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Anna11 [10]
3 years ago
9

Suppose that the height (in centimeters) of a candle is a linear function and the amount of time (in hours) it has been burning.

After 9 hours of buring, a candle has a hight of 22.2 centimeters. After 23 hours of burning, it's heigh is 16.8 centimeters. What is the height of candle after 19 hour
Mathematics
1 answer:
lisabon 2012 [21]3 years ago
4 0

Answer: cockme

Step-by-step explanation:

cockme

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Which side lengths form a right triangle?
Law Incorporation [45]

Answ B and C

Step-by-step explanation:

5 0
3 years ago
A student receives test scores of 62, 83, and 91. The student's final exam score is 88 and homework score is 76. Each test is wo
Alborosie

Answer:

The student's mean score in the class is 80.6

Step-by-step explanation:

we know that

To find out the student's mean score in the class, multiply each score by its worth and adds the numbers

(62+83+91)0.20+(88)0.25+(76).15=80.6

therefore

The student's mean score in the class is 80.6

7 0
2 years ago
Please help me with this problem. I'm kind of stuck and don't know what to do.
Flauer [41]

Try this option:

1) if csc(u)=9, then 1/sin(u)=9 and sin(u)=1/9;

2) if sin(u)=1/9, then cos(u):

cos(u)=\sqrt{1-sin^2(u)}=\sqrt{1-\frac{1}{81}}=\frac{4\sqrt{5}}{9};

3) if \ sin(u)=\frac{1}{9} \ and \ cos(u)=\frac{4\sqrt{5}}{9}, then

sin(2u)=2sin(u)*cos(u)=\frac{8\sqrt{5}}{81};

cos(2u)=cos^2(u)-sin^2(u)=\frac{80}{81}-\frac{1}{81}=\frac{79}{81};

tan(2u)=\frac{sin(2u)}{cos(2u)}=\frac{\frac{8\sqrt{5}}{81}}{\frac{79}{81} }=\frac{8\sqrt{5}}{79}.

8 0
2 years ago
Kabir wants to know the volume of a solid right pyramid
Elan Coil [88]

Answer:

A) 5

B) 4

C) 3

D) 64

Step-by-step explanation:

correct on edge

7 0
3 years ago
For Question #1, use the graphs of f(x) and g(x) to evaluate go f (4).
spin [16.1K]

Answer:

0

Step-by-step explanation:

First you find what f(4) is equal to then you plug that into g(x), so in this situation f(4)=4 so we then look at g(4), which is equal to 0

3 0
3 years ago
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