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kykrilka [37]
3 years ago
8

of the students in Ms. Danver's class, 6 walk to school. This represents 30% of her students.How many students are in Ms. Danver

's class?
Mathematics
2 answers:
Andrews [41]3 years ago
8 0
21 students because if 6 represents 30% u add 6 two more time which equals 18 and 90% then u add 3 more because it is half of 6. when u add 3 more u will get 21 and 100%
zvonat [6]3 years ago
8 0

Answer:21 students.i hope it helped

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X/2 = 4/16<br><br> solve for x<br><br>Also: if possible/ any please show work!
lana66690 [7]
<span>X/2 = 4/16

This is where you would use cross-multiplication.
Multiply the x with 16 and the 2 with 4.

16x = 8

Now divide everything by 16.
x = 0.5</span>
6 0
3 years ago
What is w in w(w-6)=0?
Romashka-Z-Leto [24]
The answer for your question is 6
5 0
3 years ago
HELP ASAP !!!!
Oksana_A [137]

Step-by-step explanation:

I don't know please mark as brilliant please

8 0
3 years ago
Two mechanics worked on a car. The first mechanic worked for 20 hours, and the second mechanic worked for 15 hours. Together the
klasskru [66]

The rate charged per hour by each mechanic was:  x = 75 $ / hr and y = 115 $ / hr.

<h3>What is a system of equations?</h3>

A system of equations is two or more equations that can be solved to get a unique solution. the power of the equation must be in one degree.

Given;

The first mechanic worked for 20 hours, and the second mechanic worked for 15 hours.

Together they charged a total of $3225.

For this case we have the following variables:

x be the amount of $ / hr that the mechanic obtains 1.

y be the amount of $ / hr obtained by mechanic 2.

An equation to express this would be:

x + y = 190

20x + 15y = 3225

Solving the system of equations we have:

20x + 15(190 -x) = 3225

20x + 2850 - 15x = 3225

5x = 375

x = 75

simililary

y = 190 - x

y = 115

Hence, the rate charged per hour by each mechanic was:

x = 75 $ / hr

y = 115 $ / hr

Learn more about equations here;

brainly.com/question/10413253

#SPJ1

6 0
2 years ago
Liam says - (5/12) is equivalent to 5/-12. Explain if Liam is correct by completing the statements below.
makkiz [27]

A positive number divided by a positive number results in a negative quotient, and it's opposite is always positive. The fraction 5/-12 can be described as a positive number divided by a negative number, which always results in a negative quotient. The fractions have different value, so Liam is not correct.

6 0
3 years ago
Read 2 more answers
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