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prisoha [69]
3 years ago
9

Caleb 9/10 had of a sweet fraction bar . He gave Mika 6/10 of the candy bar .what fraction of the candy bar does he have left

Mathematics
2 answers:
a_sh-v [17]3 years ago
8 0

he has 3/10 of the candy bar left.

harina [27]3 years ago
3 0

Answer:

3/10

Step-by-step explanation:

subtract 9/10 from 6/10

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What percent of 7 is 2?
Liono4ka [1.6K]
It is 350% I think, because you are trying to find how many groups of 2 go into 7. So, you have to divide 7 by 2. You get 3.5. 3.5 in percentage form is 350%
6 0
3 years ago
The function h(t) = -16t^2 + 16t represents the height (in feet) of a horse (t) seconds after it jumps during a steeplechase.
Vladimir79 [104]
A.) To find the maximum height, we can take the derivative of h(t). This will give us the rate at which the horse jumps (velocity) at time t.

h'(t) = -32t + 16

When the horse reaches its maximum height, its position on h(t) will be at the top of the parabola. The slope at this point will be zero because the line tangent to the peak of a parabola is a horizontal line. By setting h'(t) equal to 0, we can find the critical numbers which will be the maximum and minimum t values.

-32t + 16 = 0

-32t = -16

t = 0.5 seconds

b.) To find out if the horse can clear a fence that is 3.5 feet tall, we can plug 0.5 in for t in h(t) and solve for the maximum height.

h(0.5) = -16(0.5)^2 + 16(-0.5) = 4 feet

If 4 is the maximum height the horse can jump, then yes, it can clear a 3.5 foot tall fence.

c.) We know that the horse is in the air whenever h(t) is greater than 0. 

-16t^2 + 16t = 0

-16t(t-1)=0

t = 0 and 1

So if the horse is on the ground at t = 0 and t = 1, then we know it was in the air for 1 second.
7 0
3 years ago
Given the function f(x) = 2|x + 6| -4, for what values of x is f(x) = 6?
photoshop1234 [79]

Answer:

f(x) = 2|x + 6|-4

6=2|x + 6|-4

10= 2|x + 6|

divide by 2

5=|x + 6|

x = 5-6

x = -1

so x should be -1

4 0
3 years ago
What are common prime factor of 77 and 242?​
Lunna [17]

Answer:

2 times 11 times 3511

Step-by-step explanation:

i kinda dont know what your asking but i tried

3 0
2 years ago
Write 7 more than w is 25 as an algebraic equation.
ludmilkaskok [199]

Answer:

w+7=25

Step-by-step explanation:

if you need it solved its

w+7=25

   -7 -7  

w=18

8 0
3 years ago
Read 2 more answers
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