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3 years ago

16 is 25% of what number

Mathematics

2 answers:

puteri [66]3 years ago

4 0

To set this as an equation, you could use 16 = x/4. X = 64

vesna_86 [32]3 years ago

3 0

'is' in mathematics means equal
'of' in mathematics means multiplication

If we translate "16 is 25% of what number" into a mathematical equation, we get:

16 = 25% * x

25% can also be expressed as 25/100, since % or percent means over 100.

16 = 25/100 * x
16 = 0.25 * x

x = 16/0.25

x = 64

16 is 25% of 64<span>.</span>

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How do you convert 18x − 17y = 18 into slope intercept form?

Reptile [31]

Answer:

$y=-\frac{18}{17} + \frac{18}{17} x$

Step-by-step explanation:

First move x terms and numbers on one side, keep y on the other side.

y = mx+b is the form

18x -17y = 18

subtract 18x from both sides

-17y = 18 - 18x

divide both sides by -17

y = -18/17 + 18/17x

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7 0

3 years ago

I’m confused on this one

Lisa [10]

The angle x is half the sum of the intercepted arcs, PQ and NO.

... (1/2)(65° + 45°) = 55° = x° = m∠PMQ

3 0

3 years ago

The super cool X1400 will cost 60 per month to operate, while the Efficient Energy X2000 costs only $40 per month to operate?

vladimir1956 [14]

This isn't a complete question?

5 0

3 years ago

Kiara estimated that 45 customers bought fruit at her farm stand one day. The actual number of customers who bought fruit was 41

Reil [10]

So if she estimated 45 and has 41, then the error is 45-41=4

so find what percent=4/45
divide
4/45=0.0888888
percent=parts out of 100 so
x/100=x%

so 0.0888/1 times 100/100=8.8888/100
the answer is 8.88888% or rounded up is 8.9%
the answer is C

7 0

3 years ago

PLEASE SHOW WORK

Ne4ueva [31]

Answer:

S = 6

R = 10

Step-by-step explanation:

Givens

Let the Regular Tickets be R

Let the Senior Citizen tickets be S

Equations

85r + 24s = 994 (1)

45r + 12s = 522 (2)

Solution

Multiply equation 2 by 2

2(45r + 12s = 522)
90r + 24s = 1044 Subtract (1)
<u>85r + 24s = 994</u>
5r = 50 Divide by 5
5r/5 = 50/5 Do the division
r = 10

======================

Solve for s

45r + 12s = 522 Substitute r = 10
45*10 + 12s= 522 Simplify the left
450 + 12s = 522 Subtract 450 from both sides
450-450 + 12s = 522-450 Simplify
12S= 72 Divide by 12
12S/12 = 72 Do the division
S = 6

5 0

3 years ago