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AlladinOne [14]
3 years ago
9

ADDING FRACTIONS:

Mathematics
2 answers:
bazaltina [42]3 years ago
7 0

Here is your answer:

  • \frac{4}{11} + \frac{3}{8}
  • \frac{4}{11}\times 8 = \frac{32}{88}+\frac{3}{8} \times 11 =\frac{33}{88}
  • 32 + 33 = 65 =\frac{65}{88}
  • = \frac{65}{88}

Therefore the answer is "65/88."

Hope this helps!

Umnica [9.8K]3 years ago
4 0

Let's first convert the denominators into one both fractions can have. I usually just multiply the two denoninators.

11 x 8 = 88

8 x 11 = 88

Then I multiply the numerators by what I multiply their denominators by to get 88.

4 x  8 =32

3 x 11 = 33

32/88 + 33/88 = 65/88

65/88

I can't find number that can simplify 65/88, so I think that's the lowest terms!

Hope this helps.

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A trampolinist steps off from 15 feet above ground to a trampoline 13 feet below. The function h (t) = -16 t 2 + 15, where t rep
kondor19780726 [428]

Answer:

Trampolinist will land on the trampoline after 0.9 seconds.

Step-by-step explanation:

The function h(t) = -16t² + 15 represents the relation between height 'h' above the ground and the time 't' of the trampolinist.

We have to find the time when trampolinist lands on the ground.

That means we have to find the value of 't' when h(t) = 15 - 13 = 2

[Since trampoline is 2 feet above the ground]

When we plug in the value h(t) = 2

2 = -16t² + 15

2 + 16t² = -16t² + 16t² + 15

16t² + 2 = 15

16t² + 2 - 2 = 15 - 2

16t² = 13

\frac{16t^{2}}{16}=\frac{13}{16}

t^{2}=\frac{13}{16}

t = \sqrt{\frac{13}{16}}

t ≈ 0.9 seconds

Therefore, trampolinist will land on the trampoline at 0.9 seconds.

5 0
3 years ago
Someone PLEASE help me this is insane!
yaroslaw [1]

Answer: I think -131

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Please Help!!!
meriva
<span>3.9 - 0.234 = 3.666

Hope it helped
</span>
8 0
3 years ago
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ASAP!! Please help me. I will not accept nonsense answers, but will mark as BRAINLIEST if you answer is correctly with solutions
EleoNora [17]

Answer:

<h3> X = 2 , X = -3</h3>

Option C is the correct option.

Step-by-step explanation:

f(x) = a {x}^{2}  + bx + c

Discriminant = {b}^{2}  - 4ac

Given d = 15

When discriminant D > 0 --> roots are real and distinct. ( unequal )

So , {3}^{rd} option has real and distinct roots.

Hope this helps..

Best regards!!

4 0
4 years ago
Simplify the expression
Naily [24]

Answer:

6

Step-by-step explanation:

3 sqrt(20) / sqrt(5)

We know that sqrt(a) /sqrt(b) = sqrt(a/b)

3 sqrt(20/5)

3 sqrt(4)

3 *2

6

4 0
3 years ago
Read 2 more answers
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