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3 years ago

I don't get this wondering if anyone can help

Mathematics

1 answer:

Wewaii [24]3 years ago

8 0

This is quite simple actually ,first you find out what to divide by to get to 1 in this case it's 19 since this is a fraction, you have to divide 3.61 by 19 to get your answer 0.19 ! did that help?

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Determine the standard deviation of the data below. (1, 2, 3, 4, 5)

Burka [1]

Answer:

$\sqrt{2}$ or 1.414

Step-by-step explanation:

1) Find the mean. 1+2+3+4+5 = 15. 15/5= 3

2) For each data point, find the square of its distance to the mean. (4, 1, 0, 1, 4)

3) Sum the values from Step 2. 10

4) Divide by the number of data points. 10/5= 2

5) Take the square root. $\sqrt{2}$

4 0

3 years ago

A rectangle has a height of 43 and a width of 3x + 1.

fomenos

A = 43 • 3x + 1
= 44 •3x
= 132x

6 0

3 years ago

Read 2 more answers

During the first seconds after takeoff, a rocket traveled 208 kilometers in 50 minutes at al

lukranit [14]

Answer:

The rocket has a faster unit rate and is $219\ km/h$ much faster than the penny

Step-by-step explanation:

Find the unit rate of each object and the compare the results

step 1

Find the unit rate per hour of the rocket

To find the unit rate divide the total distance by the time

Let

d -----> the distance in km

t -----> the time in hours

we have

$d=208\ km$

$t=50/60=5/6\ h$

Find the unit rate

$208/(5/6)=208*6/5=249.6\ km/h$

step 2

Find the unit rate per hour of the penny

To find the unit rate divide the total distance by the time

Let

d -----> the distance in km

t -----> the time in hours

we have

$d=153\ km$

$t=5\ h$

Find the unit rate

$153/5=30.6\ km/h$

step 3

Compare the unit rates

The units rate of rocket is $249.6\ km/h$

The unit rate of penny is $30.6\ km/h$

Find the difference

$249.6-30.6=219\ km/h$

therefore

The rocket has a faster unit rate and is $219\ km/h$ much faster than the penny

8 0

3 years ago

Find the amount to which $2,500 will grow if interest of 6.75% is compounded quarterly for 10

andreev551 [17]

Answer:

Part a

For this case n = 4. If we use the future value formula we got:

$A= 2500 (1+ \frac{0.0675}{4})^{4*10}= 4882.506$

Part b

For this case n = 365. If we use the future value formula we got:

$A= 2500 (1+ \frac{0.0675}{365})^{365*10}= 4909.776$

Step-by-step explanation:

We can use the future vaue formula for compound interest given by:

$A= P(1+ \frac{r}{n})^{nt}$

Where P represent the present value, r=0.0675 , n is the number of times that the interest is compounded in a year and t the number of years.

Part a

For this case n = 4. If we use the future value formula we got:

$A= 2500 (1+ \frac{0.0675}{4})^{4*10}= 4882.506$

Part b

For this case n = 365. If we use the future value formula we got:

$A= 2500 (1+ \frac{0.0675}{365})^{365*10}= 4909.776$

5 0

3 years ago

PLS HELP 54 POINTS AND BRAINLY!!!

r-ruslan [8.4K]

Answer:

y=-2x + 6

Step-by-step explanation:

y-2=-2(x+4)

+2 +2

add 2 to both sides to get y by itself.

y=-2(x + 4) + 2

distribute the -2

y= -2x - 8 + 2

add the commons

y = -2x-6

5 0

3 years ago