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2 years ago

Factor 15x + 35 using the GCF

Mathematics

1 answer:

Sedaia [141]2 years ago

8 0

Answer:

Step-by-step explanation:

find all of tehe factors to both numbers

15x = 5 3 x

35 = 5 7

pull 5 out of both of them and put the remaining factors in parentheses

5(3x + 7)

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The heights of dogs, in inches, in a city are normally distributed with a population standard deviation of 3 inches and an unkno

Nitella [24]

Answer: 1.2703

Step-by-step explanation:

Given : Sample size : n= 17, which is a small sample (n<30), so we use t-test.

Significance level : $\alpha:1-0.90=0.1$

Then , Critical value : $t_{n-1,\alpha/2}=t_{16, 0.05}\pm1.745884$

Standard deviation: $s=3\text{ inches}$

The formula to find the margin of error : -

$E=t_{n-1,\alpha/2}\dfrac{s}{\sqrt{n}}\\\\\Rightarrow\ E=(1.745884)\dfrac{3}{\sqrt{17}}\\\\\Rightarrow\ E=01.27031720154\approx1.2703$

Hence, the error bound (EBM) of the confidence interval with a 90% confidence level.=1.2703

6 0

3 years ago

Pls help! I WILL MARK BRAINLIEST IF YOU ARE CORRECT

Anna11 [10]

The correct answer is C

8 0

3 years ago

WILL GIVE BRAINLIEST!!! No LINKS or REPORT!!!

defon

<h3>The volume of the cone is</h3><h2>37.7</h2>

<u>The formula is:</u>

V= (3.14)π⋅ (radius)r^2⋅(height)h/3

(^2 is a exponent)

<u>How to solve:</u>

π ·2^2· 9/3= 37.69911

(Round to the nearest tenth)

6 0

3 years ago

Read 2 more answers

During an election in Springtown, seven of every nine people who voted in favor and remodeling the city swimming pool. Springtow

Alika [10]

Answer: 21,000

Step-by-step explanation:

Given: The number of eligible voters in Springtown = 36,000

Since, during election in Springtown, seven of every nine people who voted in favor and remodeling the city swimming pool.

The fraction of people voted for remodeling the city swimming pool= $\frac{7}{9}$

Therefore, the number of people voted for remodeling the city swimming pool

= $\frac{7}{9}\times36000\\=7\times4000\\=21000$

Hence, he number of people voted for remodeling the city swimming pool = 21,000.

8 0

3 years ago

Bodie Raptor's Iphone 11 has 4/5 of the battery still remaining. His phone battery drains at a rate of 1/3 every hour. If he use

Nikolay [14]

Answer:

$2\frac{2}{5}$ hours, or 1 hours and 24 minutes

Step-by-step explanation:

4/5 battery remaining

drains at rate of 1/3 per hour

$\frac{1}{3}h=\frac{4}{5}\\\frac{3}{1}(\frac{1}{3}h)=\frac{3}{1}*\frac{4}{5}\\h=\frac{3*4}{1*5}=\frac{12}{5}=2\frac{2}{5}$

He has 2 2/5 hours or 2 hours and 24 minutes left until his phone dies. (A fifth of an hour is 12 minutes and we have 2/5 to deal with, so 12 times 2 is 24 mins.)

6 0

3 years ago