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Whitepunk [10]
3 years ago
6

COULD SOMEONE HELP ME PLEASE

Mathematics
1 answer:
dmitriy555 [2]3 years ago
8 0

Answer:

n=\frac{5}{6}

Step-by-step explanation:

\frac{4}{5}n=\frac{2}{3}

5\cdot \frac{4}{5}n=\frac{2\cdot \:5}{3}

4n=\frac{10}{3}

\frac{4n}{4}=\frac{\frac{10}{3}}{4}

n=\frac{5}{6}

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AN ice cream factory makes 230 quarts of ie cream in 2 hours. how many quarts could be made in 12 hours?what was the rate per da
Lana71 [14]

it makes 2760 per 12 hours

4 0
3 years ago
Mrs. Jones places 3 orders for school T-shirts. Each order has 16 boxes of shirts and each box holds 17 shirts. How many T-shirt
IgorLugansk [536]

Answer:

816 T-shirts

Step-by-step explanation:

16 boxes * 17 shirts = 272 shirts total in 16 boxes

272 shirts * 3 orders = 816 shirts

6 0
3 years ago
If a plumber charges $80/hr for labor, w, and $60 for parts, write an equation that would describe the scenario of hiring a plum
Nadusha1986 [10]
Can you show the full question?
6 0
3 years ago
What is the solution to the system? 1. x-y + 2 z = -7<br> 2. y + z =1<br> 3. x-2 y - 3 z = 0
kvv77 [185]

You'd find this problem easier to understand and do if you'd please list the defining equations vertically and line up variables:

1. x - 1y + 2 z = -7

2. y + 1z = 1

3. x - 2 y - 3 z = 0 Now eliminate the line numbers:

x - 1y + 2 z = -7

1y + 1 z = 1

x - 2 y - 3 z = 0

Let's use the elimination method to eliminate variable z: Seeing that z = 1 - y, we transform the first equation into 1x - 1y + 2(1-y) = -7

and the third into x - 2y - 3(1-y) = 0.

Simplifying 1x - 1y + 2(1-y) = -7

and x - 2y - 3(1-y) = 0,

we get

1x - 2y - 3 + 3y) = 0 and 1x - 1y + 2 - 2y = -7

which in turn simplify to

1x + y = 3 and 1x - 3y = -9

Having eliminated the variable z, we now focus on eliminating x. Mult. the 1st equation by -1, obtaining -1x - 1y = -3. Add this result to 1x - 3y = -9:

0 - 4y = -12, which tells us that y = 3. Subbing 3 for y in 1x + 1y = 3 tells us that x = 0.

All we have left to determine is the vaue of z.

Borrowing Equation 3, from above, we get x - 2 y - 3 z = 0, and into this equation we substitute x = 0 and y = 3: 0 -2(3) - 3z = 0.

Thus, -3z = 6, and z = -2.

The solution set is (0, 3, -2). You should check this by substitution.

3 0
3 years ago
Carl offered to pay jake $0.25 a square foot to paint his fence. The fence measures 109 feet long and 7 feet wide what is the to
Scorpion4ik [409]

Answer:

Part 1) The total square footage of the fence is 763\ ft^{2}

Part 2) \$190.75

Step-by-step explanation:

Part 1) what is the total square footage of the fence ?

we know that

The area of the fence is equal to

A=LW

substitute the values

A=(109)(7)=763\ ft^{2}

Part 2) How much will Jake get paid

Using proportion

\frac{0.25}{1}\frac{\$}{ft^{2}}=\frac{x}{763}\frac{\$}{ft^{2}}\\ \\x=763*0.25\\ \\x=\$190.75

6 0
3 years ago
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