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Mila [183]
2 years ago
11

Jeff wants to save $4000 to buy a used car. He has already saved $850. He plans to save an additional $150 each week. write and

solve an equation to represent the number of weeks remaining w until he can afford the car.
Mathematics
1 answer:
kupik [55]2 years ago
8 0

Answer:

21 weeks

Step-by-step explanation:

150*21=3150

3150+850=4000

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Find the perimeter of this figure. Enter your answer in the box.
diamong [38]

Answer:

56 total units

Step-by-step explanation:

Here is what the plane would look like if the figure and points were drawn.

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2 years ago
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Note: Enter your answer and show all the steps that you use to solve this problem in the space provided. Write the steps to solv
Mkey [24]

Answer:

The computer can perform 1051050 calculations in 10 seconds.

Step-by-step explanation:

1. Put the quantity of calculations the computer can perform in 1 second:

105105\frac{calculations}{1second}

2. Multiply the quantity of calculations by 10 seconds:

105105\frac{calculations}{1second}*10seconds=1051050calculations

Note that the units of seconds are cancelled as they appear on the numerator and the denominator, and the final response unit is given in calculations number.

The computer can perform 1051050 calculations in 10 seconds.

4 0
3 years ago
Please help !!!!!!!!!!!!
jekas [21]
This is for 2.X=22 so the total angle is 90° and you take away 68° and that leaves you with 22°
6 0
2 years ago
Hi guys can you please help me
marissa [1.9K]

Answer: 40


Step-by-step explanation:


Finding perimiter is simple! You add the L & the W by each other and then times that by 2!


15 + 5 = 20


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8 0
3 years ago
A countrys population in 1990 was 145 million. In 1998 it was 151 million. Estimate the population in 2015 using the exponential
alexandr402 [8]

Answer:

The population in 2015 will be 165 million.

Step-by-step explanation:

The exponential growth formula is given by:

f(t) = a(1 + r)^{\Delta t}

Where:

a: is the initial population

r: is the rate of increase

Δt: is the time        

With the initial information we can find the rate:

151 = 145(1 + r)^{1998-1990}      

Using logarithm:                                    

ln(151) = ln(145) + 8[ln(1 + r)]  

ln(1 + r) = \frac{ln(151) - ln(145)}{8}                        

ln(1 + r) = 5.0683 \cdot 10^{-3}          

Using exponential:          

e^{ln(1 + r)} = e^{5.0683 \cdot 10^{-3}}

r = 5.081 \cdot 10^{-3}        

Now, we can find the estimated population in 2015:

f(t) = 151(1 + 5.081 \cdot 10^{-3})^{2015-1998}              

f(t) = 165              

Therefore, the population in 2015 will be 165 million.

I hope it helps you!

5 0
3 years ago
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