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Aneli [31]
4 years ago
13

How do you work out these questions???????????

Mathematics
1 answer:
umka2103 [35]4 years ago
4 0
Divide the first one to 2 rectangles by drawing a line and then find the area of both rectangles, then add them.

The second one is divided in to 2 trapezoids. Find the area of both trapezoids and then add them.
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Find the surface area and volume of the prism at the right.
Lelechka [254]

Answer:

Surface Area: 34

Volume: 10u^{2}

Step-by-step explanation:

Volume = l*w*h

We need to divide the shapes up.

First Shape: 3 length * 1 width * 2 height

Second Shape: 2 length * 1 width * 2 height

6+4=10

Surface Area: 2(lw+wh+hl)

Lets divide the shape into two parts again and plug in the number into the formula.

2(3+2+6) = 2(11) = 22

However, for this, two units are inside to shape because we split it up. We can remove these 2 units.

22-2=20

Now we move to the next shape.

(Keep in mind, you can always just count surface area.)

2(2+2+4) = 2(8) = 16

However, again, two units are inside the shape because this is not just a simple figure.

16-2=14

14+20=34

5 0
2 years ago
Read 2 more answers
A professor of statistics wants to test that the average amount of money a typical college student spends per day during spring
solniwko [45]

Answer it is 456y5445t6y5432

Step-by-step explanation:

ww

8 0
3 years ago
What is the correct solution to the problem 6 x 3/8?
Setler79 [48]

Answer:

<h2><u><em>9/4 or 2.25</em></u></h2>

Step-by-step explanation:

what is the correct solution to the problem 6 x 3/8?

6 * 3/8 =

semplify

3  * 3/4 =

9/4 or 2.25

5 0
2 years ago
Read 2 more answers
Ava is 23 cm taller than Olivia, and Olivia is half the height of Lucas. If Lucas is 1.78 m tall, how tall are Ava and Olivia? E
Colt1911 [192]
Ava is 1.09 and Olivia is 0.86
3 0
3 years ago
An introductory psychology class has 9 freshman males, 15 freshman females, 8 sophomore males, and 12 sophomore females. A rando
inessss [21]

Answer

16/43

Step-by-step explanation:

17 Male + 27 female = 44 students

now n= 2 so first student was male so one male student was taken out of the equation so 16 male left. now left male students by remaining students  so now total left students = 43

so, prob = remaining males/remaining students=16/43

4 0
3 years ago
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