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DerKrebs [107]
3 years ago
5

GEOMETRY 15 POINTS PLEASE HELP

Mathematics
1 answer:
zhuklara [117]3 years ago
5 0

Answer:

y is four:)

Step-by-step explanation:

7y+5 = 9y-3

7y+8 = 9y

8 = 2y

4 = y

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One of the ancient stone pyramids in Egypt has a square base that measures 140 m on each side. The height is 96 m. What is the v
miv72 [106K]

Volume of a pyramid = \frac{1}{3}*base*height

Given base is = 140 m

Given height is = 96 m

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Hence, volume of pyramid is 4480 m³

4 0
3 years ago
a box contains 4 yellow, 5 green and 3 blue balls. find the probability of obtaining a yellow ball in a single random draw.
Alex

Notice that the box has a total os 4 + 5 + 3 = 12 balls, since there are 4 that are yellow, then, the probability to randomly obtaining a yellow ball in a single draw is:

P(Yellow)=\frac{\text{ number of yellow balls}}{\text{total number of balls}}=\frac{4}{12}=0.33

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7 0
1 year ago
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3 0
3 years ago
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Sandra has designed this open container. The height of the container is 35 cm.
pogonyaev

Answer: there is no figure so no answer

Step-by-step explanation: with out the rest of the equations there is no way to answer this.

7 0
3 years ago
Traveling at an average rateaverage rate of between 40 and 50 miles per hour for 3 to 4 hours select the best estimate for the d
JulijaS [17]

Answer:

160 miles

Step-by-step explanation:

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Time 1 = 3 hrs,  time 2 = 4 hrs

Distance 1 = speed 1 × time 1

= 40× 3 = 120 miles

Distance 2 = speed 2 × time 2

= 50 × 4 = 200 miles

Average distance = (distance 1+distance 2 ) ÷ 2

Distance = (200+120) ÷ 2 = 320 ÷2

= 160 miles

I hope this was helpful, please mark as brainliest

6 0
3 years ago
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