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alukav5142 [94]
2 years ago
11

Write an algebraic expression to represent the pay (in dollars) for working "x" hours at a rate of eight dollars and seventy-fiv

e cents per hour.A) 8.75xB) 875xC) 8.75xD) 875x
Mathematics
2 answers:
Sophie [7]2 years ago
4 0
The answers A 8.75 because 8 dollars = 8.00 and seventy five cents is .75 and 8.00+0.75= 8.75
Olenka [21]2 years ago
3 0

Step-by-step explanation:

Hours worked = X

Money earned per hour = $8.75

Your answer would be A.

E.g.) Say that there is another part to this question.

  You work for 3 hours, how much money would you earn after three hours? Use your equation "8.75x"

We know that "x" is equal to the hours worked, so plug in 3 for x.

8.75x = 8.75 *x

8.75 * 3= 26.25

So, if  you worked 3 hours, your total pay would be $26.25 (Note: this is not part of your answer, just an example to show you how equations work)

Hope this helps :)

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Use slopes and y-intercepts to determine if the lines 5x-5y=-2 and -x+2y=4
HACTEHA [7]

The given pair of lines are not perpendicular.

<h3>What is a line?</h3>

The line is a curve showing the shortest distance between 2 points.

5x - 5y = -2 - - - - - (1)
Transform the equation into standard form,
5x + 2 = 5y
y = 5x /5 + 2/5
y = x + 2/5


The slope of equation 1 is m_1 = 1  and intercept c = 2 / 5


Similarly
x + 2y = 4    - - - - - - - -(2)
Transform it into standard form
y = -x/2 + 4 /2
y = -x / 2 + 2


Slope of the equation 2  m_2= -1 / 2 and intercept c = 2
Slope of line 1 * slope of line 2 = 1 * -1/2 = -1/2


Since the lines are not perpendicular because the pair of lines does not satisfy the property of perpendicular lines i.e
m_1*m_2 = -1

Thus, the given pair of lines are not perpendicular.

Learn more about lines here:

brainly.com/question/2696693

#SPJ1  

6 0
1 year ago
How do you do this question?
Step2247 [10]

Answer:

D

Step-by-step explanation:

f(x)=(x-1)(x^2+2)^3\\f'(x)=(x-1)*3(x^2+2)^2*2x+(x^2+2)^3*1\\f'(x)=6x(x-1)(x^2+2)^2+(x^2+2)^3\\f'(x)=(x^2+2)^2[6x^2-6x+x^2+2]\\f'(x)=(x^2+2)^2(7x^2-6x+2)\\D

7 0
3 years ago
Pls help me thanks :)
Lesechka [4]
Answer:
Do 7 -divided by- 1/2



Step-By-Step Explanation

If you do that u will get ur answer.
6 0
3 years ago
What is the equation in point-slope form if a line that passes through points (3,-5) and (-8,4)?
nignag [31]

The slope-point formula:

y-y_1=m(x-x_1)\\\\m=\dfrac{y_2-y_1}{x_2-x_1}

We have (3, -5) and (-8, 4).

Substitute:

m=\dfrac{4-(-5)}{-8-3}=\dfrac{9}{-11}=-\dfrac{9}{11}\\\\y-4=-\dfrac{9}{11}(x-(-8))\\\\y-4=-\dfrac{9}{11}(x+8)\to C)

3 0
3 years ago
Nia has number cards 2,3,8,9, and 5 . What are the different way bus can arrange the cards to show only even numbers with 2 in t
zhuklara [117]
There are 6 different ways:

23,598
23,958
25,398
25,938
29,538
29,358

8 0
3 years ago
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