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Alex787 [66]
3 years ago
15

PLEASE HELP !!!!!!!!!!! WILL MARK BRIANLIEST !!!!!!!!!!!!!

Mathematics
2 answers:
AveGali [126]3 years ago
8 0

Answer: 1 boy for every 3 girls

Step-by-step explanation:

I put 30/45 into a fraction and simplified.

Igoryamba3 years ago
4 0

Answer:

3:2

Step-by-step explanation:

I'd say 3:2 because when you divide 45/30, you get 3/2, which is the same as 3:2. Hope this helps!

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What is the missing value of n that will make the equation true? 3^8 . 3^n= 3^14
marissa [1.9K]

Answer:

n = 6

Step-by-step explanation:

{3}^{8} . {3}^{n}  =  {3}^{14}  \\  {3}^{8 + n}  =  {3}^{14}   \\ 8 + n = 14 \\ n = 14 - 8 \\ n = 6

7 0
3 years ago
12(5 x-4.5)=36 what is the value of x
-Dominant- [34]

Answer:

x=

3 /2

Step-by-step explanation:

12(5x−4.5)=36

(12)(5x)+(12)(−4.5)=36(Distribute)

60x+−54=36

60x−54=36

Step 2: Add 54 to both sides.

60x−54+54=36+54

60x=90

Step 3: Divide both sides by 60.

60x

60

=

90 /60

x=

3 /2

6 0
3 years ago
What is 36% of 745? Show work
kogti [31]
745/x=100/36
<span>(745/x)*x=(100/36)*x
</span><span>745=2.7777777777778*x
</span>(2.7777777777778) to get x
<span>745/2.7777777777778=x </span>
<span>268.2=x </span>
<span>x=268.2
</span>
answer <span>36% of 745=268.2</span>
8 0
3 years ago
Write an equation of the line that passes through (4,-1) and is parallel to the line -3x +y= 7
Gala2k [10]

Answer:

y = 3x -13

Step-by-step explanation:

y = 3x + 7

-1 = 3(4) + b

-1 = 12 + b

-13 = b

y = 3x -13

4 0
2 years ago
Determine which consecutive integers do not have a real zero of f(x) = x3 + 5x2 - x - 6 between them.
Sunny_sXe [5.5K]
The answer is c. I took the test
4 0
3 years ago
Read 2 more answers
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