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3 years ago

13

3+(8+7) = (7+8)+3

1 answer:

Elis [28]3 years ago

6 0

Associative Propety

(a + b) + c = a + (b + c)

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Write the phrase as an expression. the difference of 12 and a number x

Brums [2.3K]

Answer:

12-x=y

Step-by-step explanation:

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3 years ago

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What needs to be done to 21/10 to complete the problem? If you can, try to fix it yourself.<br><br>

Olin [163]

Answer:

This is an improper fraction so we need to make it a mix fraction.

Step-by-step explanation:

21/10 = 10/10+10/10+1/10

10/10=1

So your final answer will be $2\frac{1}{10}$

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What is equivalent to 4.321 × 10−4 ?<br><br> What is equivalent to 4.321 × 10−4 ?

Arlecino [84]

Please write that as 4.321 × 10^(−4). The " ^ " indicates exponentiation and the parentheses help make clear that your exponent here is a negative one.

Rewrite 4.321 × 10^(−4) by moving the decimal point 4 places to the left:

0.0004321

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zimovet [89]

x is 68 as the angles O and x must total 180°

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What is the y-intercept in the equation LaTeX: y=-3x+7y = − 3 x + 7?

poizon [28]

B answer is letter B

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