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Agata [3.3K]
3 years ago
12

Solve the linear equation: 7x-3x=5x+2

Mathematics
1 answer:
Allushta [10]3 years ago
7 0

Answer:

x = -2.

Step-by-step explanation:

7x - 3x = 5x + 2         Subtract 5x from both sides:

7x - 3x - 5x = 2

-x = 2

x = 2 / -1

x = -2.

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Which of the following tools is used by engineers and scientists to document their brainstorming, sketches, design ideas, soluti
Verdich [7]

Answer:

sketches design ideas and testing results I'm pretty sure

4 0
3 years ago
Apex Fitness Club uses straight-line depreciation for a machine costing $24,600, with an estimated four-year life and a $2,500 s
Brums [2.3K]

Answer:

machine's book value at the end of its second year = $13550

the amount of depreciation for each of the final three years = $3833.33

Step-by-step explanation:

machine costing $24,600

4 year salvage value = $2,500

3 year salvage value = $2,050

to find out

machine's book value at the end of its second year and the amount of depreciation for each of the final three years

solution

first w calculate depreciate basis = machine costing  - 4 year salvage value

depreciate basis = $24600 - $2500 = $22100

and depreciate = $22100 / 4 = $5525 per year

so after 2 year depreciate value is 2 × $5525 = $11050

now we can say machine's book value at the end of its second year = machine costing -  after 2 year depreciate value

machine's book value at the end of its second year = $24,600 - $11050

machine's book value at the end of its second year = $13550

and the amount of depreciation for each of the final three years = ( book value - salvage value ) / 3

the amount of depreciation for each of the final three years = ( $13550 - $2,050 ) / 3

the amount of depreciation for each of the final three years = $3833.33

8 0
3 years ago
Cos15°°- Sin 15°= 1/√2​
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<h2><u>Refer</u><u> this</u><u> attachment</u></h2>

<u>Hope</u><u> it's</u><u> help</u><u> you</u>

4 0
3 years ago
. At a certain instant, the length of a rectangle is 3 inches and is increasing at the rate of 1 inch per minute. At the same in
Rufina [12.5K]

Answer:

Area is increasing

Step-by-step explanation:

Let x be the length of rectangle and y be the width of rectangle

We are given that

x=3 in

dx/dt=1 in/min

y=2 in

dy/dt=-0.5/min

We know that

Area of rectangle,A=xy

Differentiate w.r.t t

\frac{dA}{dt}=y\frac{dx}{dt}+x\frac{dy}{dt}

Substitute the values

\frac{dA}{dt}=2(1)+3(-0.5)=2-1.5=0.5 in^2/min

Hence, the area  of rectangle is increasing.

6 0
3 years ago
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