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2 years ago

15

Can someone help??? thanks

2 answers:

velikii [3]2 years ago

4 0

The answer to your question is 4(d+3)

Vladimir [108]2 years ago

3 0

So since you're distributing you would put the 4 outside of the parenthesis then put the 12 in the parenthesis.

Hope this helps:)
Mark me as brainliest answer if it did!

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6÷1/5 =<br> A. 1 1/5 <br> B. 1/5<br> C. 5/36<br> D. 30

trasher [3.6K]

Answer:

<em>D. 30</em>

Step-by-step explanation:

6 ÷ 1/5 <em>-given expression</em>

6 x 5 <em>-use the </em><em>keep, change, flip </em><em>method, where you</em><em> keep</em><em> the </em><u><em>first </em></u><em>number, </em><em>change</em><em> the </em><u><em>division sign</em></u><em> to a </em><u><em>multiplication sign</em></u><em>, and </em><em>flip</em><em> the f</em><u><em>raction</em></u><em> that comes after the symbol.</em>

<em>6 x 5 = 30</em>

<em>30 is the answer</em>

3 0

2 years ago

Dr. Ashby is studying the heart rate of adult men. Preliminary data suggests that the standard deviation of heart rates for adul

jok3333 [9.3K]

Answer:

n=42 adult men

Step-by-step explanation:

-The minimum sample size to get a desired margin of error, E is calculated using the formula:

$n\geq( \frac{z\sigma}{E})^2$

-Given that $\sigma=7.5, \ \ E=3\ , \ z_{0.005}=2.58$ , we can substitute to solve for n in the above formula:

$n\geq (\frac{z\sigma}{E})^2\\\\\therefore n=(\frac{z_{\alpha/2}\sigma}{E})^2\\\\=(\frac{2.58\times7.5}{3})^2\\\\=41.6025\approx42$

Hence, the desired minimum sample size, n is 42 adult men.

4 0

3 years ago

A light bulb in Maya's house uses 9.4 watts of electric power each minute it is on. If the light bulb used a total of 6.58 watts

tamaranim1 [39]

Answer:

0.7 minute

Step-by-step explanation:

Given that each (1) minute a light use 9.4 watts.

So If the light bulb used a total of 6.58 watts, the minutes was on it is:

$\frac{The total watts used}{The watts used each minute}$

= $\frac{6.58}{9.4}$

= 0.7 minute

So the the minutes was on it is 0.7

Hope it will find you well!

4 0

3 years ago

Will give brainliest answer

olganol [36]

Answer:

32

Step-by-step explanation:

Area of a big right triangle = 1/2 * 4 * (2+2+6) = 1/2 * 4 *10 =20

Area of a left right triangle = 1/2* 2*2 = 2

Area of a right right triangle = 1/2 * 6*2 =6

Area of a square = 2*2 = 4

All together:

20+ 2+6+4 =32

3 0

3 years ago

Read 2 more answers

This is for number 7

Aneli [31]

182.5 + 50 = 232.5. 267.5 was spent

6 0

3 years ago

Read 2 more answers