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2 months ago

Guest #1626288

2 months ago

**Answer:**

5:2

**Step-by-step explanation:**

10:4=10/2:4/2=5:2

Question

Order the numbers from least to greatest. -4 1/2, -1/2, 1/4, 2/3, 2 1/3

Solution 1

**Answer:**

-4 1/2, -1/2, 1/4, 2/3, 2 1/3

**Step-by-step explanation:**

**they were already in order lol**

Solution 2

**Answer:**

1/4,2/3,1/2,2 1/3,4 1/2

**Step-by-step explanation:**

Question

Is 1/1 a positive fraction?

Solution 1

Yes it is positive because there is no negative signÂ

Solution 2

Yes 1/1 is a positive fraction

Question

Shiloh's basketball team won 9 games this season and lost 5 games. Write the ratio of wins to total games in simplest form.

Solution 1

**Answer:**

the answer is 9:5

Question

Write 2350 million in standard form.
Write 25 x 10^6 in standard form.

Solution 1

**Answer: 2350 million**

**2,350,000,000**

**2.35 x 10 to the power of 9**

**Step-by-step explanation:**

Question

4a - 3(a - 2) = 2(3a - 2)

Solution 1

**Answer:**

I got A= -2/5

**Step-by-step explanation:**

**4a-3(a-2)=2(3a-2)**

** 4a -3a -6=6a-4**

**1a-6=6a-4**

**-1a Â Â -1a**

-6=5a-4

+4 Â Â +4

-2 =5a

Â 5 Â Â 5

A= -2/5

Hope my answer has helped you and if not I am sorry.

Solution 2

Answer:

a = 2

Step-by-step explanation:

4a - 3a + 6 = 6a - 4

a + 6 = 6a - 4

+4 +4

a + 10 = 6a

-a -a

10 = 5a

-----------

5

2 = a

Question

The width of a rectangle is one third of the length. If the perimeter is 96 cm, what is the width?

Solution 1

**Answer:**

The width is 12cm and the length is 8cm

**Step-by-step explanation:**

Question

- Simplify the expression.
(3-i) - (2 +6i)
1-7i
-1 + 7i
-6i
5+5i

Solution 1

(3-i) - (2 +6i)

Combine like terms:

3-2 = 1

-i Â - Â 6i = -7i

Combine to get **1 -7i**

Question

If f(x) = 2x â€“ 4,find f-1(x)
Answer

Solution 1

**Answer:**

f-1(x) = (x+4) / 2

**Step-by-step explanation:**

given f(x) = 2x â€“ 4

let y = f(x) and rearrange to express x in terms of y

y = 2x â€“ 4 Â (add 4 to each side)

y + 4 = 2x (divide both sides by 2)

(y+4) / 2 = x (rearrange)

x = (y+4) / 2

f-1(y) = (y+4) / 2

hence

f-1(x) = (x+4) / 2

Question

What is the justification for the step taken from line 2 to line 3? 5 lines of math. The first line has, 3 x plus 9 minus 7 x equals x plus 10 plus x. The second line has, negative 4 x plus 9 equals 2 x plus 10. An arrow pointing from the front of the second line to the front of the third line. The third line has, negative 6 x plus 9 equals 10. The fourth line has, negative 6 x equals 1. The last line has x equals negative StartFraction 1 Over 6 EndFraction.

Solution 1

**Answer:**

the subtraction property of equality

**Step-by-step explanation:**

up up up uppity

Solution 2

**Step-by-step explanation:**

- In the
**line 2**,**only variables were operated with a reduction of similar terms in each side of the equation**, giving as result -4x at one side, and 2x at the other side. - In the
**line 3,**terms with**variables were joined together in one side of the equation**, and then, they**were operate it,**given as result -6X.

Question

What is the midpoint between (-8, 5) and (2, -2)? (-5, 1.5)
(-5, 3.5)
(-6,3)
(-3,1.5)

Solution 1

**Answer: LAST OPTION.**

**Step-by-step explanation:**

For this exercise you need to use the following formula to find the midpoint:

Given these points:

You can identify that:

Then, knowing these values, you can substitute them into the formula shown before:

Evaluating, you get that the midpoint is:

This matches with the last option.

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