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zzz [600]
3 years ago
14

What is the value of b? –7b = –42

Mathematics
2 answers:
Rashid [163]3 years ago
8 0
-7b = -42\\\\b = \frac{-42}{-7}\\\\\boxed{\bf{b = 6}}
Nonamiya [84]3 years ago
7 0
For this question you can just divide the both sides by -7 so you gonna have : 
-7b/-7 = -42/-7 ⇒ b = 6 :)))
i hope this is helpful 
have a nice day 
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zysi [14]

Answer:

D) \:9

Step-by-step explanation:

3\left|-3\right|

Apply absolute rule: \left|-a\right|=a

\left|-3\right|=3

Multiply:

3\times3

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3 years ago
In order to earn extra money during the summer, Trevor is working as a house painter. The
11111nata11111 [884]

The correct answer to this question is that m is the dependent variable and h is the independent variable.

The amount of money Trevor earns can be formulated in the form of linear equation. A Linear equation is the one which can be expressed in the form of y = ax + b where y is dependent, and x is independent variable whereas a, b are coefficients. According to question amount of money Trevor earns will depend on the number of houses he paints. If m is the amount of money Trevor earns and h is the number of houses Trevor paints. This can be formulated as

m = hx + b and in this expression, m is dependent variable and h is independent variable as his earning will depend on the number of houses he paints.

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5 0
1 year ago
Last Sunday an accident caused a traffic jam 12 miles long on a straight stretch of a two lane freeway. how many vehicles do you
Alex787 [66]

Answer:

4310

Step-by-step explanation:

Average car is 14.7 ft long

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8 0
3 years ago
Calculate the Theoretical probability of the following experiments.
Nataliya [291]

The probability that she will NOT take out an orange, then an apple, and finally a grapefruit in that order is 0.2917.

<h3>What is Probability?</h3>

Probability helps us to know the chances of an event occurring.

\rm Probability=\dfrac{Desired\ Outcomes}{Total\ Number\ of\ outcomes\ possible}

A.) The probability that she will NOT randomly take out two oranges in a row,

Probability = 1 - (5/12)² = 0.8264

B.) The probability that she will NOT randomly take out two grapefruits in a row,

Probability = 1 - (4/12)² = 0.8264 = 0.8889

C.) The probability that she will NOT randomly take out two apples in a row,

Probability = 1 - (3/12)² = 0.8264 = 0.9375

D.) The probability that she will NOT take out an orange, then an apple, and finally a grapefruit in that order,

Probability = (7/12) × (9/12) × (8/12) = 0.2917

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7 0
2 years ago
PLEASE ANSWER ASAP FOR BRAINLEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Artyom0805 [142]

Answer:

Your second answer, otherwise know as 1 in. : 4ft. is the answer.

Step-by-step explanation:

The new map is 3 times bigger than the old map, therefore your given scale for the first map will shrink by 3 to compensate for the new map being bigger. Divide 12ft by 3 and you get 4 ft., so your answer is 1in. : 4ft.

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3 years ago
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