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SSSSS [86.1K]
3 years ago
6

What is the main idea of the passage? (5 points)

Mathematics
1 answer:
solong [7]3 years ago
5 0

Answer:

b

Step-by-step explanation:

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Which expression stands for 32 more than a number d?
KatRina [158]
I think that it would be 34+d because if you were trying to get 32 more than a number you would add the number plus the varaible.
5 0
3 years ago
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What is the equation of the line that passes through (-3, -1) and has a slope of 3/5? Put your answer in slope-intercept form. y
zubka84 [21]

Answer:

Y=3/5x -4/5

Step-by-step explanation:

3/5 is the slope so you do 3/5x

-4/5 is negative because the line passes two negative coordinates

Hope this helps!

4 0
3 years ago
The Area of a circle increases at a rate of 1 cm^2/s. How fast is the radius changing when the circumference is 2 cm?
jeyben [28]
The area of a circle:
 A = πr²
dA/dr = 2πr

We are given dA/dt, using the chain rule
dr/dt = dA/dt x dr/dA

dr/dt = 1 x 1/2πr

When circumference = 2 cm:
2 = 2πr
r = 1/π; putting this value of r

dr/dt = 1/2π(1/π)
dr/dt = 1/2 cm/s

The radius is increasing at a rate of 1/2 cm/s.
5 0
3 years ago
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6 sided cube rolled( probability of p(4)
Debora [2.8K]

Answer:

1/6

Step-by-step explanation:

The probability of rolling a 4 on a 6-sided die is 1/6 because there is a fair chance that any of the numbers from 1 to 6 are chosen, and 4 is one number out of 6 possible numbers that could be chosen.

3 0
4 years ago
The concentration, in parts per million, of a type of antibiotic in a human's bloodstream after h hours can be modeled by the po
saveliy_v [14]

Answer:

C(3)=17.69\ ppm

Step-by-step explanation:

Given:

Given polynomial function is.

C(h)=-0.09h^{2} +3.5h+8

Hours  h=3

We need to find the concentration of the antibiotic after 3 hours.

Solution:

Rewrite the given polynomial function as.

C(h)=-0.09h^{2} +3.5h+8

Substitute  h=3 in given polynomial function.

C(3)=-0.09(3)^{2} +3.5\times 3+8

C(3)=-0.09\times 9+10.5+8

C(3)=-0.81+10.5+8

C(3)=-0.81+18.5

C(3)=17.69\ ppm

Therefore, the concentration of the antibiotic after 3 hours C(3)=17.69\ ppm .

8 0
4 years ago
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