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steposvetlana [31]
2 years ago
13

Jane is trying to finish a reading a book before her assignment is due. Her

Mathematics
1 answer:
Crazy boy [7]2 years ago
8 0

Answer:

P=2 2/8

Step-by-step explanation:

Hopes this helps

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mark spent 135$ on his comic book collection. he just sold it online for 310$. approximately what is the profit as a percent of
Vilka [71]

Answer:

70% is approximately the answer

Step-by-step explanation:

135 x 2 = 270

310 - 270 = 40

35 out of 40 is 7/8.

The answer should be approx 70, I can not make sure.

5 0
3 years ago
According to wildlife experts, the rate at which crickets chirp per minute is a function of the temperature in degrees Fahrenhei
ozzi

Answer:

Step-by-step explanation:

We will let the x coordinates be the temp and the y coordinates by the number of chirps. Our coordinates then will look like this:

(60, 84) and (85, 184). If this is linear, then first we will find the slope of the line which will tell us, in the context of this problem, how many chirps a cricket gives per 1 degree of temp increase.

The slope formula is:

m=\frac{y_2-y_1}{x_2-x_1} and filling in our numbers:

m=\frac{184-84}{85-60}=\frac{100}{25}= 4

This means that for every 1 degree temp increase, a cricket will give 4 chirps. That's the m value in y = mx + b. Now we will pick one of the coordinates, doesn't matter which one, and use those x and y values in the point-slope form of a line to get the equation. I will choose (60, 85), just because. Using the other point will give you the exact same line equation, I PROMISE!

Using 85 as y1 and 60 as x1 in

y - y1 = m(x - x1) gives us

y - 85 = 4(x - 60) and

y - 85 = 4x - 240 and

y = 4x - 240 + 85 and

y = 4x - 155

5 0
3 years ago
A cone shaped vase has a radius of 8 cm and a height of 28 cm. which measurements is closest to the volume of the vase? Use 3.14
notka56 [123]
The volume of of a cone with radius r and height h is
(1/3)hpir^2

given
h=28
r=8

V=(1/3)(28)pi8^2
V=(28/3)pi64
V=(1792/3)pi
use 3.14 for pi
V=1875.62666666666
so the volume is 1876 cubic centimeters rounded to nearest whole number
4 0
3 years ago
Multiple choice: what is the answer?
adell [148]

Answer:

200kg wt is your answer I think.

8 0
3 years ago
Read 2 more answers
A dilation has center (0,0). Find the image of the point L(-4,0) for the scale factor 9.
Andreyy89

Answer:

L' = (-36, 0)

Step-by-step explanation:

If the point (x, y) is dilated by a scale factor of k about the center (0, 0), then its image is the point (kx, ky)

∵ A dilation has a center (0, 0)

∵ The point L is (-4, 0)

∴ x = -4 and y = 0

∵ The scale factor of dilation is 9

∴ k = 9

→ By using the rule above

∵ kx = 9(-4) = -36

∵ ky = 9(0) = 0

∵ The image of the point L is (kx, ky)

∴ L' = (kx, ky)

∴ L' = (-36, 0)

8 0
3 years ago
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