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andreev551 [17]
3 years ago
11

a race car slows down to make a turn. If it has an initial velocity of 180 km/h [S] and accelerates at a rate of 8.2 m/s squared

[N] for 3.2 s at what velocity (in kilometers per hour) does it accelerate
Mathematics
1 answer:
kherson [118]3 years ago
6 0
Race car 2
Muiltple Answers
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Can someone please help me on this?? ill mark branliest for the best answer
Tomtit [17]

12 -1/9d = 17

Subtract 12 from both sides

-1/9d = 5

Multiply both sides by -9:

D = -45

The answer is b. d = -45

8 0
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Awnser in one/two step equations
solniwko [45]
-6=-7+x

Make the variable to the left hand side and change it’s sign.

-6-x=-7

Move the constant to the right hand side and change its sign.

-x=-7+6

Calculate the sum

-x=-1

Change the signs of both sides of the equation .

X=1
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A farmer in Gervais is raising zebras and elephant. Last week, she bought 15 bags of feed. Zebra feed costs $35 a bag and elepha
morpeh [17]

Answer:

do 15 x35

Step-by-step explanation:

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2 years ago
Can someone help?
nydimaria [60]

Answer:

run = 1081.6 ft

Step-by-step explanation:

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run = 3500 / sin18

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2 years ago
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Describe and correct the error in finding the tenth term of the arithmetic sequence 4, 12, 20, 28.
ycow [4]

Answer: The tenth term is 76

=======================================================

Explanation:

We use this arithmetic sequence formula to get the nth term

a_n = a_1 + d(n-1)

Plug in a_1 = 4, \ d = 8, \ n = 10 and you should get the following:

a_n = a_1 + d(n-1)\\\\a_{10} = 4 + 8(10-1)\\\\a_{10} = 4 + 8(9)\\\\a_{10} = \textbf{76}\\\\

The tenth term is <u>76</u>

---------

We can verify this by listing out the terms one by one. Start at 4, add on 8 each time, until you generate the 10th term. A table like the one shown below is a good way to keep track of all the terms.

\begin{array}{c|c}\boldsymbol{n} & \boldsymbol{a_n}\\1 & 4\\2 & 12\\3 & 20\\4 & 28\\5 & 36\\6 & 44\\7 & 52\\8 & 60\\9 & 68\\10 & \textbf{76}\\\end{array}

---------

In short, the error is with the "10" in the expression 4+10(8). The student should have used 9 instead. This is because of the n-1 term in a_n = a_1 + d(n-1) which shifts everything one spot to the left.

7 0
2 years ago
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