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Lelu [443]
2 years ago
11

HELP IN THE ENST % MINUTES AND ILL MARK YOU BRAINLY

Mathematics
2 answers:
PIT_PIT [208]2 years ago
6 0
Y=21 and x=8

27+3y=90
3y=63
y=21

90+x+(8x+18)=180
108+9x=180
9x=72
x=8
BabaBlast [244]2 years ago
4 0

Answer:

y=51 x=8

Step-by-step explanation:

if your in a rush I'll explain later

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Cost per mile is calculated by dividing total cost by total miles. Using the notation P = cost per mile, C = total cost, and M =
lutik1710 [3]
Cost per mile P- total cost (C) divided by total miles (M). 
P= C/M
6 0
3 years ago
Read 2 more answers
Which fraction is greater than 3/5<br><br> 4/6<br><br> 6/12<br><br> 3/8<br><br> 4/10
Ulleksa [173]

Answer:

a.) 4/6

Step-by-step explanation:

3/5 = .6

<u><em>4/6 = .666666666667</em></u>

6/12= 0.5

3/8= .375

4/10= .4

8 0
3 years ago
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Which of the following are factors of x^2+5x+4
soldier1979 [14.2K]

Answer:

(x + 4) and (x + 1)

Step-by-step explanation:

x² + 5x + 4

Consider the factors of the constant term (+ 4) which sum to give the coefficient of the x- term (+ 5)

The factors are 4 and 1 , since

4 × 1 = 4 and 4 + 1 = 5 , then

x² + 5x + 4 = (x + 4)(x + 1) ← in factored form

3 0
2 years ago
Which equation shows an example of the associative property of addition? (–7 i) 7i = –7 (i 7i) (–7 i) 7i = 7i (–7i i) 7i × (–7i
mr Goodwill [35]

The equation which shows the associative property of addition is; (–7 + i) +7i = –7 (i +7i).

<h3>What is the associative property of addition?</h3>

Associative property of addition postulates that Changing the grouping of addends does not change the sum of the numbers. As an instance, ( 5 + 3 ) + 4 = 5 + ( 3 + 4 )

Consequently, the equation which shows the associative property of addition is; (–7 + i) +7i = –7 (i +7i)

Read more on associative property of addition;

brainly.com/question/2284106

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5 0
2 years ago
Help please with this math question
Svetllana [295]
If the new technology innovation improves the production by 10%, they are increasing the amount of cars made by 10%.

Originally, 120 cars were made per day.

10% of 120 is 12.

Since the amount of cars made per day was increased by 12, we can add 12 to 120 to get 132 cars made per day (as the new unit rate).

The question asks how many cars can be produced in 5 days (after the car production increase). We can get the answer by multiplying our new daily amount of cars by 5: 132 times 5.

132 times 5 = 660

So, 660 cars can be produced in the factory in 5 days.
5 0
1 year ago
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