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Vilka [71]
3 years ago
12

PLEASE HELP Reduce the fraction to lowest terms. K+7/4k+28

Mathematics
1 answer:
Dvinal [7]3 years ago
7 0

Answer:

1/4

Step-by-step explanation:

K + 7 / 4k + 28

The above expression can be simplified to its lowest term as follow:

K + 7 / 4k + 28

Factorise the denominator

(k + 7) / 4(k + 7)

Cancel out the common terms i.e (k + 7)

(k + 7) / 4(k + 7) = 1/4

Thus, (k + 7) / (4k + 28) in its lowest term is 1/4

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Pls help me guys!<br> And Pls explains how you got the answer!<br> Thanks :D
ollegr [7]

Answer:

Its 8

Step-by-step explanation:

I know this because 8 is the only number they give you the other numbers they dont suply. Ps dont use my spelling and you might want to come up with a better answer. good luck

6 0
4 years ago
Mary chooses an integer at random from 1 to 6. What is the probability that the integer she chooses is a prime number?
Tpy6a [65]

Answer: 3 out of 6

Step-by-step explanation:

The numbers she choses from are 1-6 therefore its out of 6

The prime numbers before six are two, three, and five.

therefore its 3/6 chance or 1/2 chance she picks a prime number.

5 0
4 years ago
Slices of cheese come in packs of 8. Eggs come in packs of 12. What is the least number of omelettes you can make using one egg
sleet_krkn [62]
You would make at least 24 eggs ( 3 packs of eggs and 2 packs of cheese )
Hope it helps
7 0
3 years ago
A tank of water has a base a circle of radius 2 meters and vertical sides. If water leaves the tank at a rate of 4 liters per mi
Alex Ar [27]
In 1 minute, 4 litre water leaves = 4*1000 cubic cm = 4000 * (10^{-2} )^{3} m^{3}= 4000 * 10^{-6 } m^{3} = 4 *10^{-3 }m^{3}
so, the height decrease = Volume/area =
 \frac{4*10^{-3}}{ \pi *2^{2}} \\  = \frac{4*10^{-3}}{4*\pi} \\  =  10^{-3}/\pi = 0.318 * 10^{-3} m = 0.318 cm
 
hence water level in cm falling per min = 0.318
hence water level in cm falling per hr= 0.318 * 60 = 19.09
4 0
3 years ago
Hamburgers cost $3 and hotdogs cost $2. The total cost of buying b hamburgers and d hotdogs can be expressed by C=3b+2d. How can
Temka [501]
C = 3b+2d is the same as 3b+2d = C

Let's isolate d. To do this, we first need to subtract 3b from both sides

3b+2d = C
3b+2d-3b = C-3b
2d = C-3b

Then divide both sides by 2

2d = C-3b
2d/2 = (C-3b)/2
d = (C-3b)/2

Take note of the parenthesis as they are very important. We want to divide ALL of C-3b over 2. We don't want to just divide -3b over 2.

The answer choices you have aren't 100% clear but I have a feeling your teacher meant to say d = (C-3b)/2 instead of d = C-3b/2 for choice A

If that assumption is correct, then the answer is choice A.
7 0
3 years ago
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