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Tems11 [23]
3 years ago
5

A race car was attempting to set a record the race car went 1000 feet in 4.5 seconds to the nearest Tenth what is the average sp

eed of the race car
Mathematics
1 answer:
V125BC [204]3 years ago
5 0

Answer:

222 ft/sec

Step-by-step explanation:

Essentially you're being asked to find the unit speed (that is, distance per sec).

1000 ft

------------ = 222 feet/sec is the approx. average speed / unit speed

4.5 sec

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Could you help me again and explain how you do it please I will give you 50 points
Keith_Richards [23]

Answer:

9 meters sorry if thats wrong

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Please help!
lana66690 [7]

Answer:

see explanation

Step-by-step explanation:

Given the recursive formula

a_{n} = \frac{1}{2}a_{n-1} with a₁ = 1, then

a₂ = \frac{1}{2} a₁ = \frac{1}{2} × 1 = \frac{1}{2}

a₃ = \frac{1}{2} a₂ = \frac{1}{2} × \frac{1}{2} = \frac{1}{4}

6 0
3 years ago
A circular merry-go-round has a radius of 5 feet. Find the distance of a spin of one full rotation. Use 3.14 for pi and round th
Sedbober [7]

Option C

The distance of a spin of one full rotation is 31.4 feet

<em><u>Solution:</u></em>

Given that,

A circular merry-go-round has a radius of 5 feet

Radius = 5 feet

We have to find the distance of spin for one full rotation

Distance covered in 1 full of rotation is equal to circumference of circle

<em><u>The circumference of circle is given as:</u></em>

C = 2 \pi r

Where "r" is the radius

C = 2 \times 3.14 \times 5\\\\C = 6.28 \times 5\\\\C = 31.4

Thus the distance of a spin of one full rotation is 31.4 feet

6 0
3 years ago
A farmer has a rectangular pen for her goats. The length of the pen can be represented by the expression 2x - 1. The width of th
kolezko [41]

area = 2x² + 7x - 4

the area (A )  of a rectangle = length × width

A = (2x - 1 )(x + 4 ) ← expand using FOIL

   = 2x² + 8x - x - 4 = 2x² + 7x - 4


3 0
3 years ago
$213 ski jacket with a 30% discount and a 6% tax
Aneli [31]
$158.046

Take the discount off first, 213*.70=149.10, then multiply 149.10*1.06= $158.046
8 0
3 years ago
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