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inn [45]
3 years ago
12

63 is 90% of what number? using double number lines to get the answer

Mathematics
2 answers:
iren2701 [21]3 years ago
7 0
Since the 90% is 63. divide it by 9. then you would get value of 7. then multiple it by 10.
which is equal to 70. so 100% is 70.
aleksley [76]3 years ago
6 0

Answer:

70.

Step-by-step explanation:

Let x be the required number.

We are asked to find the number whose 90% equals to 63.

We can represent our given information in an equation as:

\frac{90}{100}\cdot x=63

Now, we need to solve for x.

0.90x=63

\frac{0.90x}{0.90}=\frac{63}{0.90}

x=70

Therefore, 90% of 70 is 63.

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Please help me due today i really need ur help :(
enyata [817]

Answer:

1) B. $12

2) B. Rich burns 1 more calorie per minute than Katie

3) C. Jeffery walks 5 meters per minute slower than Fumi.

Step-by-step explanation:

1)  earnings / hours = salary

salary = 24/2 = 60/5 = 96/8 = 12

salary = $12

2) The question describes Rich's graph to have the function of "y=8x." The graph shown that represents Katie's number of burned calories has the function of "y=7x." From that we can conclude Rich burns one more calorie per minute. See attached file for graph.

3) The question describes Fumi's graph to have the function of "y=85x." In order to find the function of Jeffrey's graph, we must use the two points provided from the graph. The point (10, 800) tells us that the point (1,80) would also fall on the line. From that, we can determine Jeffery's function to be "y=80x." 80 is 5 less than 85, so Fumi walks 5 meters per minute faster than Jeffery.

4 0
3 years ago
At​ most, how many one sixth 1 6​-inch-long pieces of string can you cut from a two thirds 2 3​-inch-long piece of​ string?
bija089 [108]
2\3 23-1\6 16
2\3-1\6=5\6
23-16=7
7 5\6
4 0
3 years ago
1+4 =5, 2+5=12, 3+6=21 then 8+11 ...
Katena32 [7]
The answer to 8 + 11 is 19
4 0
3 years ago
Read 2 more answers
How much money should be deposited today in an account that earns 4% compounded semi annually so that it will accumulate to 13,0
DedPeter [7]

Answer:

$11543.63

Step-by-step explanation:

<u>Plug information into A=P(1+r/n)^nt</u>

13000 = P(1+(.04/2))^(2*3)

13000 = P(1.02)^6

<u>Isolate P</u>

13000/(1.02^6) = P

P = $11543.63

5 0
2 years ago
Y=2x+5 and y=3x+2 using substitution strategy
WINSTONCH [101]

Answer:

Hi there the answer will be (3,11)

Since you are using the substitution way, you first plug in one of the y's into the other equation and you can see that they are set equal to each other.

2x+5=3x+2

Then you subtract 2x on both sides to get the x's on the same side

and you get 5=x+2

Then you subtract 2 on both sides, and you get x to equal to 3

then you plug x into any equation to get y to equal 11

y= 2(3)+5

5 0
3 years ago
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