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Aneli [31]
4 years ago
8

Find X. Please break down the steps if possible

Mathematics
1 answer:
labwork [276]4 years ago
5 0

Answer: x = 17.5


Step-by-step explanation:

All expressions for the angles as a whole must equal 180 because it is on a line.

so we need to set all the expressions equal to 180 then solve.

4x+2x+30+2x+10=180

combine like terms

(4x+2x+2x) + (30+10) =180

8x + 40 = 180

now subtract 40 from each side

8x=140

isolate the x by dividing each side by 8

x = 17.5



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Josie deposited $450 at the beginning of the month. A payment of $35.20 is automatically deducted each month for her gym members
Alinara [238K]

Answer:

You have told us that there is $450 in Josie's bank account, and she does not make any later deposits or withdraws. You have also told us that the gym deducts $35.20 every one month in fees.

Explanation:

The answer is really easy to find. All you have to do is subtract 35.20 from 450. The problem asks for the amount of money that Josie has in her account at the end of the month - the same month that she put $450 into her account.

Solve:

450 - 35.20

= 414.80

Josie has $414.80 in her bank account at the end of the month.

<h2><u>PLEASE MARK BRAINLIEST! </u></h2>
7 0
4 years ago
1. An expressions equated to another expression is called _______.
musickatia [10]

An expressions equated to another expression is called an equation

An equation is an expression that is used to show the relationship between two or more variables and numbers.

Given that a = 5, hence:

2a + 5

substituting values:

2(5) + 5 = 10 + 5 = 15

2a + 5 = 15

The sum of twice and four times of the variable x is 2x + 4x = 6x

Find out more on equation at: brainly.com/question/2972832

3 0
2 years ago
Read 2 more answers
a ladder is leaning against a building. the top of the ladder is 21 feet up the wall. the bottom of the ladder is 20 feet away f
Nookie1986 [14]

Answer:

29

Step-by-step explanation:

We can use the pythagorean theorem to find the length of the ladder

{20}^{2}  +  {21}^{2}  = c {}^{2}

400 + 441 =  {c}^{2}

841 =  {c}^{2}

c = 29

The answer is 29

8 0
3 years ago
Read 2 more answers
A blueprint scale is 1/4 in = 1 ft. If the blueprint measurement is 3 in in x 3 in, what should you cut?
kvasek [131]
I should cut out a 12 ft by 12 foot
7 0
4 years ago
There has been a trend toward less driving in the last few years, especially by young people. From 2001 to 2009 the annual vehic
rodikova [14]

Answer: 1537.

Step-by-step explanation:

Formula for sample size :-

n=(\dfrac{z_{\alpha/2}\cdot \sigma}{E})^2

Given : \sigma=2000

Margin of error : E= 100

Critical value of 95% confidence : z_{\alpha/2}=1.96

Now, the required sample size will be :-

n=(\dfrac{1.96\cdot 2000}{100})^2\\\\=1536.64\approx1537

Hence, the minimum sample size required = 1537.

3 0
4 years ago
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