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prohojiy [21]
3 years ago
8

Evaluate xy + 9, if x = 7 and y = 9.

Mathematics
1 answer:
Nataly_w [17]3 years ago
7 0
Hi there! We know that x=7 and y=9, so we are going to set up a problem. The problem is going to be 7*9+9. 7*9+9=72. Therefore, the answer is 72.
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Simplify 5/4 x -8y - 1/4x + 7y + 3
galina1969 [7]

Answer:

x-y+3

Step-by-step explanation:

5/4x-8y-1/4x+7y+3

5/4x-1/4x-8y+7y+3

4/4x=x

x-8y+7y+3

x-y+3

6 0
3 years ago
Cual es la raíz cuadrada de cuatro<br>​
AnnyKZ [126]

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Step-by-step explanation:

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5 0
4 years ago
Read 2 more answers
11 Pause
muminat

Answer:

Step-by-step explanation:

Given that:

Batting average = 0.25 after 160 times at bat;

Batting Average = Number of hits / number of times at bat

0.25 = number of hits / 160

Number of hits = 0.25 * 160 = 40

He want batting average to improve to 0.333 ; if he makes hit the next x times at bat ; number of hits is needed to improve batting average

Hence,

New average = number of hits / number of times at bat

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0.333 = (40 + x) / (160 + x)

6 0
4 years ago
Here is the picture
jeka94

Answer: It's the first option

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3 0
3 years ago
Plz help i will mark brainlist
vodomira [7]

Answer:

A

Step-by-step explanation:

4x +3y = 7.43

5x +2y = 7.03

8x +6y = 14.86

-15x -6y = -21.09

-7x = -6.23

x = 0.89

The answer is A

5 0
3 years ago
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