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3 years ago

Simplify 7/x+2-4/x-5

Mathematics

1 answer:

lesantik [10]3 years ago

3 0

-3(x-1)/x would be your answer

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I need the expression

V125BC [204]

Answer:

-7( 8n - m )

- 7 × 8n + 7× m

-56n + 7m

7 0

3 years ago

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Please help me ASAP!!!

STatiana [176]

Graph g seems to be steeper than graph f. green is g. red is f.

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3 years ago

Integrate (1-x³)² with respect to x

Tasya [4]

Answer:

Start off by expanding the square:

x^6 -2x³ + 1.

Now, we can integrate it in dx:

∫x^6 - 2x^3 + 1 dx = ∫x^6 dx - 2∫x^3 dx + ∫1 dx = (x^7)/7 - 2((x^4)/4) + x = (x^7)/7 - (x^4)/2 + x.

That's the result!

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2 years ago

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Joseph works at a car dealership and earns a flat $450.00 per week. He also earns 3% of his sales each week. Joseph needs to ear

777dan777 [17]

Answer:

Joe needs to sell $21,667 in goods to end up with a weekly income of $1,100.

Step-by-step explanation:

Let's write an equation that describes this situation, and then solve the equation for the necessary weekly sales.

Flat $450, plus 3% of his sales, add up to $1,100.

Let s represent the amount of sales.

Then $450 + 0.03s = $1,100, where 0.03 is the decimal equivalent of 3%.

Solving for s,

0.03s = $1,100 - $450 = $650.

Dividing both sides by 0.03, to isolate s, we get:

s = $650/0.03 = $21,667

Joe needs to sell $21,667 in goods to end up with a weekly income of $1,100.

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3 years ago

Maria practiced for her piano recital each day for three days. The first day she practiced for hour, the second day she practice

kolezko [41]

Answer:

3/4

Step-by-step explanation:

Maria practiced for her piano recital each day for three days. the first day she practiced for 3/4 hour, the second day she practiced for 1 1/2 hours, and the third day she practiced for 2 1/4 hours. by how much did she increase the time she practiced each day?

the increase in hours practiced can be determined by calculating the difference between the hours practiced on the second and first day

$1\frac{1}{2} - \frac{3}{4}$

$1\frac{2 - 3}{4}$ the lowest common multiple that can divide 2 and 4 is 4.

$\frac{6-3}{4}$ if 2 is subtracted from 3, the answer would be negative. So, borrow 1 from the whole number. the value of this borrowed one would be equal to 4 which is the LCM. Add 4 to 2. this gives 6

$\frac{3}{4}$

6 0

3 years ago