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Elenna [48]
4 years ago
13

PLEASE HELP! WILL MARK BRANLIEST

Mathematics
1 answer:
11111nata11111 [884]4 years ago
5 0

Answer:

13=x

Step-by-step explanation:

101=7x+10

-10       -10

<u>91</u>=<u>7x</u>

7   7

13=x

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How would I answer this?
Reika [66]

<u>Answer:</u>

C = 145.4°

By creating a system of equations (2 equations) with the information from a problem, we can substitute and solve for the missing variables.

<u>Step-by-step explanation:</u>

Linear pairs are found on a straight line, so they total to 180°.

C + D = 180 ......eq'n [1]

C is seven more than four times D can be represented with this equation:

C = 4D + 7 ........eq'n [2]

We can solve by <u>substituting [2] into [1]</u>, replacing "C".

C + D = 180

4D + 7 + D = 180

Collect like terms

5D + 7 = 180

Subtract 7 from both sides

5D = 173

Divide both sides by 5

D = 173/5

As a decimal, D = 34.6°.

Using eq'n [2], find C. Substitute the value of "D". Solve.

C = 4D + 7

C = 4(173/5) + 7

C = (692/5) + 7

C = (692/5) + (35/5)         Find a common denominator.

C = (692+35)/5                Combine into numerator.

C = 727/5

As a decimal, C = 145.4°.

3 0
4 years ago
What is the measure of
Aleks [24]
Numbers? Letters? Objects?
6 0
3 years ago
Helpppppppppppppppppppppppppppppppppppppppp
polet [3.4K]

Step-by-step explanation:

let : the pair of jeans = X

a. the equation is :

4(X-3) + 8 = 92

b. 4(X-3) = 92-8

4X -12 = 84

4X = 84+12

4X = 96

X = 96/4

X = 24

so, the price of each pair of jeans = $24

_________

For the solution x = 2.6, the left side of equation

(2x - 6) => would be 2(2.6)-6 = 5.2-6 = -8 ( the negative value),

but on the right side of the equation 4x+8 => 4(2.6) +8 = 18.4 ( the positive value)

this difference indicates that x=2.6 is not the right solution.

4 0
3 years ago
Answer correctly and brainliest
hram777 [196]
Well it's 70+42+70+48 or 230 sq. ft
5 0
3 years ago
How to erite a sequence of 1/4 , 1/2,3 write a rule for the sequence 1/4 1/2 3/4
FrozenT [24]
The equation for finding the equation of an arithmetic sequence is an=a1+(n-1)d, where n is the input for the sequence, a1 is the first term, and d is the difference between each term. 

a1= 1/4
d= 1/4 

an= 1/4 + (n-1)(1/2) - First you need to distribute the 1/2 to both the n and -1 to get:    an= 1/4 + 1/2n -1/2.

Then you need to add like terms (1/4-1/2) to get an=1/2n-1/4.  Hope this helps!
3 0
3 years ago
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