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Naddika [18.5K]
3 years ago
13

Javier creates a rectangular painting.The painting is 3feet long and more than 2 feet wide.The expressions 3(2+x) represents the

area of the painting.Write an expression equivalent to 3(2+x)
Mathematics
1 answer:
Lelechka [254]3 years ago
4 0
2(3+x) because it is asking for an equivalent expression. So just do the Communitive Property of Multiplication. Since you can change around the around for multiplication, it would be 2(3+x) since it will equal the same thing.
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Why is it preferable to measure a penny in millimeters rather than centimeters or meters?
andrey2020 [161]
Pennies are small so, if would be more accurate and have whole numbers. If u measured with an inch or meter, u would get a fraction for an answer.
8 0
3 years ago
Read 2 more answers
a. Show the sampling distribution of p, the proportion of groceries thrown out by your sample respondents.b. What is the probabi
Anika [276]

Answer:

The corresponding p - value will be  is < 0.00001 which is less than 0.05

Step-by-step explanation:

Suppose p= 0.12 and n= 540 then the standard deviation can be taken out as √p(1-p)/n= √0.12(1-0.12)/540= 0.014

For the probability that the survey will provide a sample proportion within 6.03 of the population proportion

we will find the z statistic

z= p^-p/√p(1-p)/n

But √p(1-p)/n= 0.014 and p^-p= 6.03

Putting the values

z= 6.03/0.014= 430.71

The corresponding p - value will be  is < 0.00001 which is less than 0.05

7 0
2 years ago
Help me please ! Thank you so so much :)
notka56 [123]
#4 = B
Explanation= Because C&A are the same angle measurement, and the 90 angle is along a straight line making the other angle 90, and the triangles share the same side the postulate you can use is AAS because you can prove that the triangles share 2 common angles and 1 common side

#5 = B
Explanation= Because the triangles already have 1 congruent angle, and 1 congruent side the only thing left we can prove is that because the triangles mirror each other, they have congruent opposite angles (may be called vertical angles) as well so they have 2 angles and 1 side in common which tells you to use AAS
5 0
3 years ago
13) Mark walks 3.4 miles per day. How<br> many days will it take him to walk 17.34<br> miles?
HACTEHA [7]

Answer:

5.1 days

Step-by-step explanation:

3.4 \: miles = 1 \: day \\ 17.34 \: miles \:  = x \: days

Cross Multiply

3.4x = 17.34

Divide both sides of the equation by 3.4

\frac{3.4x}{3.4}  =  \frac{17.34}{3.4}

x = 5.1

8 0
3 years ago
Read 2 more answers
What is the simplest form of (5x-8)(2x+4)
tino4ka555 [31]
Let's solve step by step

So all we need to do is simplify the equation 

<span><span>(<span>5x − 8</span>)</span><span>(<span>2x + 4</span>)

</span></span><span>= <span><span>(<span>5x + −8</span>)</span><span>(<span>2x + 4</span>)

</span></span></span><span>= <span><span><span><span><span>(5x)</span><span>(2x) </span></span>+ <span><span>(5x)</span>(4) </span></span>+ <span><span>(−8)</span><span>(2x) </span></span></span>+ <span><span>(−8)</span><span>(4)

</span></span></span></span><span>= <span><span><span><span>10x^2 </span>+ 20x </span>− 16x </span>− 32

</span></span><span>= <span><span><span>10x^2 </span>+ 4x </span>− <span>32

Therefore the simplified form of this is </span></span></span>10x^2 + 4x − 32
Hope this helps! - Alyssa

(Please mark as Brianliest Answer, Thanks)
8 0
3 years ago
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