Mathematics College

-12(5/6a-7/8)+1/14(3 1/2a-1 2/5)

Answers

Answer 1
-12(5/6 a -7/8) + 1/14(3 1/2 a- 1 2/5)

First change mixed fractions to be full fractions

-12(5/6 a -7/8) + 1/14 (7/2 a - 7/5)

Now multiply out

-12(5)/6 a -12(-7)/8) + 7/14(2) a -7/14(5)
-60/6 a + 84/8 + 7/28 a -7/70
-10a + 10.5 + 1/4a - 1/10
-10a + 0.25a +10.5 -0.1
-9.75a + 10.4

*if this =0 and you need to solve for a then
9.75a=10.4
a= 10.4/9.75
a=16/15

Related Questions

HELP !!

Find x. Round to the nearest tenth.
27
26.2

Answers

Answer:

x= 14.0 (nearest tenth)

Step-by-step explanation:

Please see the attached picture for the full solution.

Can you pls pls help me

Answers

Answer:

I might what do you need help with?

Step-by-step explanation:

Help pls what is the relationship between work hours and total money earned

Answers

Answer: the correct answer would be B

Step-by-step explanation:

The increase is by 11 dollars an hour so b is your answer.

The automobile insurance
company receives 18 calls in 6
hours. How many calls do they
received in 11 hours?

Answers

Answer:

33

Step-by-step explanation:

An easy way to do this is create a proportion.

[tex]\frac{18}{6} = \frac{x}{11}[/tex]

Keep in mind you could also write this equation as  [tex]\frac{6}{18} = \frac{11}{x}[/tex] as long as you are consistent. The number of calls should be in the same place and the hours should also be in the same place (either the numerator or denominator).

Next, just cross multiply.

6x = (18)(11)

6x = 198

x = 33 calls

Answer:

They would get 33 calls!

Step-by-step explanation:

Hope this helps!

Two similar squares are in a ratio of 3:5. If a side of the larger square is 35 inches, what is the measure of a side of the smaller square?

Answers

In my opinion the answer to this question is 21

When 2(3/5x+2 3/4y- 1/4x -1 1/2y+3) is
is simplified, what is the resulting expression?

Answers

Hopes this helps:

Answer: 2(7x/20 + 5y/4 + 3)
2(7x/20+5y/4+3) should be correct

Find the area of the shaded polygons



Answers

Explanation is in a file

Answer:

4 sq un

Step-by-step explanation:

There are how many halves in 2 1/2

Answers

Answer:

there are 5 halves in 2 1/2

Answer:

5

Step-by-step explanation:

1/2 +1/2 = 1

a cylinder has a base diameter of 20 centimeters and a height of 14 centimeters what is the volume in cubic meters to the nearest tenths place ​

Answers

Answer : V≈4398.23cm³

i am feeling generous so I am giving away points to anyone who answers this easy question what is 10÷x+10×10+x-3x if x=0.111111111​

Answers

Answer:

189.77777867

Step-by-step explanation:

10/.111111111+10x10+.111111111-3(.111111111)

189.77777867

I know this was just for points but...

Hope this kind of helped if you actually needed the question answered and have a fantastic day C:

189 I hope that helps you

Will give brainly if answer is right

Answers

Answer:

I got 17.99 inches

Answer:

18 ft (it's correct)

Step-by-step explanation:

formula for volume: volume = [tex]\pi r^2h[/tex]

plug in the values that they give you

5,652 = [tex]\pi 10^2h[/tex]

simplify

5,652 = 100pi h

solve for h

[tex]\frac{5652}{100\pi } = h[/tex]

h = 18 (rounded)

what is 14 865.00 to the nearest thousand​

Answers

Answer:

the nearest thousand is 15 000.00

Twenty-five volunteers will wear one of 6 blue, 7 green, 8 yellow, and 4 red aprons during an upcoming food drive. If the aprons are assigned randomly, what is the probability that a volunteer is assigned an apron that is NOT green?
A. 6/25
B. 7/25
C. 8/25
D. 18/25

Answers

D. 18/25

To solve this problem, let’s first subtract the ones that ARE wearing green from the total number of volunteers. We’ll subtract 7 from 25 for an answer of 18. Then, we’ll put the 18 over 25 and this will represent how many volunteers are NOT wearing green out of the total number of volunteers. My work is below, please let me know if you have any questions! :)

25 - 7 = 18

18/25 = Probability of volunteers NOT wearing green out of the total number of volunteers

????????????????????????????

Answers

It would be 12.5 square miles I would appreciate the Brainliest

You deposit $2700 in an account that pays 3% annual interest compounded weekly. How much money is in the account after 5 years?

