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Iteru [2.4K]
3 years ago
10

Someone painted 2/5 of a wall with 1/3 of a gallon of paint how much will they need to paint the rest of the wall? math problem

Mathematics
1 answer:
Allisa [31]3 years ago
7 0
2/5+1/3=3/8(paint)-rest
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John. wants to receive a 96% average on 4 math tests .So far he has taken 3 tests.His grades are 94%, 98%, and 98%. Write an equ
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John must recieve a 95% on his next test
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Which of the following tables shows the correct steps to transform x^2+6x + 8=0
Vlad1618 [11]
Perhaps the most concise way to factor is by "completing the square" which is how the quadratic formula is derived...

x^2+6x+8=0  move constant to other side, subtract 8 from both sides

x^2+6x=-8, halve the linear coefficient, square it, then add that to both sides, in this case (6/2)^2=3^2=9

x^2+6x+9=1  now the left side is a perfect square of the form

(x+3)^2=1  take the square root of both sides

x+3=±√1  subtract 3 from both sides

x=-3±√1

x=-3±1

x=-4 and -2

Since the zeros occur when x=-4 and -2 the factors of the equation are:

(x+2)(x+4)
7 0
3 years ago
Miguel sells a house for 275,000. His commission for the sale is 7,562.5
valentinak56 [21]

Answer:

2.75\%

Step-by-step explanation:

To find what percentage a certain value is of another value, simply divide the first value by the second, respectively.

We want to find want percentage that 7,562.5 is of 275,000. Therefore, we will divide 7,562.5 by 275,000 to obtain a decimal:

\frac{7,562.5}{275,000}=0.0275

To convert from a decimal to a percentage, multiply by 100:

0.0275 \cdot 100=\boxed{2.75\%}

7 0
3 years ago
The equation shows the relationship between x and y:
KatRina [158]
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y= the t intercept which is 1
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He is going up 5 spaces.
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