2 years ago

I need help! Quick Please

Mathematics

1 answer:

Ipatiy [6.2K]2 years ago

6 0

What do u need help on? It gives u the answer which is X=10/3

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The equation, y = 12841(1.01)x , represents the average cost of an education at a private college, after 1990. What is the avera

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The average cost in 1990 is <span>$12,841.</span>

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3 years ago

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Can yall help meh xD

Valentin [98]

Answer:

Here's the answer

Step-by-step explanation:

Dividing the number by 1000

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What is the area of a circle with a radius of 35 inches<br> in2<br> (Use 3.14 for Pi.)

Amanda [17]

Answer: area= 3846.5 inch^2

Step-by-step explanation:

Area of circle = πr^2

Where r is the radius and pi is 3.14

So, we get..

3.14 x (35)^2

= 3.14 x 35 x 35

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= 3846.5 inch^ 2

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aleksklad [387]

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3 years ago

Alex the electrician needs 34 yards of electrical wire to complete his job. He has a coil of wiring in his workshop. The coiled

bogdanovich [222]

Answer: This coil will not be enough to complete the job.

Step-by-step explanation:

The circumference of the coil of wiring can be calculated with:

$C=2\pi r$

Where r is the radius and $\pi=3.14$

The radius can be calculated by dividing the diameter by 2. Then:

$r=\frac{18in}{2}\\\\r=9in$

Convert 9 inches to yards (1 yard=36 inches):

$(9in)(\frac{1yd}{36in})=0.25yd$

Substitute this radius into the formula:

$C=2(3.14)(0.25yd)\\C=1.57yd$

Since there are 21 circles of wire, you need to multiply $C=1.57yd$ by 21:

$C_T=(1.57yd)(21)=32.97yd$

The coil has 32.97 yards of wire and Alex needs 34 yards, therefore, this coil will not be enough to complete the job.

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2 years ago