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nadezda [96]
3 years ago
5

Help plz i need help PLZ I HAVE A MATH TEST :(((((((((((

Mathematics
2 answers:
ruslelena [56]3 years ago
7 0

Answer:

68

Step-by-step explanation:

hope it helps u

wait need more answer?

just follow me and ur welcome

Naddik [55]3 years ago
3 0

اختي هلق اذا نزلنا من الزاوية الثانية خط منحسن نلاقي مستطيل ونحيب مساحته ويلي هية ١٢ متر مربع

بعدين منطلع الضلعين الموجودين يلي لح يكونو نفس القيمة

يعني هوو كمان مستطيل ١٤×٤=٥٦

٥٦+١٢=٦٨

يعني الجواب ٦٨ متر مربع ان شاء الله يكون صح لاني حليته نظرياً

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4(g-1)=24 what is g please help
denis23 [38]

Answer:

G=7

Step-by-step explanation:

4(g-1)=24

4g-4=24

4g=28

g=7

3 0
3 years ago
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A population of 80,000 toads is expected to shrink at a rate of 9.2% per year. What will be the toad population be in 20 years?
jekas [21]
P=80,000×(1−0.092)^(20)
p=11,609.3
7 0
3 years ago
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Of the 120 apartments in a building, 75 have been scheduled to receive new carpet. What fraction of the apartments have not been
Ilia_Sergeevich [38]

Hello!

To find the fraction of the apartments that have not been scheduled to receive new carpet, we need first need find the number of apartments not receiving new carpet, by subtracting the total amount of apartments, by the 75 that have been scheduled.

120 - 75 = 45 apartments

Next, we need to create a fraction. Since 45 out of 120 apartments not are scheduled to get new carpeting, the fraction of these values is 45/120. This can be reduced to 3/8.

Therefore, your final answer is 45/120, simplified to 3/8.

6 0
3 years ago
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What is a congruence statement? PLEASE ANSWER HURRY
Alexeev081 [22]

Answer:

A congruence statement says that two polygons are congruent.

Step-by-step explanation:

To write a congruence statement, list the corresponding vertices in the same order.

6 0
3 years ago
A publisher reports that 344% of their readers own a particular make of car. A marketing executive wants to test the claim that
inysia [295]

Answer:

No, there is not enough evidence at the 0.02 level to support the executive's claim.

Step-by-step explanation:

We are given that a publisher reports that 34% of their readers own a particular make of car. A random sample of 220 found that 30% of the readers owned a particular make of car.

And, a marketing executive wants to test the claim that the percentage is actually different from the reported percentage, i.e;

Null Hypothesis, H_0 : p = 0.34 {means that the percentage of readers who own a particular make of car is same as reported 34%}

Alternate Hypothesis, H_1 : p \neq 0.34 {means that the percentage of readers who own a particular make of car is different from the reported 34%}

The test statistics we will use here is;

                T.S. = \frac{\hat p -p}{\sqrt{\frac{\hat p(1- \hat p)}{n} } } ~ N(0,1)

where, p = actual % of readers who own a particular make of car = 0.34

            \hat p = percentage of readers who own a particular make of car in a

                  sample of 220 = 0.30

            n = sample size = 220

So, Test statistics = \frac{0.30 -0.34}{\sqrt{\frac{0.30(1- 0.30)}{220} } }

                             = -1.30

Now, at 0.02 significance level, the z table gives critical value of -2.3263 to 2.3263. Since our test statistics lie in the range of critical values which means it doesn't lie in the rejection region, so we have insufficient evidence to reject null hypothesis.

Therefore, we conclude that the actual percentage of readers who own a particular make of car is same as reported percentage and the executive's claim that it is different is not supported.

3 0
3 years ago
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