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3 years ago

A high speed train can travel 750 miles in 5 hours. Find the unit rate in miles per hour.

Mathematics

1 answer:

algol133 years ago

8 0

Answer:

150 miles per hour

Step-by-step explanation:

750 divided by 5 is 150

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Please please explain how to do this I cant and its not good<br><br>-x^2+4=10

Marta_Voda [28]

So you follow PEMDAS

So we start with the exponent which is -X^2 so it would turn into X

Now we have X+4=10

We bring the four over and we get X=6

Hope this was helpful and ask questions if you still need help:)

4 0

3 years ago

What is the lateral surface area of a cone with radius 19 cm and slant height 11 cm

photoshop1234 [79]

Here radius = 19 cm

Slant height =11 cm

The condition for radius and slant height as r<l.

Lateral Surface Area = $\pi rl$

= $\pi *19*11$

= 656.59 square cm.

3 0

3 years ago

Karen reads 20 pages of her book in half hour. If she reads for 3 hours at that same rate, about how many pages of her book can

julsineya [31]

Answer:

She can read 120 pages

Step-by-step explanation:

We can use ratios to solve

20 pages x pages

--------------- = -----------

1/2 hour 3 hours

Using cross products

20 *3 = 1/2 x

Multiply by 2

20*3*2 = 1/2 *2 *x

120 = x

She can read 120 pages

4 0

3 years ago

Read 2 more answers

Please help

IceJOKER [234]

(86 + 70 + 79 + 90 + 85 + x)/6 = 84
Multiply 6 to both sides and then add everything together and then subtract i from the multiplied 86 which will get you 94.
Answer: 94

5 0

3 years ago

Because of the commutative property of multiplication 3/4X4=4X3/4 However these expressions can be calculated in different ways

elena55 [62]

Answer:

We obtain same product by both the methods.

Step-by-step explanation:

We are given the following in the question:

Commutative property of multiplication:

$\dfrac{3}{4}\times 4 =4\times \dfrac{3}{4}$

Different ways to find the product:

1. First way

$\dfrac{3}{4}\times 4\\\\=3\times \dfrac{4}{4}\\\\=3$

2. Second way

$\dfrac{3}{4}\times 4\\\\=\dfrac{12}{4}\\\\=3$

We get the same product for both the calculations.

5 0

3 years ago