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Art [367]
3 years ago
10

What is a statement of equality?

Mathematics
1 answer:
Tju [1.3M]3 years ago
7 0

Answer:

the equality between A and B is written and pronounced A equals to B

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junior rides his trucycle off a level porch. If he left the porch at a speed of 4 m/s and landed a horizontal distance of 2.5m f
WITCHER [35]

Answer:

the height of the porch is H=1.91 m

Step-by-step explanation:

neglecting friction and assuming that the porch is horizontal, then the horizontal speed is v₀= 4 m/s and it does not change , thus he hits the base at

t= L/v₀ , L= horizontal distance

then for vertical motion , since the vertical velocity vy is 0 , the initial height is H ( the height of the porche)  and the final height hf is 0 , we have

hf = H + vy*t - 1/2*g*t²

0 = H + 0 -1/2*g*t²

H = 1/2*g*t² = 1/2*g*(L/v₀)²

replacing values with g= gravity = 9.8 m/s²

H = 1/2*g*(L/v₀)² = 1/2*9.8 m/s² *( 2.5 m/ 4 m/s)² = 1.91 m

therefore the height of the porch is H=1.91 m

6 0
3 years ago
195, 315, 540, 713, 1105 ¿Cuáles son divisibles entre 13?
vredina [299]

Answer:

I will translate and will be right with you

Step-by-step explanation:

6 0
3 years ago
Find the percent of decrease if 110 is decreased to 88 A) 125% B)80% C)20%
stich3 [128]

Hey there! I'm happy to help!

We have 110 minus a certain percent of 110 equals 88. Let's call this percent p and solve.

110-110p=88

We subtract 110 from both sides.

-110p=-22

We divide both sides by 110.

p=0.2

Therefore, the percent decrease is C) 20%.

Have a wonderful day! :D

4 0
3 years ago
Read 2 more answers
Lucy drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took hours. When Lucy drove hom
Anastasy [175]

Answer:

The question is incomplete, the complete complete question will be:

Lucy drove to the mountains last weekend. There was heavy traffic on the way there, and the trip took 9 hours. When Lucy drove home, there was no traffic and the trip only took 4 hours. If her average rate was 40 miles per hour faster on the trip home, how far away does Lucy live from the mountains?

Lucy live at a distance of 288 miles from the mountains.

Step-by-step explanation:

DATA:

To the mts DATA:

Time = 9 hrs

Rate = r mph

Distance = 9r miles

From the mts DATA:

time = 4 hrs  

rate = r+40 mph  

distance = 4(r+40) miles

SOLUTION

Distance to = Distance from

9r = 4r + 160

5r = 160

r = 32 mph

RESULT:

Distance = 9r = 9*32 = 288 miles

8 0
3 years ago
Bob is thinking about leasing a car. The lease comes with an interest rate of 8%. Determine the money factor that will be used t
artcher [175]
Money factor is an alternative way in solving leasing problems. money factor can be converted to annual percentage rate ( APR) and vice versa.

APR = 2400 x money factor
so money factor can be solve using
money factor = APR / 2400
money factor = 8% / 2400
money factor = 0.0033333
5 0
3 years ago
Read 2 more answers
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