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2 years ago

Write an equation for the description.

Mathematics

2 answers:

cricket20 [7]2 years ago

6 0

I think it would be “ 130 + m = 170 “ I could be wrong tho

Umnica [9.8K]2 years ago

3 0

Answer:

40$

Step-by-step explanation:

170$-130$=40$

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Translate the statement into an equation or inequality. The sum of 5 and a number is less than the product of the number and 7 m

RideAnS [48]

Answer:

2x-4=10

2x=14

x=7

2. 3x+3=2x-1

3x-2x=-1-3

x=-4

3. 7x+x=24

8x=24

x=3(

4. 5+x=-18

x=-18-5

x=-23

5. -14=10-6x

6x=10+14

6x=24

x=4

6. 2x-2=x+12

2x-x=12+2

x=14

7. 3x-31=2

3x=2+31

3x=33

x=11

8. 5x-14=16

5x=16+14

5x=30

x=6

9. 2x+8=4(5-x)

2x+8=20-4x

2x+4x=20-8

6x=12

x=2

10. 2x-3=3(1+x)

2x-3=3+3x

2x-3x=3+3

-x=6

4 0

2 years ago

E/4+2f-3 when e=12 and f =1/2

Viktor [21]

Answer:

$\frac{e}{4} + 2f - 3 \\ \frac{12}{4} + 2 \times \frac{1}{2} - 3 \\ 3 + \frac{2}{2} - 3 \\ 3 + 1 - 3 \\ 4 - 3 = 1$

6 0

3 years ago

A Pharmacist whishes to mix a solution that is 6% Minoxidil. She has on hand 100 ml of 4% solution and wishes to add some 8% sol

Kaylis [27]

Answer:

She would need 100 ml of the 8% solution

Step-by-step explanation:

You can always answer these questions using a proportion. The numerator will represent the amount of Minoxidil, and the denominator will represent the total amount of solution

She already ha 100 ml of a 4% solution. That means that she has 4 ml of Minoxidil already

$\frac{4 + 0.08(S)}{100 + S} =\frac{6}{100}$

We can multiply both sides by 100 for simplicity

$\frac{400 + 8S}{100+S}=6\\ 400 + 8S =6(100 + S)\\400 + 8S = 600 + 6S\\2S = 200\\S = 100$

8 0

2 years ago

Evaluate the expression when a=7 and b=4<br><br> 36/b+a

Rus_ich [418]

36/7+4
36/11
36÷11=3.27272727.... Repeating

7 0

2 years ago

What is the constant proportionality for the relationship on the graph

tankabanditka [31]

<h3>Answer: Choice A) 3.5</h3>

Work Shown:

The point (8,28) is the furthest to the right on the graph. We have x = 8 and y = 28 pair up here. Divide the y over the x

y/x = 28/8 = 3.5

side note: the tickmarks on the y axis go up by 4 each time

5 0

2 years ago

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