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Setler [38]
3 years ago
5

Help, Help, Help, Help, Help,

Mathematics
1 answer:
gladu [14]3 years ago
8 0
Answer : y = f(x) = log4 x
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Peyton’s field hockey team wins 4 games out of every 7 games played. Her team lost 9 games. Set-up and solve a proportion that f
Yuliya22 [10]
4/7=9/x
Explanation: I don’t know I think this is right but correct me if I’m wrong
5 0
3 years ago
7x-5=8(x*3) what value of x makes this equation true
hram777 [196]

The given equation is:

\displaystyle 7x-5=8(x+3)

The first step you need to do is open the parentheses and distribute the 8 to x+3. It will be 8 times x and 3 times x.

8(x+3)=8 \times x+ 8 \times 3\\\\8 \times x=8x\\8 \times 3=24

8(x+3) \rightarrow 8x+24

Rewrite the equation:

7x-5=8x+24

Now you need to move one of the variables to the other side.

If you move 7x to the other side, then:

You can move the variable by doing the opposite of it. Since 7x is positive, you can move it by subtracting 7x, which is negative. Subtract 7x on both sides:

7x-5-7x=8x+24-7x\\-5=x+24

Now you need to leave x alone. x is being added to 24, so remove it by subtracting both sides by 24. Remember that when you're subtracting from a negative number, you're actually adding while keeping the negative sign.

-5-24=x+24-24

Subtract:

\bf-29=x

If you move 8x to the other side, then:

8x is positive, so you can move it by subtracting 8x, which is negative. Subtract 8x on both sides:

7x-5-8x=8x+24-8x\\-x-5=24

You need to leave the variable alone, so move -5 to the other side. You can do this by adding 5 to both sides.

-x-5+5=24+5\\-x=29

Lastly, x is negative, but you're looking for the value of positive x. Divide both sides by -1 to remove the negative sign.

\displaystyle \frac{-x}{-1} =\frac{29}{-1}

Remember that a positive number divided by a negative number is negative. Divide:

\bf x=-29

The answer to your question is x = -29.

8 0
2 years ago
Read 2 more answers
Store K sold 48 pairs of shoes this month of the sale,
sladkih [1.3K]

Step-by-step explanation:

this month-100 percent

then previous month 100-20=80 percent

so

if 48=100percent

then x=80percent

x=(80×48)/100

x=38.4 ≈ 38 pairs if shoes

8 0
3 years ago
Please Help Soon! A 4-foot by 8-foot rectangular piece of plywood will be cut into 4 congruent rectangles with no wood left over
laiz [17]

Answer: 6 feet

Step-by-step explanation:

Given that a 4-foot by 8-foot rectangular piece of plywood will be cut into 4 congruent rectangles with no wood left over and no wood lost due to the cuts

Let assume that the 4 rectangles will be of the same area since they are congruent.

The area of the big rectangle will be

Area = 4 × 8 = 32

Divide 32 by 4

32/4 = 8

Suggest the two possible numbers in which their product will be equal to 8

4 and 2 or 8 and 1

If 4 and 2

The perimeter = 2L + 2B

Substitute the 4 and 2 into the formula

Perimeter = 2(4) + 2(2)

Perimeter = 8 + 4

Perimeter = 12

If 8 and 1

Perimeter = 2(8) + 2(1)

Perimeter = 16 + 2 = 18

The positive difference, in feet, between the greatest possible perimeter of a single piece and the least possible perimeter of a single piece will be:

18 - 12 = 6 feet

6 0
2 years ago
Find a statement that is equivalent to the absolute value equation |9x−9|=7.
Olegator [25]

Answer:9x-9=7 or 9x-9=-7

Step-by-step explanation:

An absolute value is the distance from zero, therefore the answer can not be negative. In this case, 9x-9=7 and 9x-9=-7 both work, because 7 and -7 are the same distance from zero.

8 0
3 years ago
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