2 or more equal ratios for 7/16

Answers

Answer 1

Answer: this is a simple one just multiply the sides by the same number
14/32, 28/48

Answer 2

Answer: multiply both numerator and denominator by the same number.
14/32
21/48

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It is 8/10 mile from liz's house to the market. Liz walked 6/10 mile, stopped for a break, and walked the rest of the way to the market. Which equation represents liz's walk?

Answers

Answer:

The equation that represents Liz's walk is:

5x + 3 = 4

Step-by-step explanation:

Liz walked 6/10 mile, stopped for a break, and walked the rest of the way to the market.

Let Liz's walk after that break be x mile.

Before the break, she had walked 6/10 miles. Adding these distances, she had walked a total of (x + 6/10) miles.

Because it is 8/10 miles from Liz's house to the market, all the walks she had to do to get to the market is 8/10 miles.

That is,

(x + 6/10) is the same as 8/10.

x + 6/10 = 8/10

Multiplying by 10, we have

10x + 6 = 8

Dividing by 2 gives

5x + 3 = 4

And this is the equation we wish to write.

Step-by-step explanation:

Below is an attachment containing the solution.

Solve quadratic equation by completing the square
x²+2x-15=0

Answers

$x^2+2x-15=0\n\nx^2+2x\cdot1+1^2-1^2=15\n\n(x+1)^2-1=15\n\n(x+1)^2=15+1\n\n(x+1)^2=16\iff x+1=4\ or\ x+1=-4\n\nx=4-1\ or\ x=-4-1\n\n\underline{\underline{x=3\ or\ x=-5}}$

Z+w−3=k
6z−10w=8

Answers

Answer:

if your looking for z it is 5/8k+2.375

Step-by-step explanation:

Answer:

Step-by-step explanation:

Please, include the instructions.

I'm assuming you want to solve this system of linear equations for z and w, assuming that k is an unknown constant.

Use the method of elimination by addition and subtraction. To eiiminate w, multiply all four terms of the first equation by 10, obtaining:

10 z + 10w - 30 = 10k

6z - 10 w = 80

Then 16z - 30 - 80 = 10k, or

16z -110 = 10k, Simplifying this, we get:

10(k + 11)

z = ---------------

Substituting this expression for z into the first equation, we get:

(10/16)(k + 11) + w - 3 = k. We must solve this for w:

-(10/16)(k + 11) + w - 3 = k), or

-(10/16)(k + 11) - w + 3 = -k

Then -(10/16)(k + 11) + 3 + k = w

and so the solution, in terms of the unknown constant k, is

10(k + 11)

( --------------, -(10/16)(k + 11) + 3 + k )

Solve the following equation for x: 1,000(x – 2) = 75,000 A. 7 B. 770 C. 7,700 D. 77

Answers

1,000(x - 2) = 75,000 |divide both sides by 1,000

x - 2 = 75 |add 2 to both sides

x = 77

Plz help!!! I will brainliest and no links!! Also plz explain ur answer!!Mrs. O and her family decided to go to Disneyland for vacation. When they left their house, they had to put 3/4 of a tank of gas in their car. When they got to St. George, they put 1/2 of a tank of gas in their car. How much more gas did they put in the car the first time?