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3 years ago

7

Which number produces a rational number when added to 0.25

1 answer:

Tatiana [17]3 years ago

8 0

0.65 is the correct one if not up there try 0.45 other possible one

Step-by-step explanation:

A rational number is defined as any number which can be expressed in fractional p/q of two integers, where 'p' is the numerator and 'q' is the denominator. 'q' can never be zero. A rational number can also be expressed as a terminating decimal. So, when 0.25 is added in 0.45 it becomes 0.65 which is rational.

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The cone volume of 180 1/4 and a radius of square of 9. What is the height?

Lerok [7]

Answer:

h≈2.12

Radius =9

volume = 180

Step-by-step explanation:

$v=\pi r^{2} \frac{h}{3}$

h=3V / πr2=3· 180 / π·9^2 ≈ 2.12207

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2 years ago

Which of the following is a random sample?

slavikrds [6]

Answer:

A.

Step-by-step explanation:

A. City voters were asked about candidates. That seems to be random.

B. A survey about singers took place at a specific concert. Naturally, the people who are there like this singer. It is not random.

C. Customers were asked about food at a pizza shop. Naturally, they like pizza. This is not random.

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Answer: A.

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2 years ago

Write an equation that passes through a pair of points

Phoenix [80]

Answer:

C. $y = -x + 2$

Step-by-step explanation:

First, find the slope, m, of the line that passes through the two given points.

Slope = $\frac{rise}{run} = \frac{-2}{2} = -\frac{1}{1} = -1$

Next, determine the y-intercept, b.

The y-intercept is where the line intercepts the y-axis. The line intercepts the y-axis at y = 2. Therefore, b = 2.

Now, to get an equation of the line, substitute m = -1, and b = 2 in $y = mx + b$ .

✅The equation would be:

$y = -1x + 2$

$y = -x + 2$

3 0

2 years ago

PLZZZZ NEED HELP!!!!!!

ad-work [718]

Figure C uses the same formula

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3 years ago

Help me with this math question please I'm giving away brainliests

koban [17]

Answer:

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Step-by-step explanation:

This question implies the constant rate or proportion of water to mass. Therefore, we can set up the following equation:

$\frac{60}{90}=\frac{x}{75},\\\\x=\frac{75\cdot 60}{90}=\boxed{50\:\text{kg water}}$

5 0

3 years ago

Read 2 more answers