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padilas [110]
3 years ago
11

A group of parents is planning an end-of-year party for the eighth grade class at Ridgeway

Mathematics
1 answer:
Advocard [28]3 years ago
3 0

Answer:

a

Step-by-step explanation:

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Please help
EleoNora [17]

Answer:

Step-by-step explanation:

(5⅔)/4 = (17/3)/4 = 17/12

7 0
3 years ago
in a school gym, the ratio of the number of boys to the number of girls was 4:3 . after 160 boys left the gym, the ratio became
Annette [7]

Answer:

300 girls were there in the gym.

Step-by-step explanation:

Given:

The ratio of the number of boys to the number of girls was 4:3, after 160 boys left the gym, the ratio became 4:5.

Now, to find the number of girls in the gym.

The girls in the gym does not left, their quantity is same before and after.

So, we multiply the both ratios to make the girls ratio same:

4:3 × 5 = 20:15

4:5 × 3 = 12:15

Now, <em>we find the units of the ratio</em>.

<em>The ratio of boys dropped down by 160</em>:

20 - 12 = 8 units.

160 = 8 units

Now, dividing both sides by 8 we get:

20 = 1 unit

So, 1 unit = 20.

Now, girls = 15 units

So, 15 × 20 = 300.

Therefore, 300 girls were there in the gym.

3 0
4 years ago
Let U=5i-9j and V=-8i+8j. find U-V
liraira [26]
U-V\\&#10;5i-9j-(-8i+8j)=0&#10;\\5i-9j+8i-8j=0&#10;\\13i-17j=0 
is your final answer.
5 0
4 years ago
Simplify 2(5x – 4) + 3x
guapka [62]
To simplify, you must distribute the 2 into the 5x and -4 by multiplying 2 with 5x and 2 with -4.

<span>2(5x – 4) + 3x

2 x 5x = 10x

2 x -4 = -8

 You will get 10x - 8 + 3x

Now you must combine like terms or add like terms. In this case we must add 10x and 3x

10x + 3x = 13x

Finally the answer would be 13x - 8</span>
6 0
3 years ago
Read 2 more answers
Which point does the graph of the parent function Y=tan(x) pass through?
zvonat [6]

Answer:

(0, 0)

Step-by-step explanation:

The graph of y = tan x passes through the origin, (0, 0).

7 0
3 years ago
Read 2 more answers
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