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ICE Princess25 [194]
2 years ago
5

6. Which of the following expressions does NOT represent the area 4 of the

Mathematics
1 answer:
Genrish500 [490]2 years ago
8 0

Answer:

gfhdjskla

Step-by-step explanation:

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What’s the answer for x??
zubka84 [21]

Answer:

3x+85= 21

or, 3x= 85- 21

or, 3x= 64

or,x= 64/3

;. x= 21.3

Step-by-step explanation:

the value of x is 21.3

8 0
3 years ago
Please help with 1-9<br> 43 points
Paul [167]

Remark

I'll do two from each group, leaving you with 1. I just leave the answer for the one I don't do or a hint it it is long. That's more than we are instructed to do (which is three parts per posted question).

One

Two ratios form a proportion because they both equal the same thing when you reduce them to the point where the ratios are prime to each other.

3/4 = 12/16

3/4 can't be reduced any further. When both 12 and 16 are divided by 4, the result is 3/4

Two

<em><u>Formula</u></em>

Sale Price/Original Price = 3/4

<em><u>Solve</u></em>

Sale Price / 64 = 3/4           Multiply both sides by 64

Sale Price = (3/4)*64

Sale Price = 48

Three

682 Trillion atoms of hydrogen.

Four

<em><u>Formula</u></em>

rotations / 40 seconds = rotations / second

<em><u>Solve</u></em>

2000 / 40 seconds = rotations / 1 second    Just divide

50 rotations/1 second = rotations / second.

Five

<em><u>Formula</u></em>

Herd of cows / Total pounds of milk = 1 cow / pounds of milk

<em><u>Given</u></em>

Herd = 12

pounds total = 224998

<em><u>Solve</u></em>

12/224998 = 1 / x             Cross multiply

12x = 224998

x = 18750 pounds of milk for 1 cow.

Six

0.5 m in 1 second.

Seven

<em><u>Formula</u></em>

Pages / hour = pages / minute

pages / hour = 4.5

1 hour = 60 minutes.

<em><u>Solve</u></em>

4.5 / 1 hour. But 1 hour = 60 min

4.5 pages / 60 min = 0.075 pages per minute.

Note this is not a true proportion. You just have to know how it is done.

Eight

This is also not a true proportion. The best way to do this is called unit analysis.

\dfrac{18feet}{2seconds} * \dfrac{1 mile}{5280 feet}\dfrac{3600sec}{1hour}

Each set of units on the right will cancel with a set of units on the left until all that you area left with is miles / hour. Then just multiply the numerator numbers together and denominator numbers together.

numerator: 18 * 1 * 3600 = 64800

denominator: 2 * 5280 * 1 = 10560

Now divide the numerator by the denominator.

answer: numerator/denominator = 64800/10560 = 6.14 miles per hour.

Nine                                              

Note: there are 1760 yards in a mile.

1 gallon will take you 32000 yards or 18 miles. Do this the same way eight was done.

7 0
3 years ago
Read 2 more answers
What is 4567876543345678765434678976543456876543*7576575675675*09*6865676*0*565545552651273652135*5272526*62526535*526242534546*
KatRina [158]
<span>4567876543345678765434678976543456876543*7576575675675*09*6865676*0*565545552651273652135*5272526*62526535*526242534546*786743165461354*653654264*751*1*5*7562756565464654+10 =  10


it took me awhile but that's what i got.

</span><span>
</span>
7 0
3 years ago
Read 2 more answers
Which system of equations has the same solution as the system below? 3x+3y=8 and 2x-y=5
skad [1K]
3x+3y=8                     2x-y=5

y=-x+8/3                    y=2x-5




4 0
3 years ago
Read 2 more answers
I need help what is a divided by the power of 2 with 5 when you multiple by pie
Inga [223]

Answer:

5x to the 3rd of 1/2 so add A to B and divide the counter to the table cloth and get 16.

Step-by-step explanation:

4 0
3 years ago
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