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Advocard [28]
3 years ago
9

Four less than the product of 7 and a number is equal to 8 Use the variable b for unknown number

Mathematics
1 answer:
Akimi4 [234]3 years ago
3 0

Answer:12/7

Step-by-step explanation:

7b-4=8

7b-4+4=8+4

7b=12

b=12/7

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A line passes through the points (-1, -6) and (-4, 3). What is the equation of this line in slope-intercept form?
g100num [7]

Since we have two ordered pairs, we can find the slope by plugging them into (y2-y1)/(x2-x1) which translates to (3-(-6))/(-4-(-1))=9/-3=-3

Since the slope is -3, we have the equation y=-3x+b, but we don't know b. So we plug in values for x and y and solve for b.

-6=-3(-1)+b

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So the y-intercept is -9 and the full equation is y=-3x-9 which means A is the only correct answer.

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4 0
4 years ago
Analyze the diagram below and complete the instructions that follow?
yan [13]

Answer:

The exact value of tan(M) is 5/12 ⇒ answer (C)

Step-by-step explanation:

* Lets revise the trigonometry functions

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# m∠B = 90°

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# The trigonometry functions of angle C are

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- cos(C) = b/c ⇒ adjacent side to ∠C ÷ the hypotenuse

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∵ tan(M) = ON/NM ⇒ opposite side of ∠(M) ÷ adjacent side of ∠(M)

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6 0
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Answer:

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Step-by-step explanation:

4 0
3 years ago
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TiliK225 [7]

Answer:

26

Step-by-step explanation:

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(The decimal forms of these numbers are 6.5 and 0.25)

6.5/0.25=26

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8 0
3 years ago
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