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2 years ago

a number is multiplied by 8 and that product is added to 2. The sum is equal to the product of 2 and 25 . Find the number

Mathematics

1 answer:

pickupchik [31]2 years ago

8 0

Answer:

Step-by-step explanation:

So we have a number (let's call it x) and it was multiplied by 8 and added by 2. Therefore:

$8x+2$

And we are told that the sum is equal to the product of 2 and 25 (or 50). Thus:

$8x+2=50$

To find the number, we just need to find x. Thus, subtract 2 from both sides:

$8x=48$

Divide both sides by 8:

$x=6$

And we're done!

So, our original number was 6.

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A wave has a maximum at 2 and a midline at y equals 0.5 what is the minimum?<br>answer<br>

frez [133]

Answer:

-1

Step-by-step explanation:

The midline is the average of the maximum and minum.

0.5 = (y + 2) / 2

1 = y + 2

y = -1

The minimum is at y=-1.

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3 years ago

Find the angle x (in degrees) that the wheelchair ramp makes with the ground.

iogann1982 [59]

Answer:

x=175

Step-by-step explanation:

The sum of all the degrees in a triangle is 180. First, you have to rind what the third degree of the triangle is. We will call this y.

85+90+y=180

175+y=180

y=5

The floor is flat, so it will be 180 degrees, therefore, x+y=180. We can substitute 5 in for y, so 5+x=180.

So, x would be 175.

8 0

3 years ago

A snowmaking machine makes 3/4 inch of snow each minute. How many inches of snow can the machine make in 8 minutes?

Mnenie [13.5K]

Answer:

Step-by-step explanation:

8 minutes × (¾ inch)/minute = 8×¾ inches = 6 inches

3 0

2 years ago

Determine which of the lines are parallel and which of the lines are perpendicular. Select all of the statements that are true.

grandymaker [24]

Answer:

Lines a and b are parallel

Lines a and c are perpendicular

Lines d and c are perpendicular

Step-by-step explanation:

we know that

The formula to calculate the slope between two points is equal to

$m=\frac{y2-y1}{x2-x1}$

Part 1) Find the slope of Line a

we have the points

(-3,4) and (3,6)

substitute in the formula

$m=\frac{6-4}{3+3}$

$m=\frac{2}{6}$

simplify

$m_a=\frac{1}{3}$

Part 2) Find the slope of Line b

we have the points

(-10,-3) and (-8,3)

substitute in the formula

$m=\frac{3+3}{-8+10}$

$m=\frac{6}{2}$

$m_b=3$

Part 3) Find the slope of Line c

we have the points

(0,5) and (3,-4)

substitute in the formula

$m=\frac{-4-5}{3-0}$

$m=\frac{-9}{3}$

$m_c=-3$

Part 4) Find the slope of Line d

we have the points

(4,-7) and (13,-4)

substitute in the formula

$m=\frac{-4+7}{13-4}$

$m=\frac{3}{9}$

simplify

$m_d=\frac{1}{3}$

Part 5) Compare the slopes

Remember that

If two lines are parallel then their slopes are the same

If two lines are perpendicular then their slopes are opposite reciprocal

we have

$m_a=\frac{1}{3}$

$m_b=3$

$m_c=-3$

$m_d=\frac{1}{3}$

therefore

Lines a and b are parallel (slopes are equal)

Lines a and c are perpendicular (slopes are opposite reciprocal)

Lines d and c are perpendicular (slopes are opposite reciprocal)

6 0

3 years ago

CAN SOMEONE HELP ME FIND THE CIRCUMFERENCE

aleksandrvk [35]

Tbh idk all I got was 51.496 I’m dumb i just want points ^_^

7 0

3 years ago

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