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Marina86 [1]
3 years ago
14

7 times as much as sum of 1/3 and 4/5

Mathematics
2 answers:
Salsk061 [2.6K]3 years ago
8 0
So the formula is
7*(1/3+1/5) = x

First find the common denominator of the fractions.  In this case the common denominator of 3 and 5 is 15 so we must convert them to 15ths.  To do that we divide 15 by the denominator and take that answer and multiply the numerator by it.

So for 1/3 we take 15/3(denominator) = 5 and multiply the numerator (1) by it

5 * 1 = 5 so 1/3 converts to 5/15

Do the same for 1/5 we take 15/5 = 3 and multiply the numerator (4) by it

3*4 = 12 so 4/5 converts to 12/15

Now we add 5/15 and 12/15 = 17/15 so we have our formula now to

7*17/15

We make seven a fraction 7/1 and multiply across 7*17 = 119 and 15 * 1 = 15

We have 119/15 which when we divide and get 7 14/15 as your answer
AleksandrR [38]3 years ago
5 0
Find a common denominator aka 15
so 5/15 and 12/15
= 17/15 times 7/1
119/15
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Find an equation for a line that passes through (-2,3) and (6,-1)
kompoz [17]

Answer:

I think it's y = -1/2x -2

Step-by-step explanation:

use the formula y - y1/ y2- y1= x - x1/x2-x1

5 0
3 years ago
Create a sequence with five terms based on the given information. a. A arithmetic sequence with a third term of 8 and a constant
kolezko [41]

Part a .

A arithmetic sequence with a third term of 8 and a common difference of 5 .

To find the first five therms, since the common difference is 5, so we add 5 to get the fourth term and add 5 to fourth term to get the fifth term .

And for first two terms, we will subtract 5 from 8 to get the second term and subtract 5 from the second term to get the first term. And we will get

8-5-5,8-5,8, 8+5+5 = -2 ,3,8,13,18

Part b:A geometric sequence with a fifth term of 1/3 and constant ratio of 1/3.

TO find the first five terms, since the constant ratio of 1/3, so we multiply 1/3 to third term to get fourth term, and multiply fourth term by 1/3 to get fifth term .

And to get the first two terms, we will divide third term by 1/3, to get the second term and divide the second term by 1/3 to get the first term, that is

3,1,\frac{1}{3}, \frac{1}{9},\frac{1}{27}



6 0
3 years ago
Which expression is represented by the model? <br><br> A: x-3<br> B: x+3<br> C: -x-3<br> D: -x+3
Maurinko [17]

Answer:

the answer is D

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
Can someone please help me with #37
kolbaska11 [484]
Using the diagram, we can conclude that the radius is 10 feet, and the height is 6 feet.

Plug in the values for radius and height into the equation.
V = π10^2*6
Simplify in terms of pi.
V = 600π
Round pi to 3.14 and multiply by 600.
V = 1,884

1,884 cubic feet is your answer.
In the image you provided, I do not see a fourth option that includes 1,884 cubic feet. I would assume that the camera did not take a full picture of the answer choices.
4 0
3 years ago
Pls help ASAP!! Pleaseee now!!
kap26 [50]
4/5 x 7= 28/5= 5 3/5
6 0
3 years ago
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