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Andrei [34K]
3 years ago
5

A car was traveling 86 kilometers per hour.

Mathematics
1 answer:
MaRussiya [10]3 years ago
3 0

Answer:

The car was travelling in 23.888889 Meters per Second

Step-by-step explanation:

A car was traveling 86 kilometers per hour.

but  1Km= 1000metres

Thus 86km into meters will be;

86km/1km X (1000m)

86000metres

Also;

1hr= 3600 seconds

Meaning:

A car was traveling 86000 meters in 3600 seconds

Therefore;

86 kilometers per hour into meters per second will be;

86000m/3600s

= 23.888889 Meters per Second

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How many different committees can be formed from 11
Vikki [24]

Answer:

2 Committees

Step-by-step explanation:

2 Committees and 3/4 of a committee

There are only 11 teachers so that means only 2 committees can be filled with 4 teachers if that is the max amount per committee.

There are more than enough students so no need to worry on them.

11 divided by 4 = 2.75

5 0
3 years ago
Complete the equation of the line through (-6,5) and<br> (-3, -3).<br> Use exact numbers.
Arada [10]

Answer:

24

Step-by-step explanation:

6 0
3 years ago
Megan has $15,000 to invest. She is considering two investment options. Option A pays 3.2% simple interest. Option B pays 4.1% i
True [87]

wheee



Compute each option


option A: simple interest


simple interest is easy

A=I+P

A=Final amount

I=interest

P=principal (amount initially put in)


and I=PRT

P=principal

R=rate in decimal

T=time in years


so given

P=15000

R=3.2% or 0.032 in deecimal form

T=10


A=I+P

A=PRT+P

A=(15000)(0.032)(10)+15000

A=4800+15000

A=19800

Simple interst pays $19,800 in 10 years




Option B: compound interest

for interest compounded yearly, the formula is

A=P(1+r)^t

where A=final amount

P=principal

r=rate in decimal form

t=time in years


given

P=15000

r=4.1% or 0.041

t=10


A=15000(1+0.041)^{10}

A=15000(1.041)^{10}

use your calculator

A=22418.0872024

so after 10 years, she will have $22,418.09 in the compounded interest account





in 10 years, the investment in the simple interest account will be worth $19,800 and the investment in the compounded interest account will be worth$22,418.09

4 0
3 years ago
Read 2 more answers
What is the soloution of x^2-1/x^2+5x+4&lt;_0
JulijaS [17]
<span>You have the following inequality given in the problem shown above:

 (x^2-1)/(x^2+5x+4)</span>≤<span>0

 1. To solve it, you must factor it and then you must make the study of the signs.

 2. Once you do the proccedure mentioned above, you obtain the following solutions:

 -4<x<-1

 -1<x</span>≤<span>1

 3. You can graph the inaquality given in the problem, as you can see in the figure attached.</span>

6 0
3 years ago
6. if one factor of x ²-7x+10 is x-2, what is the other factor?
uranmaximum [27]

Answer:

6. B. x + 8

7. D. ( 3x-2)(3x-2)

8. D. Perfect square trimomal

9.C. x - 2

10. A. 3x and 8x

Step-by-step explanation:

Semoga Bermanfaat

6 0
3 years ago
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