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ValentinkaMS [17]
3 years ago
6

Simplify the expression. −9(−2 − 8) + (−16) −8

Mathematics
2 answers:
Xelga [282]3 years ago
7 0

Answer:

66

Step-by-step explanation:

Open the parentheses, 18 + 72 - 16 - 8 = 66

PilotLPTM [1.2K]3 years ago
3 0

Answer:

90 + (16)  - 8

Step-by-step explanation:

-9 (-10) = 9 x 10 = 90

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The table below shows the monthly balances a person had on their credit card over a five-month period.
sweet [91]

Answer:

43 dollars

Step-by-step explanation:

to take the average we have to add up all the numbers and divide by 5 which is

215/5=43

if my answer helps please mark as brainliest.

4 0
3 years ago
A light aircraft travels 5 miles per hour less than twice the speed of a bus. If the bus can travel 114 miles in the same time i
Rufina [12.5K]
A represents the speed of the aircraft.
b represents the speed of the bus.

a=2b-5
114/b=218/a

Substitution method

114/b=218/(2b-5)

(2b-5)*(114/b)= 218

(228b-570)/b = 218

228b-570= 218b

228b-218b=570

10b= 570

b=57

Plug the value of b into one of the original equations.

a=2(57)-5
a=114-5
a=109

Final answer:
Average speed of plane= 109
Average speed of bus= 57
3 0
3 years ago
Ryan earns $20 for every lawn that he mows.<br> How much will Ryan earn if he mows 15 lawns?
Fiesta28 [93]

20*15=300

It's "too short", but there's not much else to say here.

6 0
3 years ago
Read 2 more answers
Please help for 20 points!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Lapatulllka [165]
0.125mm thickness of the cable
3 0
3 years ago
An employment agency specializing in temporary construction help pays heavy equipment operation $138 per day and general laborer
ki77a [65]
<h3>17 heavy equipment operators and 14 general labourers were employed</h3>

<em><u>Solution:</u></em>

Let x = number of heavy equipment operators employed

Then,

31 - x = number of laborers employed

From given,

Pay of heavy equipment operators = $ 138 per day

Pay of general labours = $ 93 per day

Payroll was $3648

Therefore,

number of heavy equipment operators x Pay of heavy equipment operators + number of laborers employed x Pay of general labours = 3648

138x + 93(31 - x) = 3648

138x + 2883 - 93x = 3648

45x = 3648 - 2883

45x = 765

x = 17

Thus,

31 - x = 31 - 17 = 14

Therefore, 17 heavy equipment operators and 14 general labourers were employed

6 0
3 years ago
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