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Lemur [1.5K]
2 years ago
7

Find the equation of the line. Use exact numbers. y =_x+7

Mathematics
1 answer:
Firlakuza [10]2 years ago
4 0

Answer:

gradient= -3

Step-by-step explanation:

Whenever you're calculating a gradient, you use the formula Δy÷Δx so in this case, the change in x will be 1 and the change in y will be -3 as it goes down to meet the line and not up so -3÷1= -3

∴ the gradient(m) = -3

Hope this helps.

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A right rectangular prism's edge lengths are 10.5 inches, 5 inches, and 2 inches. How many unit cubes with edge lengths of .5 in
Ede4ka [16]

Answer:

840 cubes

Step-by-step explanation:

First we need to find the volume of each one:

Rectangular prism: Volume = 10.5 * 5 * 2 = 105 in3

Cube: Volume = 0.5 * 0.5 * 0.5 = 0.125 in3

Now, to find how many cubes can fit inside the prism, we just need to divide the volume of the prism by the volume of the cube:

Number of cubes = 105 / 0.125 = 840 cubes

6 0
3 years ago
Suppose the circumference of a circle is 3 pi. What is the diameter?
Charra [1.4K]
This was asked already
c=pid or
c=2pir

use first one
c=3pi
3pi=c=pid
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divide by pi
3=d
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7 0
3 years ago
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eimsori [14]

Answer:

If it took the motorcycle 2 hours to cover 20km, then the average speed is 10km per hour.

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3 years ago
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vodomira [7]

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A train leaves at 14:56 and arrives at 16:43. It travelled at an average speed of 135 km/h. How far did it travel? Give your ans
Firlakuza [10]

Answer:

240.8

Step-by-step explanation:

→ Calculate time taken

16:43 - 14:56 = 1 hour and 47 minutes

→ Write the speed formula and make distance the subject

Speed = Distance ÷ Time ⇔ Distance = Speed × Time

→ Convert 1 hour and 47 minutes into decimal format

1.78333333 or  1\frac{47}{60}

→ Substitute values into formula

135 ×  1\frac{47}{60}  = 240.75

8 0
3 years ago
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