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mr_godi [17]
3 years ago
15

Pip was thinking of a number subtracts 13 and gets answer of 30.3 what was original number

Mathematics
2 answers:
stiv31 [10]3 years ago
6 0
It should be 43.3 since equation x-13=30.3 would you get you 43.3
olasank [31]3 years ago
5 0

Answer:

393.9

Step-by-step explanation:

Multiply 30.3 with 13.. Will get the answer 393.9

30.3= x / 13

X = 30.3 x 13

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W3* 5 = 15. then 15 + 5 equals what number? 3 05 08 15​
Anastaziya [24]

Answer:

Hello

ur answer is

15+5= 20

Step-by-step explanation:

thanks hope it helps

6 0
3 years ago
Solve for x, worth 10 points
Anton [14]

Answer: x=22

Step-by-step explanation:

Since the angles are corresponding angles, use x+14=5x-74. You get 36=36 meaning it is right when you substitute the value for x.

x+14=5x-74

-x on both sides

14=4x-74

+74 on both sides

88=4x

Divide both sides by 4

x=22

8 0
3 years ago
A research engineer for a tire manufacturer is investigating tire life for a new rubber compound and has built 16 tires and test
frutty [35]

Answer:

The 95% confidence interval for mean tire life is between 52,368.4 kilometers and 67,911 kilometers.

Step-by-step explanation:

We are in posession of the sample's standard deviation, so we use the students t-distribution to solve this question.

The first step to solve this problem is finding how many degrees of freedom, we have. This is the sample size subtracted by 1. So

df = 16 - 1 = 15

95% confidence interval

Now, we have to find a value of T, which is found looking at the t table, with 15 degrees of freedom(y-axis) and a confidence level of [tex]1 - \frac{1 - 0.95}{2} = 0.975. So we have T = 2.68

The margin of error is:

M = T*s = 2.1315*3645.94 = 7771.3

In which s is the standard deviation of the sample.

The lower end of the interval is the sample mean subtracted by M. So it is 60139.7 - 7771.3 = 52,368.4.

The upper end of the interval is the sample mean added to M. So it is 60139.7 + 7771.3 = 67,911.

The 95% confidence interval for mean tire life is between 52,368.4 kilometers and 67,911 kilometers.

3 0
3 years ago
Read 2 more answers
1. The Alabama state flag is white and has two diagonal red stripes. If the m<1 = 135°, what is
MaRussiya [10]

Using the supplementary angles theorem, it is found that the measure of the second angle is of m<2 = 45º.

<h3>What are supplementary angles?</h3>

Two angles are supplementary when the <u>sum of their measures is of 180º</u>.

The Alabama state flag has <u>two lines opposite by the same vertex</u>, hence two angles that are sided are supplementary, hence:

m<1 + m<2 = 180º.

135º + m<2 = 180º.

m<2 = 45º.

The measure of the second angle is of m<2 = 45º.

More can be learned about supplementary angles at brainly.com/question/12919120

#SPJ1

8 0
2 years ago
The product of 5 and a number n is at least 25.
Afina-wow [57]
5x2+15=25 is the answer
3 0
3 years ago
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