrt{7} + 4) [because (a+b)(a-b) = a² - b²]\\ = ( \sqrt{7} - 4)( \sqrt{7} + 4) \\ = { \sqrt{7} }^{2} - {4}^{2}[because (a+b)(a-b) = a² - b²] \\ = 7 - 16 \\ = - 9$

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3 years ago

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Sarah is renting a car for her weekend trip to the mountains. The total cost of the rental, f(x), as it relates to the number

Alla [95]

The answer is f(x)=1/2x+25

4 0

3 years ago

these girls are selling cases of popcorn to earn money for a bandtrip.In week 1emily sold 2 3/4 cases,brenda sold 4 1/4 cases an

marishachu [46]

Add up the whole numbers = 9
1/4 + 3/4 = 1
total 10
leaving 1/2 left. add to 10 = 10 1/2?

5 0

4 years ago

What's the equation for y?

-Dominant- [34]

The aswer is easy it is d

7 0

3 years ago

If the angles of a pentagon are x 2x 3x 4x 5x .Find the value of X

salantis [7]

Mark Brainliest if correct:

x = 36

Step-by-step explanation:

x + 2x + 3x + 4x + 5x = 540 (Sum of interior angles in pentagon)

15x = 540

x = 36

4 0

3 years ago