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Elanso [62]
3 years ago
5

(9-a+5a)/c (a=6,c=9)

Mathematics
1 answer:
SIZIF [17.4K]3 years ago
7 0
\frac{9-a+5a}{c} = \frac{9-(6)+5(6)}{(9)}= \frac{3+30}{9} = \frac{33}{9} = \frac{11}{3}
You might be interested in
Explain how 7/12 is greater than 1/3 but less than 2/3
Zepler [3.9K]
First we will change them on the same denominator which will be 12. If we do something to the denominator we must do the same to the numerator so :
For 1/3 we get  4/12 because (1/3)*4 = 4/12
And for 2/3 we get 8/12 because (2/3)*4 = 8/12
So 1/3 is the smaller fraction, 7/12 is in the middle and 2/3 is the bigger fraction.
6 0
3 years ago
Read 2 more answers
Jacob distributed a survey to his fellow students asking them how many hours they spent on the Internet in the past day. He also
Anna35 [415]

The linear equation B. y = -x +7.5 best describes the given model. The mood rating for a student that spent 5.5 hours online would be 2.

Step-by-step explanation:

Step 1; We plot the points that fall on the line and that lie on an exact x or y coordinate. The following 4 points are plotted (0.5, 7), (2, 5.5), (2.5, 5) and (3.5, 4). We substitute the values of x in the given equations to see which best describes the model.

Step 2; When y = x + 7.5, we get the coordinates as (0.5, 8), (2, 9.5), (2.5, 10) and (3.5, 11).

When y = -x + 7.5, the coordinates are (0.5, 7), (2, 5.5), (2.5, 5) and (3.5, 4).

When y = \frac{-1x}{2} + 7.5, the coordinates are (0.5, 7.25), (2, 6.5), (2.5, 6.25) and        (3.5, 5.75).

So equation 2 has the closest values to the actaul graph.

Step 3; By substituting x = 5.5, y = -(5.5) + 7.5 = 7.5 - 5.5 = 2.

8 0
3 years ago
Pleaseeeee help me i know y'all smart enough for this one‍♀️​
SpyIntel [72]

Answer:

x=1

Step-by-step explanation:

Step 1: Subtract 3x from both sides.

x+4−3x=3x+2−3x

−2x+4=2

Step 2: Subtract 4 from both sides.

−2x+4−4=2−4

−2x=−2

Step 3: Divide both sides by -2.

-2x/-2 = -2/-2

5 0
3 years ago
An urn contains 6 red and 7 black balls. 4 balls are randomly drawn from the urn in succession, with replacement. That is after
Nataly [62]

Answer:

0.538

Step-by-step explanation:

There are 13 balls in the urn

  • 7 are black and 6 are red

There are 7 chances out of 13 to pick a black ball

  • 7/13
  • 7 ÷ 13 = 0.53846.....

Round and get:

  • <u>0.538</u>
7 0
3 years ago
IXL please help!...........
devlian [24]

Answer:

12 cm

Step-by-step explanation:

20² = length² + 16²

length² = 400 - 256 = 144

length = 12

Check

20² - 16² = 12

Hopefully I'm right!!

7 0
3 years ago
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