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mash [69]
3 years ago
9

I need help lol ????

Mathematics
1 answer:
Fed [463]3 years ago
5 0

Answer:

Step-by-step explanation:

1.

x/50= 84/100

x= 4200/100

x= 42

Needed to score a 42/50 to get an 84%

2.

x/75 = 96/100

x= 7200/100

x= 72

Needed to score a 72/75 to get a 96%

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Step-by-step explanation:

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3 years ago
Question 4<br> What is the value of x? n10 / n12 = n*<br> need answer will mark brainlist
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Answer:

Step-by-step explanation:

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8 0
3 years ago
What is $6.25 marked up 25%
Marta_Voda [28]

Answer:

$6.25 marked up 25% is $7.81

Step-by-step explanation:

First, you have to find what 25% is of 6.25.

Step 1: Our output value is 25.

Step 2: We represent the unknown value with x.

Step 3: From step 1 above, 25=100%.

Step 4: Similarly, x=6.25%.

Step 5: This results in a pair of simple equations:

25=100%(1)

x=6.25%(2)

Step 6: By dividing equation 1 by equation 2 and noting that both the RHS (right hand side) of both

equations have the same unit (%); we have

<u>25 </u> =   <u>100</u>

 x       6.25

Step 7: Again, the reciprocal of both sides gives

<u> x </u> =  <u>6.25</u>

25     100

x= 1.5625

x≈ 1.56

Once you've known what 25% is, you add it to 6.25.

1.56+6.25= 7.81

7 0
4 years ago
If odd natural numbers are less than 7, then they are prime numbers.
guajiro [1.7K]
I think true?? i think! im really not sure but yea
5 0
2 years ago
(2x+5) = (3x-33)
aleksandr82 [10.1K]

Answer:

x=38

Step-by-step explanation:

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x=38

3 0
3 years ago
Read 2 more answers
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