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jek_recluse [69]
3 years ago
11

Hector must complete 40 community service hours in order to graduate from the eighth grade. So far, he has completed 1/5 of his

hours by working at a food bank and 10% of his hours volunteering at a hospital.
Which expression can Hector use to calculate the number of community service hours he has left to complete?
A) 40 (4/5) + 40 (0.9
B) 40 (1/5) +40(0.1)
C) 40 (1/5 + 0.1)
D) 40- ((40 x 1/5) + ( 0.1 x 40))
Mathematics
2 answers:
serious [3.7K]3 years ago
7 0
Well you really don't have to do any work, as you can see D) you have the 40 hours he need minus the one he already did. 40 - (food bank + hospital)

Answer: D)

Hope I helped
irinina [24]3 years ago
3 0

Answer:

d

Step-by-step explanation:

i just took that quiz:)

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PLEASE HELP! I will award brainliest to the most helpful answer. I need an in depth explanation, not just the answer. How do you
Svetradugi [14.3K]

Answer:

y ≤ -4x+25

Step-by-step explanation:

First we need to figure out the equation for the line

The y intercept is  25

Next figure out the slope

slope = (y2-y1)/((x2-x1)

      = (49-25)/(-6-0)

      = 24/-6

    = -4

The equation for a line in slope intercept form is y = mx+b

y = -4x+25

This is a solid line so our inequality will have an equals in it.

It is shaded below, so y is less than.

If it was shaded above, y would be greater than

y ≤ -4x+25

8 0
3 years ago
F(6)=2^6 what does f equal?
Korolek [52]
F(6)=2^6
F=2^6
The answer is 
F=64
7 0
3 years ago
Pleaseeeeee solveee 25 points pleaze help geometry
tatiyna

Answer:

(-3/2, 6)

Step-by-step explanation:

(-3,8) (6,-4)

As we move along the line segment with endpoints (-3,8) and (6,-4) from  (-3,8) to (6,-4) x increases by 9 units (from -3 to 6) and y decreases by -12 units (from 8 to -4).

for ratio of 1:5

Since 1+5=6, the point we are looking for is 1/6 of the way from (-3,8) to (6,-4).  

So, the desired point is

(-3 + (1/6)(9), 8 - (1/6)(12) )

= (-3 + 3/2 , 8 - 2)

= ( (-6 + 3)/2, 6)

= (-3/2, 6)

for map reference see the image below

8 0
3 years ago
Solve the equality, - (7c-18)-2c>0
Gwar [14]
(7c-18)-2c>0

group like terms: 7c-2c-18>0

add similar elements: 7c-2c=5c
5c-18+18>0+18

Add 18 to both sides
5c-18+18>0+18

simplify
5c>18

divide both sides by 5
5c÷5>18/5

simplify
c>18/5
7 0
3 years ago
What is the value of f(x)=x1/2+4 when x = 8?
kenny6666 [7]

Answer:

f(x)=8

Step-by-step explanation:

f(x)=(8)1/2+4 add and came up with f(x)=8.

8 0
2 years ago
Read 2 more answers
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