3 years ago

What does 3+3 (a) simplify to when a=5

Mathematics

2 answers:

pav-90 [236]3 years ago

4 0

$3 + 3 \times 5 = 18$

KiRa [710]3 years ago

3 0

3 + 3(5) = 3 + 15 = 18

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Ede4ka [16]

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3(4) - 2(0) = 12
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Step-by-step explanation:

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A 1-pound box of candy cost $4.00. What was the cost<br> per ounce (1 pound 16 ounces)?

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3 years ago

Sold the equation. Round to the nearest hundredth. <br><br>17 · <img src="https://tex.z-dn.net/?f=1.8%5E%7B-x%2B7%7D%20%3D%205"

svetlana [45]

Answer:

Final answer is approx x=4.26.

Step-by-step explanation:

Given equation is $1.8^{-x+7} = 5$

Now we need to solve equation $1.8^{-x+7} = 5$ and round to the nearest hundredth.

$1.8^{-x+7} = 5$

$\log(1.8^{-x+7}) = \log(5)$

$(-x+7)\log(1.8) = \log(5)$

$(-x+7) = \frac{\log(5)}{\log(1.8)}$

$(-x+7) = \frac{0.698970004336}{0.255272505103}$

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$-x = 2.73813274192-7$

$-x =−4.26186725808$

$x =4.26186725808$

Round to the nearest hundredth.

Hence final answer is approx x=4.26.

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3 years ago