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butalik [34]
2 years ago
9

a contractor was paving a driveway he mixed 4/7 ton lf sand and 1/3 ton of concrete how much did the mixture weigh

Mathematics
1 answer:
NeTakaya2 years ago
8 0

Answer: 19/21

Step-by-step explanation: find the same multiple for both so you can combine them

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PLEASE HELP ASAP ILL GIVE YOU 30 POINTS Jamie is excited for spring break this year. Her family is planning a vacation! She full
docker41 [41]
The answer is 15
Since 20 times 7 is 140 and 140+75 is 215
Take 215-200 you get 15
3 0
2 years ago
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The population of a town is decreasing at a rate of 3.2% per year. In 2015, there were 14,250 people. What is the first year tha
notsponge [240]
The answer is D
you would set up an equation like this
14,250 x .032
this will give you how much the population is decreasing per year. Which is 456 people per year.
You then take 2015 and find the difference between that number and 2025 and do it with all of the other years too.
For example 2025-2015 is 10 years
You then take 10 x 456 to tell you how much the of population you lost in those 10 years. You will then take that number which is 4,560 and do 14,250-4,560 to get 9,650.
4 0
2 years ago
Which expression represents the word phrase the product of 3 and 6 more than a number? 3(x+6) 3(6−x) 3x + 6 I don't know.
dezoksy [38]

Answer:

3(6+x)

Step-by-step explanation:

product of 3 and 6 more than a number

6 more than a number = y

3y

y = (6+x)

3(6+x)

PLEASE GIVE BRAINLIEST

4 0
3 years ago
Solve the equation for x.<br><br> 1<br> 4<br> (2x + 8) = −16
dimaraw [331]

Answer:Let's solve your equation step-by-step.

1

4

(2x+8)=−16

Step 1: Simplify both sides of the equation.

1

4

(2x+8)=−16

(

1

4

)(2x)+(

1

4

)(8)=−16(Distribute)

1

2

x+2=−16

Step 2: Subtract 2 from both sides.

1

2

x+2−2=−16−2

1

2

x=−18

Step 3: Multiply both sides by 2.

2*(

1

2

x)=(2)*(−18)

x=−36

4 0
3 years ago
Read 2 more answers
X, add 6, then times by 3
Musya8 [376]

Answer:

(x+6)*3

Step-by-step explanation:

You will need to do this equation simply; and in order for that matter.

So you need to use the brackets so you know what comes first.

Remember BIDMAS or BODMAS

BIDMAS:                  BODMAS:

Brackets                  Brackets

Indices                     Order       ---   (These mean the same thing)

Divide                      Divide

Multiply                    Multiply

Addition                   Addition

Subtraction              Subtraction

As you can see the brackets come first, so you do what is INSIDE the brackets before anything. (x+6)

To finish, you will need to multiply, but as it is an unknown, you don't know what to multiply the 3 by.

<u>So x, add 6, then times by 3 = (x+6) *3</u>

4 0
2 years ago
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