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vitfil [10]
2 years ago
6

Nga

Mathematics
1 answer:
andrezito [222]2 years ago
5 0

Answer:

Step-by-step explanation:

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Celine's book club read 42 books over 14 months. How many total months will it take them to read 57 books? Solve using unit rate
miskamm [114]

Answer:

Step-by-step explanation:

42/14 = 57/x

42x = 57*14

42x = 798

x = 19 months

4 0
3 years ago
What is the area of this circle?<br><br> a 1,017.36<br> b 254.34<br> c 28.26<br> d 56.52
Licemer1 [7]

Answer:

b

Step-by-step explanatiobn:

b

5 0
2 years ago
Read 2 more answers
Solve this and help me plsss​
alexandr402 [8]

Answer:

x = 2

Step-by-step explanation:

(x² logₓ27) log₉x = x + 4

Use change of base formula.

x² (log 27 / log x) (log x / log 9) = x + 4

Simplify.

x² (log 27 / log 9) = x + 4

x² (log 3³ / log 3²) = x + 4

x² (3 log 3 / (2 log 3)) = x + 4

x² (3 / 2) = x + 4

3x² = 2x + 8

3x² − 2x − 8 = 0

(x − 2) (3x + 4) = 0

x = 2 or -4/3

Since x > 0, x = 2.

8 0
3 years ago
Express x% of 4 plus y% of 5 as a percentage of 11
djverab [1.8K]
X% of 4 = x*4/100 = 0.04x

y% of 5 = x*5/100 = 0.05y

x% of 4 + y% of 5 = 0.04x + 0.05y

How you express a number, n, as percentage of 11?: [n/11]*100= 9.10n %

Then make n = 0.04x + 0.05y

9.10n %= 9.10[0.04x + 0.05y] %= (0.3656x + 0.455y)%

.


 



4 0
3 years ago
N times 5 is equal to 24<br><br> word in equation and solve for variable
Lyrx [107]

Step-by-step explanation: Remember that "times" mean multiply.

So reading the problem from left to right, we have n times 5,

that's n multiplied by 5 or 5n, is means equals, 24.

So we have 5n = 24.

We want to solve our equation for n so we want to get

n by itself on the left side of the equation.

Since n is being multiplied by 5, we need to divide both sides

of the equation by 5 and we have n = 24/5.

Don't be nervous to check your answer back in

the original equation even if it is a fraction.

6 0
3 years ago
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