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Ket [755]
3 years ago
15

Simplify 2√28 - 3√63. I will give BRAINLIEST!

Mathematics
1 answer:
Fofino [41]3 years ago
3 0

2\sqrt{28}-3\sqrt{63}=2\sqrt{4\cdot7}-3\sqrt{9\cdot7}=4\sqrt7-9\sqrt7=-5\sqrt7

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When x = -3 on the graph of y = 2|x| + 3 what will be the y-coordinate?
SCORPION-xisa [38]
Substitute -3 into the equation

y = 2|x| + 3
y = 2 (3) + 3
y = 6 + 3
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Answer D
5 0
3 years ago
The product of two positive consecutive odd integers is 2703. What are the positive numbers?
liberstina [14]

Answer:

The positive numbers are 51 and 53

Step-by-step explanation:

Let first odd integer be x and another odd integer is (x+2).

According to the given condition,

The product of two positive consecutive odd integers is 2703 i.e.

x(x+2) = 2703

x^2+2x-2703=0

It is a quadratic equation. It can be solved as follows :

x = 51 and x = -53

Neglecting negative sign,

The first number = 51

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Hence, the positive numbers are 51 and 53.

7 0
2 years ago
If there are 46 scores in a set of data, in which position will the lower quartile lie
Eva8 [605]

Answer:

Position 12.

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That is in position 12.

3 0
3 years ago
Please Help,
SVETLANKA909090 [29]
Its maybe Find the area of the shaded portion sorry it’s wrong I tried my best
5 0
2 years ago
PLEASE HELP! 48 POINTS!<br><br><br><br><br> show your work
kolezko [41]

Answer:

a.  4y =12x  the constant of variation is 3

Step-by-step explanation:

The equation for direct variation is y=kx

a.  4y =12x

 Divide each side by 4

4y/4 = 12x/4

 y = 3x

This is direct variation and the constant is 3


Equations b ,c, d  all have a constant added which make them something other than a direct variation

4 0
3 years ago
Read 2 more answers
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