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aleksley [76]
3 years ago
7

Solve the equation. (10x + 5) + (6x − 1) = 180 A. 9 B. 11 C. 17 D. 23

Mathematics
2 answers:
cluponka [151]3 years ago
3 0
(10x+5) + (6x-1)=180
10x+5+6x-1=180
16x+4=180
16x+4=180
16x=180-4
16x=178
x=11
otez555 [7]3 years ago
3 0
10 timea 5 is 50 6 take away 1 is 5 50 take away 5 is 45 71 take away 45 is 26 take away 3 is 23. So D is your answer
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2 years ago
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AB = 2x-5 BC = 6x AC = 27
OlgaM077 [116]

Answer:

correct answer is x = 2.75

Step-by-step explanation:

Given;

AB = 2x-5

BC = 6x

AC = 27

Hence,

=> AC = AB + BC

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=> 27 = 8x-5

=> 27-5 = 8x

=> 22 = 8x

=> 22/8 = x

=> 11/4 = x

or

2.75 = x

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3 years ago
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raketka [301]

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Solid A has a volume of 28 in³. The scale factor of A to B is 1:2. What is the volume of Solid B?
PilotLPTM [1.2K]

Answer: 56in³

Step-by-step explanation:

Let the volume of solid B de denoted as x. Based on the information given in the question, we can solve further by:

1/2 = 28/x

Cross multiply

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Therefore, the volume of solid is 56in³.

4 0
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