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katrin [286]
3 years ago
7

-15X - 40 = 23 - 8 This is the problem and I am totally lost

Mathematics
2 answers:
Elena-2011 [213]3 years ago
3 0
-15x-40=15
then add 40 to both sides to get the constants on 1 side and variables on the other
-15x=25
now you just divide by -15
x = -1.67 or x = -1/3
romanna [79]3 years ago
3 0
Subtract 8 from both sides
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Using the problem below, solve and explain how you got the solution to the system of equation.
Paul [167]

Answer:

(5, -3)

y= -3

x= 5

Step-by-step explanation:

-x-2y=1

x+y=2

solve the equation

-x-2y=1

x=2-y

substitute the value of x into an equation

-(2-y)-2y=1

remove parenthesis

-2-y-2y=1

subtract y to 2y

-2-y=1

add 2 from both sides

-y=3

divide both sides by -y

y= -3

substitute the value of y into an equation

x=2-(-3)

remove parenthesis

x=2+3

add 2 to 3

x=5

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(5,-3)

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7 0
3 years ago
The area of a circle is<br><img src="https://tex.z-dn.net/?f=144%5Cpi%20%5C%3A%20%20%7Bm%7D%5E%7B2%7D%20" id="TexFormula1" title
DiKsa [7]

Answer:

24

Step-by-step explanation:

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the area for this circle is given as

144π m^2

144 is the squared form of 12 if the radius is 12 the diameter is 24

5 0
2 years ago
Gretchen has 50/100 bodily injury liability insurance. She was at fault for an accident where three people in the other car were
Kobotan [32]
0.026 add all of them up then divide them that should be your answer
7 0
3 years ago
Which statement about the ratios 15/18 and 18/27 is true?
frozen [14]

Answer:

C

Step-by-step explanation:

brainliest pls

4 0
2 years ago
Read 2 more answers
HELP ASAP will give BRAINLIEST
tester [92]

Hey there! I'm happy to help!

The question tells us that m∠JKL is 54. We see from the diagram that this is the combination of the angles m∠JKM and m∠MKL. So, we can combine their values, which are equal to 54 to find x.

13x+1+5x+4=54

We combine like terms

18x+5=54

We subtract 5 from both sides.

18x=49

We divide both sides by 18.

x=2.7222222....

Now, we want to find the measure of m∠MKL. We plug our x value into the value of this angle and evaluate.

5(2.722....)+4=17.61111....... or 17 11/18.

Have a wonderful day and keep on learning! :D

3 0
2 years ago
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