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Yakvenalex [24]
3 years ago
15

Use the drop-down menus to label the points on the number line.

Mathematics
2 answers:
SSSSS [86.1K]3 years ago
6 0

Answer:

-1.5

-0.75

0.75

1.75

Step-by-step explanation:

Viefleur [7K]3 years ago
3 0

Answer:

Step-by-Use the drop-down menus to label the points on the number line.

Point A is at . - 1 2/4

Point B is at . - 3/4

Point C is at 3/4.    

Point D is at  explanation:1 3/4

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Answer: 16

Step-by-step explanation:

x^2-8x+c

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c=(\frac{b}{2})^2

c=(\frac{-8}{2})^2

c=(-4)^2\\ c=16

7 0
3 years ago
Volume? Correct answers please
goldfiish [28.3K]

Answer:

V = 1385.44

Step-by-step explanation:

The equation for volume is V = π r 2 h! Where V = volume, r = radius <em>(half the diameter)</em>, and h = height. Now lets substitute what we know into this equation!

<em>Since we are giving the diameter (14) we must divide by 2 to find the radius.</em>

                         14 ÷ 2 = 7

Radius = 7

Height = 9

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Time to plug these values in!

V = π 7^{2} (9)

<em>We have to distribute </em><em>pi to 7 square that term </em><em>and then </em><em>multiply the value by 9</em><em>. </em>

<em />

V = 1385.44

Hope this Helps! :)

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7 0
3 years ago
What is the sum of three triangle angles equal to? A. 45 degrees B. 180 degrees C. 360 degrees D. 90 degrees​
ycow [4]

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3 years ago
Iodine-131, a radioactive substance that is effective in locating brain​ tumors, has a​ half-life of only 8 days. A hospital pur
Aloiza [94]

The mass of substance left after 7 days is 13.09 g

The mass of substance left, N is given by

N = N₀exp(-λt) where λ = decay constant and N₀ = initial mass of substance present = 24 g and t = time

Also, λ = 0.693/t' where t' = half-life of iodine = 8 days

So, λ = 0.693/t'

λ = 0.693/8

λ = 0.086625/day

Since the mass of substance left is N = N₀exp(-λt) and we require the mass of substance after t = 7 days,

N = N₀exp(-λt)

N = 24 gexp(-0.086625/day × 7 days)

N = 24 gexp(-0.606375)

N = 24 g × 0.5453

N = 13.09 g

So, the mass of substance left after 7 days is 13.09 g

Learn more about radioactive decay here:

brainly.com/question/23705307

7 0
3 years ago
What is the approximate volume of the cylinder? Use 3.14 to approximate tt. with a radius of 9 cm and a height of 22 cm
AlladinOne [14]
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8 0
3 years ago
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