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2 years ago

Can someone help me with this assignment ?

Mathematics

1 answer:

bearhunter [10]2 years ago

5 0

Answer:

x = 3

(the last option)

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3 years ago

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2 years ago

51 times the difference between a number and 21 is equal to the number plus 58.

Lerok [7]

51(x - 21) = x + 58

Distributive property

51x - 1071 = x + 58

Subtract x from both sides

50x - 1071 = 58

Add 1071 to both sides

50x = 1129

Divide both sides by 50

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2 years ago

What is the volume of the sphere ? A.85.3 B.67 C.268.1 D.804.2

vesna_86 [32]

Answer: C

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3 0

3 years ago

Read 2 more answers

Anyone please???????

leva [86]

Answer:

$\boxed{\sf B)\: x=\sqrt{17}}$

Step-by-step explanation:

Use the Pythagorean Theorem

The equation for the Pythagorean Theorem is $\tt a^2+b^2=c^2$

* a and b are the lengths of the legs, and c is the hypotenuse.*

(To know which side is the hypotenuse look at longest side which is across the right angle).

a= x, b=8, c=9

$\sf a^2+b^2=c^2$

Let's Plug in the side lengths:

$\sf x^2+8^2=9^2$

Evaluate 8^2 and 9^2:

$\sf x^2+64=81$

Subtract 64 from both sides:

$\sf x^2+64-64=81-64$

$\sf x^2=17$

Take the square root of both sides:

$\sf x=\sqrt{17}$

___________________________

5 0

2 years ago

Read 2 more answers