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Grace [21]
3 years ago
11

I’m so bad at this ughhhhhhhhhhhhhhhhhhh

Mathematics
1 answer:
Alexus [3.1K]3 years ago
6 0

Answer:

a)6

b)v^2-u^2/2a

Step-by-step explanation:

a)Given that,

u=12

a= -6

s=9

We know that,

v^2=u^2+2as

or, v^2=(12)^2+2×(-6)×9

or,v^2=144-108

or,v^2=36

or, v=√36

∴v=6

         (Ans)

b)If ,v^2=u^2+2as

then, u^2+2as=v^2

or,2as=v^2-u^2

or, s=v^2-u^2/2a

∴s=v^2-u^2/2a

Hope ya find it helpful.. Thanks a lot...

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3 Latrell made a large pizza. He ate 10 of the
nordsb [41]

Answer:

10 if there is an error in the question (and of the pizza for dinner.)

or 20

Step-by-step explanation:

Just add what he ate for lunch and dinner

It never said how he cut his pizzas. Also it never said if he finished it or not.

7 0
3 years ago
A sphere has a diameter of 14 ft. Which equation finds the volume of the sphere?
aev [14]

Answer:

The volume of the sphere is 1436 in³

The equation is    

V = ⁴⁄₃ * 3.14 * (7ft)³

Step-by-step explanation:

radius = half of diameter

d = 14ft

r = 14ft / 2 = 7ft

To calculate the volume of a sphere we have to use the following formula:

V = volume

r = radius  = 7ft

π = 3.14

V = ⁴⁄₃πr³

we replace with the known values

V = ⁴⁄₃ * 3.14 * (7ft)³

V = 4.187 * 343 in³

V = 1436 in³

The volume of the sphere is 1436 in³

6 0
3 years ago
At a sale, coats were sold for 52% of their original price. If the coats originally cost $200 each, how much did a coat cost on
Talja [164]

Answer is 104

Step-by-step explanation:

8 0
3 years ago
Find the slope of the line connecting <br> (1, 7), (10, 1)
kari74 [83]

Slope = (Y2 -Y1) ÷ (X2 -X1)

Slope = (1 -7) / (10 -1)

Slope = -6 / 9 = -0.6666666666666666


7 0
3 years ago
What operations are involved in the expression 9/3 +5?
Zina [86]
Division and addition are the only operations involved.
5 0
3 years ago
Read 2 more answers
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