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Aleks04 [339]
3 years ago
11

Plz help will mark as brainliest

Mathematics
1 answer:
Maru [420]3 years ago
3 0

Answer: the second option !!!

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Eight hundred forty nine divided by four
storchak [24]

Answer: 223.5

Step-by-step explanation:

3 0
3 years ago
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Make b the subject of the formula <br><img src="https://tex.z-dn.net/?f=k%20%3D%20%20%5Cfrac%7Bbrt%7D%7Bv%20-%20b%7D%20" id="Tex
balu736 [363]

Answer:

b = \frac{kv}{k+rt}

Step-by-step explanation:

Given

k = \frac{brt}{v-b} ← multiply both sides by (v - b)

k(v - b) = brt ← distribute left side

kv - kb = brt ( subtract brt from both sides )

kv - kb - brt = 0 ( subtract kv from both sides )

- kb - brt = - kv ( multiply through by - 1 to clear the negatives )

kb + brt = kv ← factor out b from each term on the left

b(k + rt ) = kv ← divide both sides by (k + rt )

b = \frac{kv}{k+rt}

5 0
3 years ago
Express 120% as a fraction in simplest form
Kisachek [45]

Answer:

6/5

Step-by-step explanation:

120% turns into 120/100 and from there you simply

3 0
3 years ago
Rewrite using a single positive exponent.<br> 6^5<br> 6
Fiesta28 [93]

Answer:

6^{4}

Step-by-step explanation:

using the rule of exponents

\frac{a^{m} }{a^{n} } = a^{(m-n)}

note that 6 = 6^{1} , then

\frac{6^{5} }{6} = 6^{(5-1)} = 6^{4}

7 0
3 years ago
Ben is 39 years old and Ishaan is 3 years old. How many years will it take until Ben is only 4 times as old as Ishaan?
Evgen [1.6K]

Answer:

9\ years

Step-by-step explanation:

Let

x------> the number of years

we know that

(39+x)=4(3+x)

Solve for x

39+x=12+4x

4x-x=39-12

3x=27

x=9\ years

4 0
3 years ago
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