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Lelechka [254]
3 years ago
12

5(6a +1) = 7(4x + 3) w/steps

Mathematics
2 answers:
katrin2010 [14]3 years ago
7 0

Answer:

\frac{15a- 8}{14}  = x

Step-by-step explanation:

Step 1 - Divide both sides of the equation by 7:

5(6a + 1) = 7(4x + 3)\\

\frac{5(6a + 1)}{7}  = \frac{7(4x + 3)}{7} \\\\\frac{5(6a + 1)}{7}  = 4x + 3

Step 2 - Subtract 3 from both sides to isolate the 4x:

\frac{5(6a + 1)}{7} - 3 = 4x + 3 - 3\\\frac{5(6a + 1)}{7} - 3 = 4x

Step 3 - Expand equation:

\frac{5(6a + 1)}{7} - 3 = 4x \\\\\frac{30a + 5}{7} - 3 = 4x

Step 4 - Translate -3 into a fraction and add it:

\frac{30a + 5)}{7} - 3 = 4x\\\frac{30a + 5 + (7 * -3)}{7} = 4x\\\frac{30a + 5 + (-21)}{7} = 4x\\

\frac{30a - 16}{7} = 4x

Step 5 - Divide both sides of the equation by 4:

\frac{\frac{30a - 16}{7}}{4}  = \frac{4x}{4}

Multiply the two fractions together to simplify:

\frac{30a - 16}{4 * 7}  = \frac{4x}{4}

\frac{30a - 16}{28}  = x

Step 6 - Simplify by dividing the fraction by 2:

\frac{(30a \div 2)- ( 16 \div 2)}{28 \div 2}  = x

\frac{15a- 8}{14}  = x

Hope this helps!

Oliga [24]3 years ago
6 0

Answer:

ttftt

Step-by-step explanation:

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Answer:

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Step-by-step explanation:

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4 0
2 years ago
Mr Wallace sells appliances in receives a weekly salary of $275 plus a 3% Commission on all of his self last week is sells total
Greeley [361]

Answer:

The total earning of Mr Wallace for the week is $310.37  

Step-by-step explanation:

Given as :

The fixed weekly salary of Mr Wallace = $275

And The commission of 3% on his total sell

Last week Mr Wallace total sells amount= $1179

I.e 3% of total sells amount = 3% of $1179 = .03 × $1179 = $35.37

∴The total earning = $275 + $35.37 = $310.37

Hence The total earning of Mr Wallace for the week is $310.37    Answer

8 0
3 years ago
I need to know what goes in each box.<br> :)<br> 20 points
BartSMP [9]

Answer:

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3/12 = 1/3

being are last boxes to autofill.

Step-by-step explanation:

1/12 +1/4 = 1/12 + 3/12 = 4.12 = 1/3

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12 / 4 = 3

we get 3/12

Then when adding same denominators 1/12 + 3/12 we just add the top values. = 4/12

The last box would be 4/12 but if asked to simplify we would automatically enter 1/3 for simplification.

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I need to find the formula for these shaded squares
vaieri [72.5K]

For the given sequence we have the formula:

Sₙ = 1 + (n - 1)*2

The 50th square will have 99 shaded squares.

<h3 /><h3>How many shaded squares are on the n-th square?</h3>

Here we have a sequence:

The first square has 1 shaded squares.

the second square has 3 shaded squares.

The third square has 5 shaded squares.

And so on.

Already you can see a pattern here, each next step we add 2 shaded squares, then we can write the formula:

Sₙ = 1 + (n - 1)*2

Where S is the number of shaded squares and n is the number of the figure.

Then the 50th square will have:

S₅₀ = 1+ (50 - 1)*2  1 + 49*2 = 99

Learn more about sequences:

brainly.com/question/6561461

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Answer:

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