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vlada-n [284]
3 years ago
11

Last one in math! Help Me

Mathematics
2 answers:
skad [1K]3 years ago
4 0
The answer is C 4.29 kilometers.

First, multiply 0.55 × 5 = 2.75
( we multiply by 5 because there are 5 days in a week )
Then, we multiply 0.55 × 1.4 = 0.77
( we multiply by 1.4 because it said 1.4 times as the weekdays )
After that, we take 0.77 and multiply it by 2, like this 0.77 × 2 = 1.54
( we multiply by 2 because there are 2 days in the weekend )
Finally, we add 1.54 + 2.75 = 4.29

That's how you get your answer C 4.29 kilometers

Hope this helps!!
Andre45 [30]3 years ago
3 0
I CALCULATED IT AND GOT
C) 4.29
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Please help due tomorrow
mel-nik [20]

Answer: x= 2.5, y = 10

Step-by-step explanation:

<u><em>I'm going to assume that these photocopies are proportional in relations to each other.</em></u>

If they're proportional, you can set up two proportions:

1) \frac{x}{5} =\frac{3}{6} \\\\2) \frac{5}{y} =\frac{3}{6}

And cross-multiply:

1) 6x = 5*3 \\\\2) 3y = 5*6

Then solved for x and y:

1) 6x = 15\\x=\frac{15}{6} =\frac{5}{2} =2.5 \\\\2) 3y = 30\\y=\frac{30}{3} =10

5 0
3 years ago
If 8=2, 7=31 and ead=102,find 9
g100num [7]
M<7 + m<8 + m<9 = m<EAD

31 + 22 + m<9 = 102

53 + m<9 = 102

m<9 = 49
3 0
3 years ago
Which function below is the inverse of f(x) = x^2-9
USPshnik [31]
To find the inverse
replace f(x) with y
switch all x and y
solve for y
replace y with f⁻¹(x)

f(x)=x^2-9
y=x^2-9
x=y^2-9
x+9=y^2
sqrt both sides
\sqrt{x+9}
replace
f⁻¹(x)=\sqrt{x+9}

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5 0
3 years ago
It rained 18 days during the month of April what percentage of day did it not rain during the month of April
kotykmax [81]
There are 30 days in April.

If 18 days had rain, it means 12 didn't.

18/30=x/100

Make sure both fractions can be made into fractions with a denominator of 100:

180/300=x/100

Divide 180/300 by 3:

60/100=x/100

This shows that the 18 days that did rain take up 60% of the whole month.

So then the remaining 12 days that didn't have rain must take up 40% of the month.

Solution:
40% of the days did not have rain during the month of April
6 0
3 years ago
Solve the equation by using the Properties of Equality.<br> 9x – 3 = 42
Naya [18.7K]

Step-by-step explanation:

9x-3=42

9x=42+3

9x=45

9x/9=45/9

x=5

3 0
3 years ago
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