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Nitella [24]
3 years ago
13

Hjhbihvyrdetsygvihgiutfyuctfcg

Mathematics
1 answer:
77julia77 [94]3 years ago
7 0
Amazing good job you did great
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Brenna owns 9 T-shirts, 3 of which are red.
Ulleksa [173]

Answer:

1/3

Step-by-step explanation:

9 Shirts, 3 are Red

Probability: 3/9

Simplify: 1/3

5 0
3 years ago
the variables x and y vary inversely with a constant variation of 7. Use the variation formula, k=xy, to find why when x=9
dolphi86 [110]

1.Make y the subject

k = xy

k/x = xy/x

y = k/x

2.Substitute

y = k/x

y = 7/9

y = 0.777......

y = 0.8 (Answer)

To confirm

k = xy

k = 9 × 0.8

k = 7.2

k = 7 (constant)

Hope it helps☺

7 0
2 years ago
A map uses a scale of 0.5 cm = 75 km<br> 50 km=__cm<br> 280 km =__cm<br> 142.5 km=__cm
SpyIntel [72]

Answer:

50km = 0.33cm

280km = 1.87cm

142.5km = 0.95cm

Step-by-step explanation:

Ratio is 0.5/75 = 1/150 cm per km

5 0
3 years ago
Televisions and computer screens are usually advertised based on the length of their diagonals. If the height of a computer scre
iren2701 [21]
Would it not be 63 square inches?
7 0
3 years ago
Explain why the graph below does not represent a direct variation
Nitella [24]

Answer:

C. The line does not go through the origin.

Step-by-step explanation:

We have been given a straight line graph that doesn't pass through origin (0,0) and has y-intercept at (0,3).

Now we need to decide why that graph doesn't represent a direct variation.

We know that graph represents variation when it passes through origin. But since given graph doesn't passes through origin so it doesn't represent the direct variation.

Correct choice is :

<u>C. The line does not go through the origin.</u>

4 0
3 years ago
Read 2 more answers
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