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slavikrds [6]
3 years ago
7

About how much money did the forth grade students raise? Explain.

Mathematics
1 answer:
ozzi3 years ago
5 0

(32x12) +(25x14)+ (18x14) + (47x12)=

384+350+252+564=$1,550 total raised

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which qaudratic equation is equivalent to (x+2)^2+5(x+2)-6=0 a. (u+2)^2+5(u+2)-6=0 where u=(x-2) b. u^2+4+5u-6=0 where u= (x-2)
Lisa [10]

Answer:

D

Step-by-step explanation:

Given

(x + 2)² + 5(x + 2) - 6 = 0

Using the substitution u = x + 2 , then the equation can be expressed as

u² + 5u - 6 = 0 → D

5 0
3 years ago
Plz answer its easy math.
Serga [27]
<h2>Greetings!</h2>

Answer:

B and E

Step-by-step explanation:

The rules of indicies states:

x^{a} ÷x^{b} = x^{a-b}

So 3^{-8} ÷  3^{-4} =  3^{-8 - - 4} =  3^{-4}

So that means B is one of the correct answers.

To find the other correct value, you can divide the two fractions as stated in the question:

3^{-8} by 3^{-4} = \frac{1}{81}

81 is equivalent to 3⁴

So that means E is also correct.


<h2>Hope this helps!</h2>
3 0
3 years ago
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If f (x) = mx+c, f(4) = 11 and f (5)=13 find value of m and c​
inysia [295]

m=2 and c=3

see the attachment for the detailed solution

8 0
2 years ago
7y ÷ 2 = -2 what does y equal
schepotkina [342]

Answer:

y=-4/7

Step-by-step explanation:

7y/2=-2

multiply both sides by 2

7y=-4

divide both sides by 7

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8 0
2 years ago
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Thepotemich [5.8K]

Answer:

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Step-by-step explanation:

4 0
2 years ago
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