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valina [46]
3 years ago
8

Several items in a store are on sale. Complete the table with the correct prices.

Mathematics
2 answers:
solniwko [45]3 years ago
8 0

Answer:

1.) $35

2.) $36

3.)$51

4.)$43

Step-by-step explanation:

1.)30% of 50 is 15 and you would subtract the 15 from 50 to get your discount.

2.)55% of 80 is 44 and you would subtract 44 from 80 to get your after price.

3.)For this one, I divided the discount price by 3 and multiplied it by 4 to get the original price since 1/4 was taken from it or 25%.

4.) There was only one option left.

mart [117]3 years ago
7 0

Answer:

1.$36

2.$35

3.$51

4.$43

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The increase in the number of humans living on Earth (N, as measured in billions) with time t (as measured in years since 1800)
NemiM [27]

Answer:

The slope of the line would be 0.00910 in a logarithm graphic.

Step-by-step explanation:

Statement is incomplete. The correct sentences are:<em> The increase in the number of humans living on Earth (N, as measured in billions) with time t (as measured in years since 1800) is modeld by the following function: N = 0.892e^0.00910t. If you were to graph in ln (N) versus t, what would be the slope of the line?</em>

Let be N(t) = 0.892\cdot e^{0.00910\cdot t}, where N(t) is the number of humans living on Earth, measured in billions, and t is the time, measured in years since 1800. As we notice, this is an exponential function and its slope is not constant and such expression have to be linearized by using a logartihm graphic. We add logarithms on each side of the formula and simplify the resulting expression by means of logarithmic properties:

\log N(t) = \log \left(0.892\cdot e^{0.00910\cdot t}\right)

\log N(t) = \log 0.892 + 0.00910\cdot t

In a nutshell, the slope of the line would be 0.00910 in a logarithm graphic.

4 0
3 years ago
The ratio of doctors to nurses in a hospital is 4 to 10. How many doctors are there if the numbers of nurses at the hospital are
sdas [7]

Answer:

60

Step-by-step explanation:

i used a proportion. 4 to 10 is equal to 60 to 150

5 0
3 years ago
The shortest side of a fight triangle measures20 m. The lengths of the other two sides are censecutive odd integers. Find the le
slamgirl [31]
A² + b² = c²
20² + n² = (n+2)²
400+ n² = (n+2)(n+2)
400 + n²=n² + 2n + 2n +4
400 + n² = n² +4n +4
400 + n²-n² = n²-n² + 4n+4
400 = 4n + 4
400-4 = 4n +4-4
396 = 4n
396/4 = 4n/4
n= 99

20²+ 99² = (99+2)²
400 + 9801 =10201
10201=10201
6 0
3 years ago
Please help with this me
kondaur [170]

Answer:

3/5

Step-by-step explanation:

3 is the X and 5 is the Y add together you get 8                  

but the answer is 3/5 from point C to B

6 0
3 years ago
PLZ HURRY
Nana76 [90]

Answer:

y= 3x+10.

Step by step explanation:

To find this, we will need to use the points from the center and a corner of the rectangle. We can find the slope by using the slope formula:

m=\frac{7-1}{-1+3}

We get a value of m=3.

Now, use one of these points and substitute it into the equation 'y=mx+b', giving us:

7= 3(-1)+b

7=-3+b

10=b

Finally, we get our equation y=3x+10.

4 0
3 years ago
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