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pashok25 [27]
3 years ago
5

What would it be a little help, please

Mathematics
1 answer:
borishaifa [10]3 years ago
5 0

Answer:

Triangular prism with a surface area of 144, C

Step-by-step explanation:

4 x 3 = 12, 12 divided by 2 ( x 1/2 ) = 6

6 x 2 = 12

3 x 11 = 33

4 x 11 = 44

5 x 11 = 55

12 + 33 + 44 + 55 = 144

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The area of the shaded section is 63 square units. What is the value of x ? Help
Juli2301 [7.4K]
I found an image that corresponds to the above question.
The shape was a rectangle. Its width is 7 units, its length is x.
The shaded area of the rectangle forms a trapezoid.

Area of a trapezoid = [(a+b)/2] * h

63 sq. units = (7+x)/2 * 7
63/7 = (7+x)/2
9 = (7+x)/2
9*2 = 7 + x
18 = 7 + x
18 - 7 = x
11 = x

The value of x is 11 units. It is the length of the rectangle.

Area of the trapezoid = (a+b)/2 * h
63 = (7+11)/2 * 7
63 = 18/2 * 7
63 = 9 * 7
63 = 63 

7 0
3 years ago
Read 2 more answers
Solve: -6n + 5 &lt; 11<br> Wich graph shows the solution?
tangare [24]

Answer:

The last graph

Step-by-step explanation:

You have to solve for n that is where you get the plot then you have to remember in inequalities if you divide by a negative you have to switch the sign. The inequality is not a less than or equal to or greater than or equal to so the plot would be an open circle. Because we switched the sign it goes down the left side of the graph because of the direction the sign is pointing to.

8 0
3 years ago
Read 2 more answers
Solve for x round to the nearest tenth
lidiya [134]

Answer:

47.0

Step-by-step explanation:

In this right angle triangle, we are faced with a challenge of two sides. The opposite side and the adjacent side, hence the tangent is used.

Where it is the opposite side and hypothenus side, the sine is used and when it is the hypothenus side and adjacent side, the cosine is used.

Hence, we have tan62°=x/25

We cross multiply, to have

25(tan 62°)= x

x = 47.01816

In rounding up numbers, number 1 to 4 will be rounded up to zero, while numbers 5 to 9 will be rounded up to 1.

Rounding up 47.01816 to the nearest tenth. The tenth value is the figure is 0, before it we have 1, which is to hundredth. 1 will be rounded up to zero.

So we have 47.0

3 0
3 years ago
Alyssa and her 4 friends (5 people total) share 3 pizzas equally. How much of one pizza does each person get?
rodikova [14]

Answer: 1.5 pizzas

Step-by-step explanation:

4 0
3 years ago
Max wakes up at 7:00am. It take him 10 minutes to get dressed, and 5 minutes to eat breakfast. The bus will pick up max at 7:40a
irinina [24]
Note: I will be using the information in your attachment to answer the question.
Add the minutes to the initial time: 7:00 + 10 minutes + 7 minutes + 5 minutes = 7:22
He will be ready to board the bus at 7:22.
Subtract this time from the time the bus is schedule to pick him up: 7:40 - 7:22 = 18
Max will have 18 minutes before the bus picks him up.
3 0
3 years ago
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