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Serggg [28]
3 years ago
15

Evaluate 3.6x + 4.5y when x=3 and y=7

Mathematics
2 answers:
r-ruslan [8.4K]3 years ago
8 0

Answer:

42.3

Step-by-step explanation:

Ilya [14]3 years ago
5 0
The answer is 42.3


Step by Step:

Let our variable be n, standing for number.

3.6(x) + 4.5(y) = n
3.6(3) + 4.5(7) = n
10.8 + 31.5 = n
n = 42.3

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Interpreting Solutions:
Darina [25.2K]
We have that
solution is
x <-10 or x>=25

for
x < -10
the solution is the interval (-∞, -10)

and 
for 
x>=25
the solution is the interval [25,∞)

therefore
the solution for
x <-10 or x>=25
is
(-∞, -10)  ∪ [25,∞)

<span>the solution is any value of x less than -10 or greater than or equal to 25</span>
6 0
3 years ago
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Simplify:(4x2 - 2x) - (-5x2 - 8x)
Marysya12 [62]

Answer:

4x2+5x2-2x+8x=9x2+6x

Step-by-step explanation:

7 0
3 years ago
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A clothing company sells slacks that are either blue or gray and pleated or non-pleated. Last month, the company sold 5 times as
abruzzese [7]

Answer:

88

Step-by-step explanation:

5GP= BP

2BNP= GNP

BP+BNP=333

GP+GNP=225

BNP= 333-BP

BNP= 333-5GP

GP= 225-GNP

GP= 225-2BNP

BNP=333-5(225-2BNP)

BNP=333-1125+10BNP

-9BNP=-792

BNP=88

Hope it helps :)

Mark Brainliest if possible.

7 0
3 years ago
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A manufacturer of computer logic boards is changing to a new model. The amount of time to setup for the new logic boards is
natima [27]

Answer:

1.5 batches take 12.375 hour

Step-by-step explanation:

The first batch takes 10.5 hours, meaning only .5 batches are left. You then take the time that each new full batch takes (4.25) and divide it by 2 as you only need half of one batch. Meaning 0.5 of a batch takes 2.125 hours. You then take the time of the two batches (10.5, and 2.125) and add them, leaving you with 12.625. Meaning 12.375 is the most viable answer.

4 0
2 years ago
A 2-quart carton of pineapple juice costs $5.28. what is the price per cup
ololo11 [35]

Answer:

$0.66 per cup

Step-by-step explanation:

There are 8 cups in 2 quarts, so 5.28/8 is $0.66 per cup.

7 0
1 year ago
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