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Fed [463]
4 years ago
13

Which of the following describes

alt="9x + 3y - 15" align="absmiddle" class="latex-formula">
A: Ratio
B: Equation
C: Inequality
D: Expression
Mathematics
1 answer:
satela [25.4K]4 years ago
6 0

Answer:

equation

Step-by-step explanation:

obviously!

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Describe the slope of the line. Then find the slope. What’s the slope?
guajiro [1.7K]

Hello there!

We are given two points.

We use the following formula:

\frac{y2-y1}{x2-x1}

\frac{4-7}{0-(-1)}

\frac{4-7}{0+1} \\\frac{-3}{1} \\-3

So the slope is -3. Hope it helps!

~Just a cheerful teen

#CarryOnLearning

SilentNature

4 0
3 years ago
A 95% confidence interval for the mean number of television per American household is (1.15, 4.20). For each of the following st
liq [111]

Answer:

a. False

b. True

c. False

d. False

e.True

f. True

Step-by-step explanation:

The 95% is confidence interval its not a probability estimate. The probability will be different from the confidence interval. Confidence interval is about the population mean and is not calculated based on sample mean. Every confidence interval contains the sample mean. There is 95% confidence that the number of televisions per American household is between 1.15 to 4.20.

7 0
3 years ago
The cylinders are similar. What is the volume of the red cylinder?
PolarNik [594]

Answer:

150.8

Step-by-step explanation:

Volume of big cylinder = pi * r^2 * h

small cylinder has a radius half the lenght of big cylinder, so height is also half of the big cylinder, since they are similar

so volume of small cylinder= pi * (r/2)^2 * h/2 = (pi * r^2 *h)/8= 1206/8= 150.75

3 0
3 years ago
Given the following diagram, enter the required information. m BXA = 30° 20', m CXB = 40° 35'. m CXA __° __'.
klasskru [66]
The picture in the attached figure

we know that

m∠BXA = 30° 20'
m∠CXB = 40° 35'

m∠CXA = ?

m∠CXA = m∠BXA + m∠CXB
m∠CXA = 30° 20' + 40° 35'
m∠CXA = 70° 55'

therefore

the answer is
m∠CXA = 70° 55'

5 0
3 years ago
Read 2 more answers
Part 1
vekshin1

Divide bags of sand by gallons of water:

14 /6 = 2.33

21/9 = 2.33

The ratio is the same, so this means for every gallon of water you need 2.33 bags of sand.

Convert the fractions into decimals and you will get 7/3 = 2.33

The answer for Part 1 is D) 7/3

For part 2, multiply the gallons of water by 2.33 to get the number of sand bags needed:

12 x 2.33 = 27.99, which rounds to 28.

The answer is C) 28 bags.

5 0
3 years ago
Read 2 more answers
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