Answers

Answer:

A = $3136.86

Step-by-step explanation:

Given the following data;

Principal = $2700

Interest rate = 3% = 3/100 = 0.03

Number of times = 52

Time = 5 years

To find the future value, we would use the compound interest formula;

[tex] A = P(1 + \frac{r}{n})^{nt}[/tex]

Where;

A is the future value.

P is the principal or starting amount.

r is annual interest rate.

n is the number of times the interest is compounded in a year.

t is the number of years for the compound interest.

Substituting into the equation, we have;

[tex] A = 2700(1 + \frac{0.03}{52})^{52*5}[/tex]

[tex] A = 2700(1 + 0.0005769)^{260}[/tex]

[tex] A = 2700(1.0005769)^{260}[/tex]

[tex] A = 2700(1.1618)[/tex]

A = $3136.86

a lot of points, Show your work to explain how you found your answers?

Answers

Answer:

5500 ml or 5.5 liters

Step-by-step explanation:

First, we should note that there are 1000 milliliters in 1 liter of liquid.

So, in milliliters, Peter filled three containers with 1500 ml, 750ml, and 2250 ml with 1000ml left over.

To find the total amount, we find the sum of all the milliliters:

1500 + 750 + 2250 + 1000 = 5500 ml

Again, we know that there are 1000 milliliters in 1 liter of liquid, so:

[tex]\frac{5500}{1000}[/tex] = 5.5 liters

5500ml I think that is the answer hope this helps

Can you help me, please?

Answers

2/8 is equal to 1/4, and you can just figure that out by multiplying 1 and 4 by 2

Yesterday, I ran 5 miles. Today I ran 8 miles. What happened to the percent?​

Answers

Step-by-step explanation:

you ran 40% more than yesterday ?

Answer:

The percentage increases

The magnitude of an earthquake is found by the equation M = 2/3 * log E/10^11.8 , where M is the magnitude and E is the energy released. Find the magnitude of an earthquake that released 10 ^ 21.6 ergs of energy

Answers

The answer is D. 6.5

Find the value of the ratio x ÷ y if the equation is 5x²-13xy+8y²​

Answers

Answer:

x÷y=8/5 or 1÷1

Step-by-step explanation:

Please mark as brainliest

Help plz I don’t understand

Answers

The answer is 380+12x=494. Can you please give me brainlest?

At the clothing store, the ratio of shirts to jeans is 3:2. There are 30 pairs of jeans. How many shirts are there?

Answers

Answer:

45 : 30

Step-by-step explanation:

30 / 2 = 15

3 * 15

= 45

= 45 : 30

Hope it helps

Please mark me as the brainliest

Thank you

The product of two numbers is 54 and their difference is 3. What are the two numbers?
Foter

Answers

Step-by-step explanation:

X+Y=53 HERE YOU GO I HOPE IT HELP

giving brainliest *easy*

Answers

Answer:

Think it 89mm

Step-by-step explanation:

Determine how many solutions the system has.

Answers

One solution could you give me the quizzes code

Use similar triangles to solve for the missing lengths below.

If you know how to work this out please help:)

Answers

Answer:

x = 14

y = 18

Step-by-step explanation:

By the property of similar triangles,

If two triangles are similar their corresponding sides will be proportional.

[tex]\frac{AB}{EF}= \frac{AC}{GE}[/tex]

[tex]\frac{5}{10}=\frac{7}{x}[/tex]

x = [tex]\frac{70}{5}[/tex]

x = 14

Similarly, [tex]\frac{AB}{EF}= \frac{CB}{GF}[/tex]

[tex]\frac{5}{10}=\frac{9}{y}[/tex]

y = [tex]\frac{90}{5}[/tex]

y = 18

what is 3p-5= -44
can anyone answer this
​

Answers

P=-44 is the correct answer
p=-13

3p-5=-44
add 5 to -44 which equals -39

3p=-39
divide 3 by -39 which equals -13

find the sum of all the even numbers between 70 and 80​

Answers

300. 72+74+76+78=300

Find the area of the shape shown below.

Answers

Answer:

29

Step-by-step explanation:

Answer:

42.5

Step-by-step explanation:

Cut this up and the rectangle at the top has an area of 9*3.5 = 31.5. The triangle in the bottom left corner has an area of 2, the square has an area of 4 and the bottom right triangle has an area of 5.

Add these values up to get 42.5

help with math pretty easy will give 5 star and brainlyist

Answers

Answer:

area = 96 units²

Step-by-step explanation:

area = 16 x 12 x 0.5 = 96 units²

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