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3 years ago

A line has a slope of 9/4 and a y-intercept of -14.

1 answer:

6 0

The answer correct is C.

We can use the linear equation y=mx+b to help. y is the dependent variable, m is slope, x is the independent variable, and b is the y intercept.

In this case, the values of x and y were not given, so we still have y=mx+b. We can substitute 9/4 for m and -14 for b to get y=9/4x-15, which is C.

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find three consecutive integers for which 3 times the sum of the first and third integers is -342? show step by step

Artyom0805 [142]

Answer:

-58, -57, -56

Step-by-step explanation:

if the first integer is x,

the second integer must be x + 1 (because it's consecutive)

and the third must be x + 2

Therefore:

3 times the sum of the first and third integers is -342:

3 * (x + (x+2) ) = -342

Combine like terms in parentheses

3 * (2x + 2) = -342

Distribute the 3 to the 2x and the 2:

6x + 6 = -342

Subtract 6 on both sides

6x = -348

Divide by 6 on both sides

x = -58

x + 1 = -57

x + 2 = -56

-58, -57, -56

Check:

3 * (-58 + -56) = 3 * -114 = -342

3 0

2 years ago

How much time is needed for a 15,000 W engine to do 1,800,000 J of work? (Power: P = W/t) 0.008 s 8 s 120 s 1,785,000 s

Thepotemich [5.8K]

By definition, the power is given by:
$P = \frac{W}{t}$
By definition, the power is given by:
Where,
W: Work done
t: time
Clearing the time we have:
$t = \frac{W}{P}$
Substituting values we have:
$t = \frac{1800000}{15000}$
Making the corresponding calculations we have:
$t = 120s$
Answer:
is needed for a 15,000 W engine to do 1,800,000 J of work about:
$t = 120s$

7 0

3 years ago

Read 2 more answers

F(x)=-4x - 10 find x when f(x)=10

BARSIC [14]

Answer:

-40

Step-by-step explanation:

f(10)=-4(10)

f(10)=-40

4 0

3 years ago

2(3x-5) equal or less than to 14

AnnZ [28]

Answer:

Step-by-step explanation:

Less than

8 0

3 years ago

A parallelogram has side length of 9x+12 and 3x-4.what is the perimeter ?

Karo-lina-s [1.5K]

2(9x+12) + 2(3x-4)
because there are four sides, and it is a parallelogram, the opposite sides are equal. the answer is 24x+16

7 0

2 years ago