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solniwko [45]
3 years ago
14

Gerald drives 200 miles in 2 1/2 hours. what is gerald's average speed?

Mathematics
1 answer:
Dimas [21]3 years ago
3 0

Answer:

80mph

Step-by-step explanation:

200 divided by 2 1/2 is 80.

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What is the distance between (-4,4) and (-7,3)
Alex787 [66]

Answer:

\sqrt{10}

Step-by-step explanation:

Using the distance formula, we see that the distance between (-4,4) and (-7,3) is \sqrt{10}.

4 0
2 years ago
How do you do this problem 1/4 +4x/5=11/20?
Nutka1998 [239]
\frac{1}{4}+\frac{4}{5}x=\frac{11}{20}\\\\\frac{4}{5}x=\frac{11}{20}-\frac{1}{4}\\\\\frac{4}{5}x=\frac{11}{20}-\frac{5}{20}\\\\\frac{4}{5}x=\frac{6}{20}\ \ \ \ \ \ \ |\cdot\frac{5}{4}\\\\x=\frac{30}{80}=\frac{3}{8}
8 0
2 years ago
A researcher is conducting a study of charitable donations by surveying a simple random sample of households in a certain city.
nirvana33 [79]

Answer:

H0: p ≤ 0.50

Ha: p > 0.50

Step-by-step explanation:

The null hypothesis (H0) tries to show that no significant variation exists between variables or that a single variable is no different than its mean. While an alternative Hypothesis (Ha) attempt to prove that a new theory is true rather than the old one. That a variable is significantly different from the mean.

For the case above;

Let p represent the proportion of households in the city that gave a charitable donation in the past year

The null hypothesis is that the proportion of households in the city that gave a charitable donation in the past year is not more that 0.50

H0: p ≤ 0.50

The alternative hypothesis is that the proportion of households in the city that gave a charitable donation in the past year is more that 0.50

Ha: p > 0.50

7 0
3 years ago
How would i do this problem <br>slope= -2, y-intercept = 7
marin [14]
SINCE the slope is -2 it would be like this -2/1 but first plot the y-intercept onto the graph and go down 2 and over 1.
4 0
2 years ago
Read 2 more answers
Method for converting an angle in radians to degrees
vladimir1956 [14]

Answer:

Step-by-step explanation:

To solve for degrees: (180°/π) * radians

To solve for radians: (π/180°) * degrees

3 0
3 years ago
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