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Vilka [71]
3 years ago
10

What's 7/8 + 7/12, no pictures

Mathematics
2 answers:
Kamila [148]3 years ago
8 0
7/8+7/12 The denominators must be the same so we have to find the lcm of 8 and 12 which is 24. To get 24 you must multiply 8 by 3 and 12 by 2. Then u multiply the numerators by the same number you multiplied the denominators with. 8x3=24, 7x3=21 and 12x2=24, 7x2=14 = 21/24+ 14/24 Now we can add the numerators together and your denominators stay the same . 21+24=35 So now your answer is 35/24 Then you turn the improper fraction into a mixed number 24x1= 24 plus 11= 35 so your answer is 1 11/24
OverLord2011 [107]3 years ago
6 0
7/8 + 7/12 = 35/24 = 1 11/24
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Simplify square root of five times square root of eight.
kipiarov [429]

Answer:

1. two square root of ten

Step-by-step explanation:

Given expression is:

\[\sqrt{5}* \sqrt{8}\]

Simplifying the expression:

\[\sqrt{5}* \sqrt{4 \ast 2}\]

= \[\sqrt{5}* \sqrt{4}*\sqrt{2}\]

= \[\sqrt{5}* 2*\sqrt{2}\]

= \[2 * \sqrt{5} * \sqrt{2}\]

= \[2 * \sqrt{10}\]

So among the given options, option 1 is the correct one,namely, two square root of ten.

5 0
4 years ago
Read 2 more answers
Simplify completely quantity 12 x plus 36 over quantity x squared minus 4 x minus 21 and find the restrictions on the variable..
Softa [21]
To simplify the expression stated, it is better to write it in the numerical form. The statement is:

<span>quantity 12 x plus 36 over quantity x squared minus 4 x minus 21

The numerical form is:

12x+36 / (x</span>²-4x-21)

Simplifying,
12x+36 / (x<span>²-4x-21)
</span>12 (x+3) / (x+3)(x-7)

We can cancel the x+3 term, leaving only:
12/(x-<span>7)</span>
3 0
3 years ago
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Find the x-intercepts of the parabola y=−x2+x+12.
babymother [125]

Answer:

Your x-intercepts are -(3, 0) and (4, 0).

Step-by-step explanation:

8 0
2 years ago
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Karl has 5 pounds of flour to bake cookies. Each batch of cookies uses 13 pound of flour. After Karl bakes 7 batches of cookies,
Greeley [361]
This question makes no sense. If Karl only has 5 pounds of flour and each batch of cookies uses 13 pounds of flour, then he doesn’t even have enough to make 1 batch of cookies let alone 7 batches.
7 0
3 years ago
Caroline rolls a fair dice 480 times. How many times would Caroline expect to roll a six?
Gnom [1K]
A fair die has 6 sides so a 1/6 chance for each number
So divide 480/6= 80
80 times for each number, 80 for 6
8 0
3 years ago
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