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kaheart [24]
3 years ago
7

5x - y = 6 -2x +y = 8 What’s the answer

Mathematics
1 answer:
nevsk [136]3 years ago
4 0

Answer:

x= 4\frac{2}{3}

y= 17\frac{1}{3}

Step-by-step explanation:

5x-y=6\\-2x+y=8\\

Simplify, find the x-value first:

3x=14\\x=4\frac{2}{3}

Substitute x-value into any equation (i did the second equation) and simplify:

-2(4\frac{2}{3})+y=8\\ -9\frac{1}{3} +y=8\\

y=17\frac{1}{3}

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Luba_88 [7]
The correct answer is d
7 0
3 years ago
Solve x <br><br> 4x-5 /5 = 3
cluponka [151]

Answer:

x = 1

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

4x−

5

5

=3

4x+−1=3

4x−1=3

Step 2: Add 1 to both sides.

4x−1+1=3+1

4x=4

Step 3: Divide both sides by 4.

4x

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=

4

4

x=1

6 0
3 years ago
HELP NEEDED ASAP<br> image below
xxTIMURxx [149]

The amount of pounds of vegetable needed in fractions to make the stew exactly 10 pounds is 3 3  / 8 pounds

<h3>How to solve fractions?</h3>

The amount of pounds of vegetable needed to make the stew exactly 10 pounds can be calculated as follows:

potatoes weight = 2 7 / 8 pounds = 23 / 8 pounds

green beans weight = 1 1 / 4 = 5 / 4 pounds

pepper weight = 2 1 / 2 = 5 / 2 pounds

Therefore,

weight needed = 10 - 23 / 8 - 5 / 4 - 5 / 2

weight needed = 80 - 23 - 10 - 20 / 8

weight needed = 80 - 53 / 8

weight needed = 27 / 8

weight needed in fractions to make the stew exactly 10 pounds = 3 3  / 8 pounds

learn more on fractions here: brainly.com/question/27894307

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8 0
2 years ago
If salt (5.99 × 10–6 mol) is dissolved in 1.50 × 10–2 l of water, which expression can be used to find the molarity of the resul
kolezko [41]

The molarity of the resulting solution is 3.99 × 10⁻⁴ M. The correct option is the third option 3.99 × 10⁻⁴ M

<h3>Molarity of a solution</h3>

From the question, we are to determine the molarity of the resulting solution

From the given information,

Number of moles = 5.99 × 10⁻⁶ mol

Volume = 1.50 × 10⁻² L

Using the formula,

Molarity = Number moles / Volume

∴ Molarity = (5.99 × 10⁻⁶) / (1.50 × 10⁻²)
Molarity = 3.99 × 10⁻⁴ M

Hence, the molarity of the resulting solution is 3.99 × 10⁻⁴ M. The correct option is the third option 3.99 × 10⁻⁴ M

Learn more on Calculating molarity here: brainly.com/question/23051191

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5 0
2 years ago
Lonny is serving soup for charity. Each bowl holds 2.15 cups of soup. How many bowls will Lonny use if he serves a total of 94.6
azamat

Answer: 44 bowls

Step-by-step explanation:

94.6 divided by 2.15 = 44 bowls of soup

***If you found my answer helpful, please give me the brainliest. :) ***

7 0
3 years ago
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