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Rasek [7]
2 years ago
13

7y-y=30 show work for it!

Mathematics
1 answer:
Anarel [89]2 years ago
7 0

Answer:

y=5

Step-by-step explanation:

7y-y=6y

30/6 = 6y/6

5 = y

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Suppose you want to estimate the proportion of cars that are sport utility vehicles (SUVs) being driven in Kansas City, Missouri
ahrayia [7]

Answer:

<em>The sample size 'n' = 721</em>

<em>Number of cars 'n' = 721</em>

 Step-by-step explanation:

<u><em>Explanation</em></u>:-

<em>Given  Population proportion 'p' = 0.40</em>

<em>Given Margin of error = 0.03</em>

<em>90% of level of significance </em>

<em>                                         </em>Z_{\frac{\alpha }{2} } = 1.645<em></em>

<em>The Margin of error is determined by</em>

<em></em>M.E = \frac{Z_{\frac{\alpha }{2} S.D} }{\sqrt{n} }<em></em>

0.03 = \frac{1.645 X \sqrt{0.40(1-0.40) } }{\sqrt{n} }

on calculation , we get

0.03√n = 0.8058

\sqrt{n} = \frac{0.8058}{0.03} = 26.86

squaring on both sides , we get

n = 721.45≅721

<u><em>conclusion</em></u>:-

<em>The sample size 'n' = 721</em>

<em>Number of cars 'n' = 721</em>

 

5 0
2 years ago
What is the approximate value of the function at x = -8<br> A) 2<br> B) 1<br> C) 1.8<br> D) 1.5
SVETLANKA909090 [29]

Answer:

f(-8) = 1.8

Step-by-step explanation:

See the graph of a given function which is attached to the question given.

The graph of y = f(x) is plotted in the graph and we have to find the value of y at x = - 8 i.e. f(-8).

It is clear from the graph that the value of y corresponding to the value of x = -8 is slightly lower than 2.

Therefore, we can approximate the value of f(-8) as 1.8. (Answer)

4 0
3 years ago
What is the solution to the following equation? (4 points) 5(2x − 6) + 20 = 10 Group of answer choices
vichka [17]

Answer:

x=2

Step-by-step explanation:

6 0
3 years ago
Salma and coron broomall have reached an agreed upon price of $197,000. They plan to make a 30 percent down payment and finance
Sladkaya [172]

Answer:

1. The monthly payment is $689.5

2. The total amount to be paid is

$224,580.

Step-by-step explanation:

Salsa and Corn Broom all reached an agreement upon the price of $197,000.

- The plan on making a 30 percent down payment. This implies that the will pay 0.3 × $197,000 = $59,100

This leaves them with

$197,000 - $59,100

= $137,900 to pay.

The plan on financing this remaining amount at 6 percent for 20 years.

This means they will pay

0.06 × $137,900 = $8,274 for 20 years. This translates to the payment of $8,274 × 20 = $165,480 across the 20 years.

1. The monthly payment is the yearly payment divided by 12.

Which is $8,274 ÷ 12 = $689.5

2. The total amount to be paid is

$165,480 + $59,100

= $224,580.

6 0
3 years ago
PLZ Help. It will be very appreciated.
11Alexandr11 [23.1K]

when the two books were published

3 0
2 years ago
Read 2 more answers
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