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3 years ago

Please give the answer in minutes.

Mathematics

1 answer:

Anon25 [30]3 years ago

5 0

Answer:

2 r 8

Step-by-step explanation:

the answer is 48 there for 20 goes into 40 2 time with a remainder of 8 happy to help!

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PLEASE HELP! I'm struggling on questions like this one. If you can please help on other questions but that's up to you! I will g

Setler79 [48]

Answer:

y=3/2x+3

Step-by-step explanation:

the line hits the y-axis at 3 so b=3 and the change in y is up 3 and the change in x is to the right 2 so the change in y over the change in x is 3/2

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3 years ago

Perform the indicated operation and write in standard form 5i+(-9-i)

antoniya [11.8K]

Since the sign before the parentheses is a + , we can just remove the parentheses.

5i + (-9 - i) = 5i - 9 - i = -9 + 4i

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3 years ago

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(3, 4) was dilated to become point X' (12, 16). What was the scale factor?

tensa zangetsu [6.8K]

Step one: correspond x values and y values together

it would be: 3, 12 and 4, 16

Step two: divide

12/3 = 4 and 16/4 = 4

both numbers = 4

scale factor is 4

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2 years ago

Solve the equation 4y-1.9=6.3

Liono4ka [1.6K]

I’ve attached my work...
Hope this helps!

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3 years ago

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A robot moving forward at a constant speed takes 2.5 hours to travel 1 kilometer. Moving forward at this same constant speed, it

makvit [3.9K]

Answer:

The length of the hallway is 10 m.

Step-by-step explanation:

Given:

Time taken to cover 1 km = 2.5 hours

Distance covered in 2.5 hours = 1 km

Therefore, speed of robot = $\frac{\textrm{Distance}}{\textrm{TIme}}=\frac{1}{2.5}=0.4\ km/h$

Now, speed is constant.

Now, time taken to cover the length of hallway = 90 s

Speed of the robot = 0.4 km/h

Converting 0.4 km/h to m/s, we multiply by the factor $\frac{5}{18}$ . This gives,

$0.4\times \frac{5}{18}=\frac{1}{9}\ m/s$

Now, distance of the hallway is equal to the product of speed and time. So,

Distance of hallway = Speed $\times$ Time

Distance of hallway = $\frac{1}{9}\times 90=\frac{90}{9}=10\ m$

Therefore, the length of the hallway is 10 m.

5 0

3 years ago