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Natali [406]
3 years ago
7

What is the area of the trapezoid? [A = 1/2(b1 + b2)h]

Mathematics
2 answers:
MatroZZZ [7]3 years ago
3 0

We can see that b1 = 18, b2 = 24, and h = 5

So, we can just substitute these in.

A = 1/2(18 + 24)5

A = 1/2 * 42 * 5

A = 21 * 5

A = 105

So, the answer is C. 105 sq cm

Anika [276]3 years ago
3 0

Answer:

105

Step-by-step explanation:

you just have to plug in your variables

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Two joggers run 8 miles north and then 5 miles west. What is the shortest
Verdich [7]

The shortest distance they have to travel to return to their starting point is 9.4 miles.

Explanation

The joggers run 8 mile north and then runs 5 miles west. we have to calculate the shortest distance they have to travel to return to their starting point.

The distance traveled north and west respectively makes the height and base of a right angled triangle.

to find the shortest distance to the starting point, the hypotenuse has to be determined.

height h=8 miles

base b=5 miles

using pythagoras theorem

b^2+h^2=H^2\\5^2+8^2=H^2\\25+64=H^2\\89=H^2\\\\H=\sqrt{89} =9.433=9.4 miles

The shortest distance to the starting point is 9.4 miles

4 0
2 years ago
Easy question! <br><br>What is 6(4+2)?​
EleoNora [17]

Answer:

36

Step-by-step explanation:

6(4+2)

6(6)

36

3 0
2 years ago
Read 2 more answers
A student wondered if more than​ 10% of students enrolled in an introductory Chemistry class dropped before the midterm. He noti
Ilia_Sergeevich [38]

Answer:

C.It is a​ one-tailed test since the alternative hypothesis states that the parameter is greater than the hypothesized value.

Step-by-step explanation:

Let p be the percentage of students enrolled in an introductory Chemistry class dropped before the midterm. Then null and alternative hypotheses are:

H_{0}: p=10%

H_{a}: p>10%

The alternative hypothesis states that the parameter is greater than the hypothesized value.

3 0
2 years ago
Solve the equation. Round to the nearest tenth if necessary.
ASHA 777 [7]
The answer will be 30
5 0
3 years ago
Evaluate the expression 10^2+(3+5)^2 - 5=
vampirchik [111]

Answer:

159

Step-by-step explanation:

10^2+(3+5)^2-5

-> 100 + (3+5)^2 -5

-> 100 + 8^2 - 5

-> 100 + 64 - 5

-> 159

8 0
2 years ago
Read 2 more answers
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