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ikadub [295]
3 years ago
10

Evaluate - 2x - 6y when x = 5, y=-3

Mathematics
1 answer:
Vitek1552 [10]3 years ago
5 0

Answer:

-28 i think

extra words so i can submit

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The value of y varies directly with x. When y = 75, x = ½ . What is the value of y when x is 2 ¼ ? A. 168.75 C. 66.67 B. 16.67 D
lora16 [44]

Answer:

Step-by-step explanation:

The value of y varies directly with x. When y = 75, x = ½ . What is the value of y when x is 2 ¼ ? A. 168.75 C. 66.67 B. 16.67 D. 337.5

y ∝x

y = kx

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2 years ago
A boy spends 1/4 of his money on sweets and 1/3 on computer games, What fraction of his money does he not spend
r-ruslan [8.4K]

Answer:

5/12

Step-by-step explanation:

1-1/4-1/3=5/12

3 0
2 years ago
Anyone know how to do these?
Allushta [10]

Answer:

1.4x10^-7

Step-by-step explanation:

For Problem 6

First we would divide the first numbers together so 7.84 / 5.6 = 1.4

We then would add the exponenites together so -3+-4=-7

Leading our awnser to be 1.4x10^-7

6 0
3 years ago
Which is a better estimate for the weight of a double-decker bus
tia_tia [17]

Step-by-step explanation:

Coaches are typically sized to a height of 4.38 meters, whereas 'high-bridge' vehicles are usually around 20 centimeters higher. At an average height of 18.65 metres, integrated double-deckers are often permitted .

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2 years ago
Select the scenario that correctly represents the given graph.
Mashcka [7]

Answer:

C. The vertical distance of a roller coaster from the ground changes with respect to its horizontal distance from the beginning of the ride.

Step-by-step explanation:

See how the graph is in a "U" shape? That tells us that it first decreases and then goes back up at some point.

The way you would find this answer is to go through each scenario (A, B, C, and D) and think about which thing would make sense to go down and then up.

5 0
3 years ago
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