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maks197457 [2]
2 years ago
14

Cost of a New Car From 1970 to 1990, the average cost of a new car, C

Mathematics
1 answer:
Lunna [17]2 years ago
3 0

Answer:

In year 1986 the average  cost of car is  $12,000

Step-by-step explanation:

Cost function:

C = 30.5t² + 4192

Cost = $12,000

Find:

Year

Computation:

C = 30.5t² + 4192

12,000 = 30.5t² + 4192

t = 16 year

So,

Year 1970 + 16 year

1986

So, In year 1986 the average  cost of car is  $12,000

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I need help with this in 7th grade just started to learn this
tatuchka [14]

Answer:

99

Step-by-step explanation:

110% × 90 = 99

<em>OR</em>

110/100 × 90 (Simplify this)

11/10 × 90 (Divide 10 into 90 / Cross multiply)

11 × 9 = 99

8 0
3 years ago
What is the gcf of 45 and 9?​
olganol [36]

Answer:

9

Step-by-step explanation:

The factors of 9 are: 1, 3, 9

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Then the greatest common factor is 9.

4 0
3 years ago
What is the total volume of the snow used to make the snowman if the head is 12 inches wide, the middle is 16 inches wide, and t
Nutka1998 [239]
The snowman is made of 3 spheres (balls) of snow. The diameters, from top to bottom, are 12, 16, 18 inches
Therefore, the radii of the 3 spheres are, respectively, 6, 8, and 9 inches.

The volume of a sphere of radius, r, is given by the formula: V = 4/3 π r3
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= 4/3 π (1,457)
=6,099.97
Your answer would be D. 6,099.97
I hope this helps!
4 0
2 years ago
The formula for the perimeter of a rectangle is p=2(1+w) solve for w.
Dvinal [7]
P=2*(l+w)
p=2l+2w
2w=p - 2l
w= (p-2l)/2
3 0
3 years ago
I need help on this guys pls help me
STatiana [176]

Answer:

The answer is A

Step-by-step explanation:

The reason A is correct is because all of the other transformations change the size of the triangle, and A is the only answer that only reflects the image over the y axis without changing it, thus making it similar to the preimage

4 0
2 years ago
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