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9966 [12]
3 years ago
11

Select all of the expressions that are equivalent to -7.

Mathematics
1 answer:
Ivanshal [37]3 years ago
6 0

Answer:

the answers that are equivalent are a, b, and e

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Lin's Job pays $8.25 an hour plus $10 of transportation allowance ench week. She has to work at least 5 hours a work to keep the
marshall27 [118]

Answer:

x ≥ 5, 8.25x + 10 = 175, and x = 20 hours.

Step-by-step explanation:

Let Lin works x hours per week.

Now given that Lin’s job pays $8.25 an hour plus $10 of transportation allowance each week.

And she has to work at least 5 hours a week to $175 per week.

So, the inequality that can be written from the above condition is x ≥ 5 .......(1)

And the equation that can be written that  

8.25x + 10 = 175 ....... (2)  

Now, fro equation (2) we can write x = 20 hours which satisfies equation (1).

5 0
3 years ago
The amount of time (in hours) that Sam studied for an exam on each of the last five days is given below. 1.7 7.7 8.3 1.6 5.1 Fin
____ [38]

Answer:

The mean is 4.88 hours / day

Step-by-step explanation:

To calculate the mean we just add the values and divide by the number of items (in this case we add the hours and divide by the number of days)

so the equation would be

\frac{1.7+7.7+8.3+1.6+5.1}{5}=4.88

5 0
3 years ago
which of the following are the dimensins of a rectangle that has a perimeter of 148 and an area of 144
atroni [7]
The dimensions are 72x2
Because 72*2=144 & 72+72+2+2=148
Your'e Welcome!! 
Hopefully this is Brainliest worthy!!

8 0
3 years ago
How to write 6.7 different ways
brilliants [131]
6.7
6 7/10
(You can do an infinite amount with fractions)
Six and seven tenths

3 0
3 years ago
Solve the system by the elimination method.
NikAS [45]
     2x+3y-10=0    (1)
+
     4x-3y-2=0       (2)
    ____________
     6x    -12=0      (if you just want the resulting equation. It is 6x-12=0)
               x=2 
take x=2 and put it into equation (2)
4(2) -3y -2=0
-3y= 2-8 
   y= 2
(x=2,y=2)
5 0
3 years ago
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