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Romashka [77]
2 years ago
13

HELP!!! HELP ME PLEASE!!!

Mathematics
1 answer:
katen-ka-za [31]2 years ago
3 0

Answer:

-4(8x-7)/7

Step-by-step explanation:

1. Simplify Term.

-8/7 (4x) - 8/7 * -3 + 4/7

-32x/7 - 8/7 * -3 + 4/7

-8/7 * 3

-32x/7 + 24/7 + 4/7

2. Simplify Term.

− 32 x *  24  + 4 divided by 7

-32x + 28 divided by 7

4(-8x + 7) divided by 7

4(-(8x) + 7) divided by 7

3. Rewrite 7 as -1(-7)

4(-(8x) - 1(-7)) divided by 7

4(-(8x - 7)) divided by 7

4. Rewrite -(8x - 7) as -1(8x - 7)

4(-1(8x - 7)) divided by 7

-4(8x - 7)/7

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Which is different?
Alja [10]

A) Solve 3x+6y=24 for x.

Subtracting 6y from both sides, we get

3x+6y-6y=24-6y

3x = -6y+24

Dividing both sides by 3, we get

\frac{3x}{3} = \frac{-6y}{3} +\frac{24}{3}

x= -2y + 8

b) Solve 24−3x=6y for x.

Subtracting 24 from both sides, we get

24-24−3x=6y-24

-3x = 6y -24.

Dividing both sides by -3, we get

\frac{-3x}{-3} =\frac{6y}{-3} -\frac{24}{-3}

x= -2y + 8.

c) Solve 6y=24−3x for y in terms of x.

Dividing both side by 6.

\frac{6y}{6} =\frac{24}{6}- \frac{3x}{6}

y= -\frac{1}{2}x+4

d) Solve 24−6y=3x for x in terms of y.

Dividing both sides by 3, we get

\frac{24}{3} - \frac{6y}{3} = \frac{3x}{3}

8 - 2y = x.

x = -2y +8

<h3>Therefore, x=-2x+8 and y=-\frac{1}{2}x+4.</h3>
7 0
3 years ago
Each envelope in the class contains the same number of triangles and quadrilaterals. Write an expression that
Gala2k [10]

Answer: 3t+4q.

Step-by-step explanation: Triangles have 3 sides, so there will be 3 sides for each triangle in the envelope. This is represented by 3t. Quadrilaterals have 4 sides, so there will be 4 sides for each quadrilateral in the envelope. This is represented by 4q. The total number of sides will be the number of triangle sides and the number of quadrilateral sides together.

3 0
2 years ago
A cellular phone company charges 17% tax on each bill. Which is a correct way of calculating the bill without tax, if the total
UNO [17]

Answer:

<u>The correct way of calculating the bill without tax is B. Divide the total bill by 1.17</u>

Step-by-step explanation:

Let's assume that the cellular phone bill with tax for this month is $ 117 (100 + 17 of tax), now let's make the calculation using the four alternatives provided:

A . Divide the total bill by 0.83

117/0.83 = 140.96, therefore it's not the correct way.

<u>B. Divide the total bill by 1.17</u>

<u>117/1.17 = 100, therefore this is the correct way.</u>

C. Multiply the total bill by 0.83

117 * 0.83 = 97.11, therefore this is not the correct way.

D. Multiply the total bill by 1.17

117 * 1.17 = 136.89, therefore this is not the correct way.

3 0
3 years ago
Aye do anyone think the can help me with a phone number verification because i cant do it myself i dont have my phone
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5 0
2 years ago
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Let's call the team members: y(ou), k, ma, mi, d, s , that's 6 members.

We know that the number of candies is 18+23+20+28 (which is 89) plus whatever Simon and Doug found.

If the average per person is 22, then all people in total found 6*22=132.

We don't know how much doug and Simon found, but together they found 132-89=32+11=43,

Once we know how much Doug found, we can subtract it from 43 and we'll know.

From all the people so far, Michelle found the most, but it could be that either Doug or Simon found more: the problem is we don't have enough information now to find out.
3 0
3 years ago
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