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dusya [7]
3 years ago
9

Please helppp plesseee

Mathematics
1 answer:
bija089 [108]3 years ago
3 0

Answer:

y = \sqrt{7^{2}  + 3^{2} }

D. 7.6

Step-by-step explanation:

y² = 7² + 3²

y² = 49 + 9

y² = 58

y = (58)^½

y = Rationalize(7.61577310586) ~ 7.6

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PLEASEEEEE I NEED HELPPPPP !!!!!!!
velikii [3]
(Volume for a rectangular shape is length x width x height)

We can split up this 3D composite figure into two main parts (as shown in the picture I attached), and find each part’s volume before adding them together for the total volume.

Cube —> 5x5x5 —> 25x5 = 125 in^3

Rectangular Prism —> 20x5x5 —> 100x5 = 500 in^3

125 + 500 = 625

So the answer is A. 625 in^3

Hope this helped! If I was correct, I’d appreciate it if you marked my answer as Brainliest.

7 0
3 years ago
A bus can hold 42 students
dsp73

Answer:

10, there will be 20 left open

Step-by-step explanation:

if each bus holds 42 students and there are 400 going then you need to divide 400 by 42, and then round up, to find how many seats will be left open, you take the answer and then multiply it by 42 and then subtract 400.

sorry for not putting my work last time.

8 0
4 years ago
A student solved this problem and said the answer was 2 1 1/2 miles.
Cloud [144]
So do (21/2+49/4)-3/2=You get 21 1/4 miles
Since 21 1/4 is close to 21 1/2,  this answer is reasonable.  So A is the answer
4 0
4 years ago
A 75 lb boy and a 65 lb girl play on a seesaw. The seesaw is 14 ft long and is pivoted exactly in the middle. If the girl sits o
GREYUIT [131]

Answer:  6 feet from the pivot point

<u>Step-by-step explanation:</u>

Girl's weight x distance from center = Boy's weight x distance from center

65 (7) = 75x

\dfrac{65(7)}{75}=x

6.066 = x

The boy needs to be placed 6 feet from the center (aka pivot point) which is the same as saying 1 foot from the end of the seesaw.

5 0
3 years ago
If x=-3 , y= -4, find x2 +y2 and x2 – y2
yan [13]

Answer:

x^2+y^2 = 9+16 = 25

x^2-y^2 = 9-16 = -7

5 0
3 years ago
Read 2 more answers
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