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Jlenok [28]
3 years ago
13

A student evaluated -4 + x for x = 9 1/2 and got an answer of 5 1/2. What might the student have done wrong?

Mathematics
2 answers:
larisa86 [58]3 years ago
8 0
The student did not complete the BEDMAS formula properly
Vikki [24]3 years ago
3 0
-4+x=9.5
x=13.5

The student might have subtracted 9.5-4, which results in the answer 5.5. The correct answer is 13.5.
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Determine whether y varies directly with x. If​ so, find the constant of variation. y−12x=0 Does y vary directly with​ x?
Alona [7]
Y - 12x = 0
y = 12x

Comparing it with the formular for direct variation y = kx => k = 12

y varies directly with x and the constant of variation is 12.
8 0
3 years ago
Is 2:4 and 42:84 equivalent?
bezimeni [28]

Answer:

Yes.

Step-by-step explanation:

They are both divisible by 21.

6 0
3 years ago
Read 2 more answers
What is the ratio for consonants to vowels,Vowels to total letters,and all letters to consonants
Studentka2010 [4]

Answers:

  • Ratio of consonants to vowels = 21:5
  • Ratio of vowels to total letters = 5:26
  • Ratio of all letters to consonants = 26:21

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

Explanation:

vowels = {a, e, i, o, u}

consonants = anything but a vowel (eg: the letter R)

There are 26 letters in the English alphabet. Five of which are vowels, so there are 26-5 = 21 consonants.

The ratio of consonants to vowels is 21:5

The <u>order is important</u> because the number of consonants must be listed first, simply because "consonants" is mentioned first in the phrasing "ratio of consonants to vowels". In other words, writing 5:21 would mean the ratio of vowels to consonants.

The ratio 21:5 cannot be reduced further since 21 and 5 have no factors in common (other than 1).

------------------------------

The other ratios will follow a similar idea as mentioned in the previous section.

To get the ratio of vowels to total letters, we list the number of vowels first (5) follow by the number of letters (26). A colon separates the two numbers to form the ratio 5:26

This ratio cannot be reduced further.

-------------------------------

Like in the previous sections, we'll glue together two numbers to form a ratio. In this case, we have 26 letters glued with 21 consonants to form the ratio 26:21 and this represents the ratio of total letters to consonants.

This ratio cannot be reduced further.

5 0
2 years ago
Read 2 more answers
Why is (0,1) y-intercept of the form below?
morpeh [17]
It isn’t because when there is no addition in the equation the y intercept is 0
4 0
3 years ago
How do i do #3? I dont know how to do the whole problem.
lisov135 [29]
You have to put the problem down we cant help you if its not there
sorry but please put equation in or problem
3 0
3 years ago
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