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julia-pushkina [17]
3 years ago
11

Here it is cherly not cherry ​

Mathematics
2 answers:
shtirl [24]3 years ago
5 0

Answer:

<em>- 4x + 3y = - 20</em>

<em>  4x + 2y = - 5</em>

<em>_____________ +</em>

<em>- 4x + 4x + 3y + 2y = - 20 + (- 5)</em>

<em>5y = - 20 - 5</em>

<em>5y = - 25</em>

<em>y = - 5</em>

<em />

<em>4x + 2(-5) = - 5</em>

<em>4x - 10 = - 5</em>

<em>4x = 10 - 5</em>

<em>4x = 5</em>

<em>x = 5/4</em>

Fiesta28 [93]3 years ago
3 0

Answer:

it is correct

Step-by-step explanation:

shown above in the photo

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Tisha babysat for 5 hours and earned $32.50. At the same rate, how much would she earn in 8 hours?
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The owner of a small pet supply store wants to open a second store in another city, but he only wants to do so if more than one-
Andrei [34K]

Answer:

The answer is "The null hypothesis was rejected".

Step-by-step explanation:

Following are the right-tailed test:

Calculating the null and alternative hypothesis:

H_0 : p = 0.3333\\\\H_a : p > 0.3333\\\\n = 150\\\\x = 64\\\\\hat{p} = \frac{x}{n} = \frac{64}{150} = 0.4267\\\\P_0 = 0.3333\\\\1 - P_0 = 1 - 0.3333 = 0.6667\\\\

z = \frac{\hat{p} - P_0}{[\sqrt{\frac{P_0 \times (1 - P_0 )}{n}}]}

   = \frac{0.4267 - 0.3333}{[\sqrt{\frac{(0.3333 \times 0.6667)}{150}}]}\\\\= 2.426

Calculating the right-tailed test:

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This example shows that more than a third of the families own pets in this town.

5 0
2 years ago
Answer this as soon as possible
kenny6666 [7]

Answer:

21+3t

If really want equation answer it would be -7 but it simplifying. :)

Step-by-step explanation:

6(4+t)-3(t+1)

Simplify parenthesis first.

24+6t-3t-3

Simplify like terms

24-3+6t-3t

21+3t

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3 years ago
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