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irga5000 [103]
2 years ago
5

What number is 50%of 30

Mathematics
2 answers:
jonny [76]2 years ago
8 0
50% of 30 is 15. 50% of anything is its half


Sophie [7]2 years ago
4 0
It would be 15. 50% is the same as half. So half of 30 is 15.
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Matt is making a scale model of a building the model is 3.4 feet tall the actual building is 41.848 ft tall.How many times as gr
ikadub [295]

41.848/3.4=12.308


The actual building is 12.306 times larger than the model.

3 0
2 years ago
What is (x − 3)(x − 5) = 35
JulijaS [17]

Answer:

x=10  x=-2

Step-by-step explanation:

(x − 3)(x − 5) = 35

FOIL

x^2 -5x-3x+15 = 35

Combine like terms

x^2 -8x+15 = 35

Subtract 35 from each side

x^2 -8x+15-35 = 35-35

x^2 -8x-20 =0

Factor

What 2 numbers multiply to -20 and add to -8

-10*2 = -20

-10 +2 = -8

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Using the zero product property

x-10 =0  x+2 = 0

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6 0
3 years ago
Rewrite the following expression using the properties of logarithms: log2z + 2log2z + 4log9y + 12log9x - 2log2y
Mashcka [7]

The rewritten form of the expression given in the task content in which case, the properties of the logarithm are used is; log2(z³/y²) + log9(y⁴x¹²).

<h3>What is the equivalent expression to the logarithmic expression given in the task content?</h3>

It follows from the task content that the logarithmic expression given in the task content is;

log2z + 2log2z + 4log9y + 12log9x - 2log2y

In which case, all terms are to their respective logarithmic bases.

Hence, it follows that; we have;

log2z³ - log2y² + log9y⁴ + log9x¹²

= log2(z³/y²) + log9(y⁴x¹²)

Read more on logarithm laws;

brainly.com/question/10208274

#SPJ1

4 0
2 years ago
Complete the square root... I NEED IT NOW PLEASE?!
pochemuha
I believe the answer is C




5 0
3 years ago
PLEASE HELP ME
irina [24]
Answer: pt 2 HOPE THIS HELPS!
7 0
2 years ago
Read 2 more answers
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