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2 years ago

Multiply. 7×2/5 Enter your answer as a mixed number in simplest form

Mathematics

2 answers:

xenn [34]2 years ago

6 0

The answer as a mixed number is 2 4/5.

Firdavs [7]2 years ago

5 0

Answer: 2/5

Step-by-step explanation: if this is right can i pls get brainliest answer

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dybincka [34]

8x8x8=512
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Explain how to find the measure of X without finding the measure of its supplement first

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What kind of function would be most suitable to model these data

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an exponential

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3 years ago

10-d = -34-5d solve this equation

algol13

<h3>Explanation</h3>

Given the equation.

$10 - d = - 34 - 5d$

Solve the equation for d-term.

Because we cannot subtract or add up constants and variables, we simply move the same variable term to the same side and constant term to the same constant side.

$10 + 34 = - 5d + d \\ 44 = - 4d \\ \frac{44}{ - 4} = d \\ - 11 = d$

Answer Check

Substitute d = -11 in the equation.

$10 - ( - 11) = - 34 - 5( - 11) \\ 10 + 11 = - 34 + 55 \\ 21 = 21$

The equation is true for d = -11.

<h3>Answer</h3>

 $\large \boxed{d = - 11}$ 

7 0

3 years ago

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Multiply and give the answer in scientific notation:

kakasveta [241]

Step-by-step explanation:

given

$(1.5 \times {10}^{4} )(8 \times {10}^{8} )$

in order to make multiplication easier we need to change the 1.5 into a whole number form.

thus

$(15 \times {10}^{ - 1} \times {10}^{4} )(8 \times {10}^{8} )$

$= (15 \times {10}^{4 - 1} )(8 \times {10}^{8} )$

First law of indices applied there

=(15×10^3)(8×10^8)

=(15×8)(10^3×10^8)

=120×10^3+8 ( first law of indices, which states that , numbers of the same base multiplying each other, take one of the base and add the exponent. and clearly both 15 and 8 are in base 10

=120×10^11

=1.20×10^2 ×10^11

=1.20×10^11+2

=1.20×10^13

so the answer is alt B

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3 years ago