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natulia [17]
4 years ago
7

How many surfaces does a rectangular prism have?

Mathematics
1 answer:
juin [17]4 years ago
4 0
A rectangular prism has 6 surface.
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Evaluate the expression when a = 2 and b = 4. 6a – 2b + 5 A. 43 B. 1 C. 45 D. 9
tamaranim1 [39]
Hi there!
6(2) -2(4) +5
12-8+5
So D would be correct.
6 0
4 years ago
Write a system of inequalities that defines a shaded region that looks like a<br> right triangle.
eduard

(1) \ x>0 \\ \\ (2) \ y>0 \\ \\ (3) \ y

<h2>Explanation:</h2>

A right triangle is a special triangle that has a right angle. In this case, we have to write a system of inequalities that defines a shaded region that looks like a  right triangle. First of all, let's say that at the origin the triangle will have a right angle. To do so, we'd need to set:

x>0 \\ \\ y>0

So the shaded region in this first part will be the First Quadrant as indicated in the first figure below. So if the opposite side lies on the x-axis the adjacent side will lie on the y-axis or if the adjacent side lies on the x-axis the opposite side will lie on the y-axis. Everything is ok up to this point. We just need to define the hypotenuse, so we'd need to define a line.  In order to have a right triangle, we need a line with negative slope and positive y-intercept shaded under the line. So, this inequality could be:

y

Finally, the system of inequalities would be:

(1) \ x>0 \\ \\ (2) \ y>0 \\ \\ (3) \ y

And the final shaded region is the one shown in the second figure.

<h2>Learn more:</h2>

Inequalities: brainly.com/question/2486051

#LearnWithBrainly

3 0
3 years ago
A group of students formed a circle during a game. The circumference of the circle was about 43.96 feet, and the diameter of the
Tpy6a [65]

Answer:

c)7/43.96

Step-by-step explanation:

a) 43.96/7

b)43.96/14

c)7/43.96

d)14/43.96

7 0
4 years ago
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400*0.84= 33.5 Euros
If Margo exchanges $1 at 0.84 euro then $400 would be 33.4 Euros
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Which work or words correctly complete each sentence?
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The answer is his mother kept HIM
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