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3 years ago

Mario ran 24 miles in 3 hours. what was his average speed in miles per hour

Mathematics

2 answers:

kumpel [21]3 years ago

8 0

Answer:

8 miles per hour (mph)

Step-by-step explanation:

24/3 = 8

Check:

8mph x 3 hours = 24 miles

stira [4]3 years ago

4 0

Answer:

Mario’s average speed is 8 miles per hour.

Solution:

It is given that Mario runs 24 miles in 3 hours. We have to find what is Mario’s average speed in miles per hour.

In other words we have to find how much mile did Mario run in 1 hour. To find his average speed in miles will use the unitary method.

Using Unitary method,

In 3 hours Mario can run 24 miles.

In 1 hour Mario can run $\frac{24}{3}$ miles.

On dividing we get,

Thus, in 1 hour Mario runs 8 miles.

This means Mario’s average speed is 8 miles per hour.

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What is 82.3 in expanded form

Irina18 [472]

Answer:

Standard Form:

82.3

Expanded forms can be written like a sentence or stacked for readability as they are here.

Expanded Notation Form:

82.3 =

+ 2

+ 0.3

Expanded Factors Form:

82.3 =

8 × 10

+ 2 × 1

+ 3 × 0.1

Expanded Exponential Form:

82.3 =

8 × 101

+ 2 × 100

+ 3 × 10-1

Word Form:

82.3 =

eighty-two and three tenths

Step-by-step explanation:

I did all the work

4 0

3 years ago

What's 2 to the negative 6 power times 2 to the negative 10th power

mafiozo [28]

When multiplying numbers with exponents, add the exponents.

So the answer is 2^-16

7 0

3 years ago

Read 2 more answers

Which parent functions have an intercept at (0,0)Choose all that are correct.

inessss [21]

Answer:

Linear, Quadratic, Radical, Absolute Value, Cubic, Cube Root

Step-by-step explanation:

To find:

Which functions have an intercept at (0, 0).

That means, when we put a value $x=0$ in the $y =f(x)$ , value of $y=0$ .

Let us discuss each parent function one by one:

1. Linear:

$y = x$

When we put x = 0, y = 0

Therefore, it has intercept at (0, 0).

2. Quadratic:

$y = x^2$

When we put x = 0, y = 0

Therefore, it has intercept at (0, 0).

3. Radical:

$y = \sqrt x$

When we put x = 0, y = 0

Therefore, it has intercept at (0, 0).

4. Absolute Value:

$y = |x|$

When we put x = 0, y = 0

Therefore, it has intercept at (0, 0).

5. Rational:

$y = \dfrac{1}{x}$

When we put $x = 0\Rightarrow y \rightarrow \infty$

Therefore, it does not have intercept at (0, 0).

6. Exponential:

$y = b^x$

b is any base

When we put $x = 0\Rightarrow y =1$

Therefore, it does not have intercept at (0, 0).

7. Logarithmic:

$y = logx$

When we put $x = 0 \Rightarrow y\rightarrow$ Not defined

Therefore, it does not have intercept at (0, 0).

8. Cubic:

$y = x^3$

When we put $x = 0\Rightarrow y =0$

Therefore, it has intercept at (0, 0).

9. Cube Root:

$y = \sqrt[3]x$

When we put $x = 0\Rightarrow y =0$

Therefore, it has intercept at (0, 0).

3 0

3 years ago

Given: △ABC, m∠C=90° m∠ABC=30°, AL ∠ bisector CL=6 ft. Find: LB

vlada-n [284]

For a better understanding of the solution given here please go through the diagram in the file attached.

To solve this question we will make use of the "Triangle Angle Bisector Theorem", which states that, "An angle bisector of an angle of a triangle divides the opposite side in two segments that are proportional to the other two sides of the triangle."

Thus, in our question, we will have:

$\frac{LB}{CL}= \frac{AB}{AC}$