2 years ago

Write x^5 • x^7 as a single exponential expression

1 answer:

4 0

Answer: x^12
Explanation: When the base (x) is the same and they are being multiplied the exponents are added. This is called/because of “The Product Rule for Exponents”.

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simplify 5ab+9a-ab-7a and justify each step as associative , distributive, commutative, or additive property.

Vladimir [108]

Answer:

5ab-ab+9a-7a

ab(5-1)+a(9-7)

4ab+2a

a(4b+2)

7 0

3 years ago

The math says expand 5(2-7x) what is the answer

kow [346]

Step-by-step explanation:

in my opinion

5(2- 7x)

5×2 - 5×7x

= 10-35x

8 0

3 years ago

Determine the domain and range of each function<br><br> f(x)=-|x|-2

Alinara [238K]

Find the domain by finding where the function is defined. The range is the set of values that correspond with the domain.

Domain: (- infinity, infinity)
Range: (- infinity, -2)

4 0

3 years ago

If EH = 76, calculate DI.

Montano1993 [528]

Answer:

DI = 38

Step-by-step explanation:

Δ EHC and Δ DIC are similar and ratios of corresponding sides are equal, that is

$\frac{DI}{EH}$ = $\frac{DC}{EC}$ , substitute values