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valkas [14]
3 years ago
8

Which expression has a value that is equivalent to 5n + 13 when n=−5 ?

Mathematics
2 answers:
Orlov [11]3 years ago
8 0
5(-5)+13=-25+13=-12
the answer would be 4n+8
hope this helps!
Luba_88 [7]3 years ago
5 0
I didnt hae this prokbme but it is n = 8
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Solve for x9(x + 1) = 25 + x
vaieri [72.5K]
When you expand the equation, you will have
9x + 9=25 + x
Next you have to collect like terms
+x will go over the equality sign to become -x. The same applies to +9
9x - x=23 - 9
9x minus x is 8x
8x=14
Divide both sides by 8
x=14/8
You will have 1 6/8
6 is the remainder while 1 is the number of times 8 divided 14.
In decimal, it will be 1.75
Hope that helped. Good luck
8 0
3 years ago
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the answer is two :D

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2 years ago
Which shapes make up this composite figure?
adelina 88 [10]

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Step-by-step explanation:

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3 years ago
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How do you solve 3 3/4a+3+6=87 in multi step equations
Dovator [93]
If you would like to solve the equation 3 3/4 * a + 3 + 6 = 87, you can do it using the following steps:

3 3/4 * a + 3 + 6 = 87
15/4 * a = 87 - 3 - 6
15/4 * a = 78    /*4/15
a = 78 * 4/15
a = 104/5
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The correct result is 20.8.
3 0
3 years ago
Pleaseee helppppppp!!!!!!!!!
larisa [96]

Answer:

angle 1 + angle 2 = 100

angle 1 = 40

angle 2 = 60

angle 3 = 120

Step-by-step explanation:

5 0
3 years ago
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