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Ksenya-84 [330]
4 years ago
12

Which expression is equivalent to 4/9 x 7?

Mathematics
1 answer:
qaws [65]4 years ago
7 0

Answer:

Step-by-step explanation:

3.1111 + 0

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at the beginning of grade 6 the number of advanced math to the number of regluar math students was 3:8 however after taking plac
Brut [27]
The number of students would not change between before the test and after the test. 3+8 and 4+7 both = 11 so finding out how many students would equal one ratio can then be used to find how many equal 3 and 8. 

If 92 students are equal to 4 in the ratio, then 1 in the ratio is worth 23 students. This is important as then when you times 23 by 7 you find out how many students there are in the regular maths class, 161 students. Plussing these two together gives you a total of 253 students.

Using this 253 you can divide it by 11 to find out how much 1 number would be in the ratio, it equals 23. Using this you can then times 23 by both 3 and 8 to find the original class sizes, 3x23 = 69, and 23x8 = 184.

Making the origional class size of the advaced class 69 studnets, and the regular maths class size 184.
4 0
4 years ago
Read 2 more answers
Which equation represents the quadratic parent function shifted to the left two units?
Julli [10]
The answer is B.
An (x + 2) moves the function to the left
6 0
3 years ago
The opposite angles of a parallelogram have measures of (3x-20) and (x+15). Find x
KiRa [710]
ANSWER

The value of x is,

17.5

EXPLANATION

We were given that the opposite angles of a parallelogram are

3x - 20 and x + 15.

The opposite angles of a parallelogram are equal.

We can write the equation below in x and use to find the value of x.

3x - 20 = x + 15

We group like terms to obtain,

3x - x = 15 + 20

This implies that,

2x = 35

We divide both sides of the equation by 2 to obtain,

x = 17.5
4 0
3 years ago
What is the solution to the equation 13 3/4 + x equals 7 1 / 4​
Olegator [25]

Answer:

x=-6.5

Step-by-step explanation:

7\frac{1}{4} - 13\frac{3}{4}=-6\frac{1}{2}=-6.5

5 0
4 years ago
Question is attached please help!!!
mart [117]
The answer is (1,4) plug it in to check if you want
7 0
3 years ago
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