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sergey [27]
3 years ago
14

Next week your math teacher is giving a chapter test.

Mathematics
1 answer:
Naya [18.7K]3 years ago
5 0

Answer:

15

Step-by-step explanation:

35-20= 15

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A man drove 5 miles directly east from his home, made a left turn at an intersection, and then traveled 11 miles duc north to hi
lubasha [3.4K]
Answer: About 12.083



Explanation:
In order to solve this you would use Pythagorean theorem.

You are given the length of the two legs (5 and 11)

So by plugging in 5 and 11 into A Squared plus B Squared = C Squared, you get that C^2= 146.

By finding the square root of both sides you get square root of 146, which is approximately 12.803

5 0
3 years ago
#11 (Angles with Equations) In the figure below, 2POR is 180°.
lina2011 [118]

Answer:

55

Step-by-step explanation:

The three angles form a straight line, so they add to 180.

x + x + 70 = 180

Combine like terms

2x+70 =180

Subtract 70 from each side

2x+70-70 =180-70

2x= 110

Divide by 2

x = 55

SQT = x

So SQT = 55

4 0
3 years ago
?????????????????? ?????
Law Incorporation [45]

Answer:

100

Step-by-step explanation:

8 0
3 years ago
Child Health and Development Studies (CHDS) has been collecting data about expectant mothers in Oakland, CA since 1959. One of t
liraira [26]

Answer:

<em>A.) There is a 3.4% chance that a random sample of 50 expectant mothers will have a mean age of 26.5 years old or greater if the mean age for a first time mother is 26 years old.</em>

Step-by-step explanation:

The mean age for a first time mother is assumed 26 years old (null hypothesis) and <em>p-value</em> of the sample mean (26.5 years ) is found as 0.034.

This is the probability of having first time mother mean age 26.5 or greater <em>under the assumption of null hypothesis. </em>

3 0
3 years ago
what is 2.9+3.9 estimated, 12.99-3.95 estimated, 8.1+3.7+7.9 estimated, and 3.8+4.1+3.3 estimated answer ASAP plz
DIA [1.3K]

Answer:

7, 17, 20, 11

Step-by-step explanation:

you just round each number to the nearest whole number and then add them

3 0
3 years ago
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