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Svetllana [295]
3 years ago
15

Does anyone get this

Mathematics
2 answers:
charle [14.2K]3 years ago
4 0

#7 is 6/8 im not sure about #6

kherson [118]3 years ago
4 0

It's a little hard to tell what is intended here. Your text may offer examples that you can follow.

5. (4/5) / (1/5) = 4

6. 1/2 = 3/6

... 2/3 = 4/6

7. (3/4) / (1/8) = 6

or perhaps

... (3/4) / 6 = 1/8

_____

The idea of any diagram of this sort is to help you understand the relationship between various fractions and the different ways they can be represented. IMO, the "division sentence" itself is not the important thing. Rather, the important thing is understanding what you get when you multiply or divide fractions in various ways.

If you have that part figured out, the appropriate form for the "division sentence" can be found in an example in your text. (If not, the text needs work, and your teacher should be consulted.)

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A rectangular swimming pool that is 10 ft wide by 16 ft long is surrounded by a cement sidewalk of uniform width. If the area of
Alchen [17]
We are asked to solve for the width "x" in the given problem. To visualize the problem, see attached drawing.
We have the area of the swimming pool such as:
Area SP = l x w
Area SP = 10 * 16
Area SP = 160 feet2
Area of the swimming pool plus the sidewalk with uniform width:
Area SP + SW = (10 + x) * (16 + x)
160 + 155 = 160 + 10x + 16x + x2
160 -160 + 155 = 26x + x2
155 = 26 x + x2
x2 + 26x -155= 0
Solving for x, we need to use quadratic formula and the answer is 5 feet.

The value of x is <span>5 feet. </span>

5 0
3 years ago
-5^2 + (-15) ÷ (-3) + 20 Solve using PEMDAS showing work
oee [108]
In PEMDAS, there is no parentheses in this equation, so we move on to exponents.

-5^2 is 25
Now, we divide -15/-3 then we get 5
Next, we do -3+20=17
25+5+17 would be 47

Your answer should be 47!
Hope this helps (:
5 0
2 years ago
The ratio of green food coloring to blue food coloring is 1:2. we used 6 drops of blue. how many total drops of food coloring di
ehidna [41]
If the ratio of green to blue food coloring is 1:2 and 6 drops of blue was used, meaning that you basically multiplied 2 by 3 in order to get 6. Then the number of green drops would be 3 (1*3=3). 6+3=9
The total amount of drops of food coloring is then 9.

Hope this helps! (:
7 0
3 years ago
Read 2 more answers
5x – 7y= 58<br> y = -x - 2<br><br> X=<br> Y=
amm1812

Answer:

x = 11/3 , y = -17/3

Step-by-step explanation:

Solve the following system:

{5 x - 7 y = 58 | (equation 1)

y = -x - 2 | (equation 2)

Express the system in standard form:

{5 x - 7 y = 58 | (equation 1)

x + y = -2 | (equation 2)

Subtract 1/5 × (equation 1) from equation 2:

{5 x - 7 y = 58 | (equation 1)

0 x+(12 y)/5 = (-68)/5 | (equation 2)

Multiply equation 2 by 5/4:

{5 x - 7 y = 58 | (equation 1)

0 x+3 y = -17 | (equation 2)

Divide equation 2 by 3:

{5 x - 7 y = 58 | (equation 1)

0 x+y = (-17)/3 | (equation 2)

Add 7 × (equation 2) to equation 1:

{5 x+0 y = 55/3 | (equation 1)

0 x+y = -17/3 | (equation 2)

Divide equation 1 by 5:

{x+0 y = 11/3 | (equation 1)

0 x+y = -17/3 | (equation 2)

Collect results:

Answer: {x = 11/3 , y = -17/3

8 0
3 years ago
Read 2 more answers
Anumeha mows lawns. She charges an initial fee and a constant fee for each hour of work. F represents Anumeha's fee (in dollars)
kkurt [141]

Answer:

$12

Step-by-step explanation:

Anumeha mows lawns.

From the above question, we are given:

F = 6 + 12t

Where

She charges an initial fee and a constant fee for each hour of work.

F = Total fees

t = number of hours

12t = $12 × t

Where $12 is the constant fee she charges per hour

Therefore, from the above equation, the charge Anumeha charges for each hour of work =

$12

6 0
2 years ago
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