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STatiana [176]
3 years ago
6

Tito wrote the following on the board. What is the unknown number?

Mathematics
2 answers:
lora16 [44]3 years ago
7 0
400
wwwwwwwwwwwwwwwwwwee
scoundrel [369]3 years ago
3 0

Answer:

400

Step-by-step explanation:

It's because 50 times 8 is 400.

Also, it has to be 400 because the only number multiplied by 10 that gives 4000 is 400.

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What is the value of x in a right triangle when the other two sides are each 12. Write in simplest radical form
Alexus [3.1K]

Step-by-step explanation:

x is the hypotenuse so it means the other ones that are adjacent and opposite and you're looking for the hypotenuse so you can do c Square equals to a square + b square

4 0
3 years ago
The ratio of books to magazines at jess house is 5:3 they are 21 magazines at jess house how many books are there?
TiliK225 [7]
First, 5/3 = 1.6
21 x 1.6 = 34.99999999
But, when I put it in a calculator, the 1.6 was repeated so:
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6 0
2 years ago
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Please help me with number 4!
Mariulka [41]

Answer:

x = 20√2 and y = 20√3.

or x = 28.28 and y = 34.64 to the nearest hundredths.

Step-by-step explanation:

Take the 2 'inside' triangles. They are similar.

So we have  x / (60-40) = 40 / x

x/ 20 = 40 /x

x^2 = 800

x = √800

x = 20√2

y = √(800 + 20^2)

= √(1200)

= 20√3.

8 0
3 years ago
A plumber charges 130 to start job plus 56 per hour . How many hours did she work if the total bill is 214
iragen [17]

Answer:

The plumber worked for 1.5 hours

Step-by-step explanation:

y = 130 + 56x

Substitute 214 for y in the equation

214 = 130 + 56x

-130   -130                      Subtract 130 from both sides

84 = 56x                         Divide both sides by 56

1.5 = x

4 0
3 years ago
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42.1% of 375.4 =
igomit [66]
The answer is 0.744 just do the math 
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