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2 months ago

Guest #1258

2 months ago

Hello!

First you have to make the denominators the same

2/3 = 16/24

3/8 = 9/24

Now you subtract them

16/24 - 9/24 = 7/24

The answer is 7/24

Hope this helps!

First you have to make the denominators the same

2/3 = 16/24

3/8 = 9/24

Now you subtract them

16/24 - 9/24 = 7/24

The answer is 7/24

Hope this helps!

Question

A miner descended 1200 feet into a mine. While in the mine, he then rose 450 feet and then descended 150 feet. What was the miner's net gain or loss in altitude? 1500 ft 600 ft â€“1500 ft â€“900 ft

Solution 1

The net loss is 1150

Solution 2

So, let's solve it!

If he rose 450:

1200 + 450 = 1650

If he descended 150:

1650-150 = 1500

**1500 feet, his net gain is -300 feet, his loss is 300 feet**

If he rose 450:

1200 + 450 = 1650

If he descended 150:

1650-150 = 1500

Question

The volume of a solid is measured in units cubed. True False

Solution 1

Itâ€™s true. Hope this is correct

Solution 2

I think the answer would be true

Question

(-5)+(-2)+3 do the arrows correctly represent the numbers that Jessica is using in her expression

Solution 1

Will the answer to the expression is -4 but i don't see any arrowsÂ

Solution 2

If you answer the expression, -5 + -2 + 3, you'll get -4 but you didn't put any arrowsÂ

Question

Robinâ€™s scores: 99, 108, 102, 107, 119 Evelynâ€™s scores: 125, 137, 138, 145, 145 Find and compare the medians of the data sets. Do the medians support your conclusion that Robin is winning the game?

Solution 1

To find the median, just sort the numbers from least to greatest and find the number in the center.Â

Robin's scores: 99, 102, 107, 108, 119. Median is 107.Â

Evelyn's scores: 125, 137, 138, 145, 145. Median is 138.Â

The median from Evelyn's scores is greater than the median from Robin's. Therefore, the medians do NOT support the conclusion that Robin is winning the game.Â

Robin's scores: 99, 102, 107, 108, 119. Median is 107.Â

Evelyn's scores: 125, 137, 138, 145, 145. Median is 138.Â

The median from Evelyn's scores is greater than the median from Robin's. Therefore, the medians do NOT support the conclusion that Robin is winning the game.Â

Solution 2

**Answer:**

The median score for Robin is 107. The Median Score of Evelyn is 138. The medians are the same as the means, so the same conclusion that Robin is winning will be drawn.

**Step-by-step explanation:**

Question

2x-8 what is the answer

Solution 1

2x-8 if it means 2 times -8 then 2 times -8=2 time s8 times -1=16 times -16 if it is x is a placeholder then undistribute where ab+ac=a(b+c) so 2x-8 2(x)-2(4)=2(x-4) so the factored form is 2(x-4) there is no equation so we cannot solve for x 2x-8 could be equal to 3 or pi for all we know

Solution 2

The answer is x - 4.

You have to isolate the variable so you divide 2 from both sides leaving you with x - 4. Since you can't simplify it anymore, the answer will be x - 4. Hope I helped.

You have to isolate the variable so you divide 2 from both sides leaving you with x - 4. Since you can't simplify it anymore, the answer will be x - 4. Hope I helped.

Question

From a barrel of colored marbles , you randomly select 5 blue , 2 yellow , 3 red , 4 green , and 2 purple marbles. Find the expreimetal probability of randomly selecting a marble that is NOT yellow . 1. 9 / 16
2. 7 / 8
3. 8 / 9
4. 3 / 4

Solution 1

I think it's 7/8 because there's 16 marbles and 14 aren't blue so you have a 14/16 chance of not getting a yellow marble which simplifies to 7/8

Solution 2

**Answer:**

4/5

**Step-by-step explanation:**

From your experiment of drawing 20 marbles you now have a proportion of non-yellow marbles to total marbles and from that you can come up with an experimental probability that you'll draw a non-yellow marble. Â

P(not yellow) = 16/20 Â

But that can be reduced by dividing top and bottom by 4: Â

Question

An ice cream cone has a diameter of 2 inches and a height of 5 inches. What is the volume of the ice cream cone? Round your answer to the nearest hundredth. (Use 3.14 for Ï€.) 10.47 in.3
20.93 in.3
5.23 in.3
15.7 in.3

Solution 1

We know that

[volume of a cone]=(1/3)*pi*rÂ²*h

for r=2/2---> 1 in

h=5 in

[volume of a cone]=(1/3)*pi*1Â²*5-----> 5.23 inÂ³

**the answer is**

**5.23 in.3**

[volume of a cone]=(1/3)*pi*rÂ²*h

for r=2/2---> 1 in

h=5 in

[volume of a cone]=(1/3)*pi*1Â²*5-----> 5.23 inÂ³

Solution 2

To find the volume of the cone, you will use the formula for the volume of a cone and replace the r(radius and the h(height) with the given values.

V = 1/3 x pi x r^2 x h

Â Â Â 1/3 x 3.14 x 1^2 x 5

V = 5.2281Â

The volume is approximately 5.23 cubic inches.

V = 1/3 x pi x r^2 x h

Â Â Â 1/3 x 3.14 x 1^2 x 5

V = 5.2281Â

The volume is approximately 5.23 cubic inches.

Question

How many lines of symmetry does a regular polygon with 16 sides have

Solution 1

A** regular polygon** with 16 **sides **has a **line **of **symmetry**. It has 16 **lines **of **symmetry **as well.

**Apothem **for a **regular polygon** is a **line segment **that originates from the **center **of the **regular polygon** and touches the **mid **of one of the sides of the **regular polygon**.

It is **perpendicular **to the **regular polygon's **side it touches.

**Regular polygons** have all **sides **the same and that **apothem **bisects the **side **in two parts, (provable by **symmetry**).

A** regular polygon** with 16 **sides **has a **line **of **symmetry**.

It has 16 **lines **of **symmetry **as well.

Learn more about **apothem **here:

#SPJ2

Solution 2

16 lines of symmetry is what i got.

Question

Arrange these numbers from least to greatest: 2/5 5/7 4/9
A. 2/5 5/7 4/9
B.2/5 4/9 5/7
C.5/7 4/9 2/5
D.4/9 2/5 5/7

Solution 1

It's B cuz you can divide each fraction for instance 2/5 divide 2 âž— 5 it equals 0.4 but I turned it into 40% and that's how I found least to greatest

Question

-104=8x what is x ????

Solution 1

The final result is,Â

Solution 2

-104 = 8x. The x is being multiplied by 8, so to undo the multiplication divide both sides of the equal sign by 8. 8x/8 = x and -104/8 = -13 so x = -13.

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