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Bess [88]
2 years ago
13

HELP ME PLEASE ITS MATH

Mathematics
2 answers:
zysi [14]2 years ago
6 0

Answer:

D. 5 units

Step-by-step explanation:

Using the pythagorean theorem:

a^2 + b^2 = c^2\\a = 3\\b=4\\3^2 + 4^2 = c^2\\9 + 16 = c^2\\25 = c^2\\c= 5

Here's a picture of what this looks like and a deeper explanation:

viktelen [127]2 years ago
4 0

Answer:

the answer is C because all you need to do is just count how many there are

Step-by-step explanation:

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A car travels along a straight road for 30 seconds starting at time t = 0. Its acceleration in ft/sec2 is given by the linear gr
I am Lyosha [343]
From an acceleration-time graph, you can work out the area under the graph to find the velocity. There are two triangles on the graph as shown below. The total area of the triangles are

\frac{(10)(10)}{2}+ \frac{(20)(20)}{2}=250 ft/sec^{2}

Hence, the distance is 250×30=7500 ft

8 0
3 years ago
A rocket travels 2.8x10^4 km h^-1. find how far it travels in 5 hours
mixas84 [53]

It is given in the question that, a rocket travels 2.8x10^4 km h^-1.

It means in one hour, the rocket travels

2.8* 10^4km.

And we have to find how much the rocket travels in 5 hours, and for that we have to do multiplication, that is

2.8*10^4 *5 = 14*10^4 = 1.4* 10^5 km

8 0
3 years ago
A survey found that 2 out of 8 students do not own a pet. If there are 480 students in a school, what is a reasonable prediction
Vlad [161]
A. 360 is the answer
5 0
3 years ago
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Alexander placed four straws on his table.
Diano4ka-milaya [45]

Answer:D (straws 2 and 4)

Step-by-step explanation:

The answer is D becuase those two straws intersect at point and create 90° angle

6 0
3 years ago
Can anyone help me and explain as well
Citrus2011 [14]

Answer:

3x2-3x+9

Step-by-step explanation:

(h-k)(3)

(X2+1-(x-2))(3)

(x2+1-x+2)(3)

3x2+3-3x+6

3x2-3x+9

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3 years ago
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