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S_A_V [24]
2 years ago
9

HELP ME PLSSSSSSSSSSSS

Mathematics
1 answer:
KonstantinChe [14]2 years ago
8 0
T: “What number, when I add 5 and then multiply it by 2, equals 100?”

V: “What number, when I multiply it by 5, equals 45?”

W: “What two numbers, when added together, equal 10?”
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Can someone help me I’ve been getting this one wrong
s2008m [1.1K]

Answer:

26 hopefully that helps

7 0
4 years ago
Read 2 more answers
I WILL GIVE BRAINLIEST<br> Solve for t<br><br> 4 (t + 1/4) = 3<br><br> t =
Ulleksa [173]

Answer:

t= 1/2

Step-by-step explanation:

hope this help

8 0
4 years ago
Read 2 more answers
Please answer correctly.
damaskus [11]

The answer is D because if you add 4 7/10 which is 4.7 and add 5 4/5 which is 5.8 it is 4.7 plus 5.8. That equals 10.5 which is equal to the answer of 10 1/2. If this is right could I possibly get brainliest?

4 0
4 years ago
An insurance company estimates 45 percent of its claims have errors. The insurance company wants to estimate with 99 percent con
nydimaria [60]

Answer:

We need a sample size of at least 657.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \pi, and a confidence level of 1-\alpha, we have the following confidence interval of proportions.

\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}

In which

z is the zscore that has a pvalue of 1 - \frac{\alpha}{2}.

The margin of error is given by:

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

45 percent of its claims have errors.

So \pi = 0.45

99% confidence level

So \alpha = 0.01, z is the value of Z that has a pvalue of 1 - \frac{0.01}{2} = 0.995, so Z = 2.575.

What sample size is needed if they wish to be within 5 percent of the actual

This is a sample size of at least n, in which n is found when M = 0.05.

M = z\sqrt{\frac{\pi(1-\pi)}{n}}

0.05 = 2.575\sqrt{\frac{0.45*0.55}{n}}

0.05\sqrt{n} = 1.28

\sqrt{n} = \frac{1.28}{0.05}

\sqrt{n} = 25.62

\sqrt{n}^{2} = (25.62)^{2}

n = 656.4

We need a sample size of at least 657.

6 0
3 years ago
A student sets up the following equation to convert a measurement. Fill in the missing part of the equation
fomenos

Answer:

We have the equation:

(14 N/mm)*X = Y N/cm

So we want to transform 1/mm to 1/cm.

We know that:

10mm = 1cm

1 = 10mm/1cm (we want to have mm on the numerator, so it cancelates with the mm in the denominator)

then the conversion is from 1/mm to 1/cm is:

X = 10mm/cm

then we have:

(14N/mm)*(10mm/cm) = 140 N/cm

4 0
3 years ago
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