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2 years ago

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two mechanics worked on a car . the first mechanic worked 20 hrs and the second worked 15 hrs. together they charged a Total of

$1650. what was the rate charged per hour for each menchanic if the sum of the two rates was $95per hour

1 answer:

kogti [31]2 years ago

7 0

answer

20h = 942.857

15h= 707.14

Step-by-step explanation:

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Which of these intervals has an average rate of change that is less than 1/4

RideAnS [48]

Answer:

Interval [b,c] and interval [c,d]

Step-by-step explanation:

a(-5,0)

b(-1,2)

c(4,3)

d(11,4)

The average rate of change is the the total rise over the total run.

The Rise means the vertical increase and the Run means horizontal incease.

For interval [a,b]

rate of change is $\dfrac{2-0}{-1-(-5)}=\dfrac{2}{4}=\dfrac{1}{2}$

For [b,c]

$\frac{3-2}{4-(-1)}=\frac{1}{5}$

For [c,d]

$\dfrac{4-3}{11-4}=\dfrac{1}{7}$

8 0

2 years ago

To graph the equation 2x + 5y = 10, Zeplyn draws a line through the points (5, 0) and (0, 2). What is the slope of the line repr

BARSIC [14]

Hi there! The slope of the line is -2/5.

We can determine the slope of a line by dividing the change of y-coordinates by the change of x-coordinates.

In this situation we have a...
change of x-coordinates of (5 - 0) = 5
change of y-coordinates of (0 - 2) = -2

Therefore, the slope of this line is -2/5

6 0

3 years ago

WILL GIVE BRAINLIEST!!!!!!

Dahasolnce [82]

<h2>Greetings!</h2>

Answer:

x = 67.5

Step-by-step explanation:

Because AB and NP lines are parrallel, we can find out the scale factor by dividing size MA by MN.

This works because you find out what the MA size has to be multiplied to to get to MN, which will also work in reverse to find angle MB from MP.

71.5 - 22 = MA = 49.5

71.5 ÷ 49.5 = $\frac{13}{9}$

So to get to line MP length, line MB had to be multiplied by $\frac{13}{9}$ to get 97.5

The reverse of this is dividing 97.5 by $\frac{13}{9}$ :

97.5 ÷ $\frac{9}{13}$ = 67.5

So x = 67.5

<h2>Hope this helps!</h2>

4 0

3 years ago

The triangle shown below has an area of 10 units2.<br> Find x.<br> 7<br> 4<br> x<br> units

SVEN [57.7K]

Answer:

<h3>x = 5 units</h3>

Step-by-step explanation:

area of a triangle = 1/2 base * height

where area = 10 units²

height = x units

base = 4

<u>plugin values into the formula:</u>

10 = 1/2 * 4 * x

x =<u> 10 (2) </u>

4

x = 5 units

3 0

3 years ago

Onya selected a pair of shoes for the regular price of $80. How much money will she save by using the 20% off coupon? Justify yo

professor190 [17]

Answer:

a. $Savings = \$16$

b. $Price = \$96$

Step-by-step explanation:

Solving (a):

$Price = \$80$

$Coupon = 20\%$

Required

Determine her savings.

$Savings = Coupon * Price$

$Savings = 20\% * \$80$

$Savings = \$16$

Solving (a):

$Price = \$120$

$Coupon = 20\%$

Required

Determine the price before tax

First, we need to determine her savings

$Savings = Coupon * Price$

$Savings = 20\% * \$120$

$Savings = \$24$

The price before tax is calculated as follows:

$Price = \$120 - \$24$

$Price = \$96$

4 0

3 years ago