2 years ago

Sara is driving home from college for the weekend. The average speed of her car for the trip is 45 miles per hour. Write a verba

l model and algebraic expression to represent the distance Sara's car travels in h hours. Identify the units for the expression

Mathematics

1 answer:

Ugo [173]2 years ago

6 0

$General\ formula\ for\ speed:\\V=\frac{s}{h},\ where\ V-speed,\ s-distence\ ,h-time\\\\s=Vh\\\\When\ speed\ is\ in\ mph,\ then\ distance\ have\ to\ be\ in\ miles\ and\ time\\in\ hours.$

You might be interested in

20 grams of KCl to moles of

Irina-Kira [14]

0.013413582325191 got it from google

4 0

3 years ago

State the necessary value of nn that will make each statement true.<br> 0.0004 × 0.002 = 8 × 10^n

vodka [1.7K]

Answer:

$-7 = n$

Step-by-step explanation:

$0,002 \times 0,0004 = 0,0000008$

$0,0000008 = 8 \times {10}^{-7}$

* You must make sure that you have seven zeros in your decimal.

I am joyous to assist you anytime.

6 0

2 years ago

Write the quadratic equation in standard form: 2x^2+3x+7=x

Luden [163]

2x²+3x+7=x

2x²+3x-x+7=0

2x²+2x+7=0

5 0

2 years ago

If f^-1(x) is the inverse of f(x), which statement must be true?

k0ka [10]

F(f-1x) will be equal to x

take a simple example

f(x) = 2x

so x = f(x) / 2

f-1(x) = x/2

f(f-1x) = 2 ( x/2) = 2 * x/2 = x

5 0

2 years ago

Read 2 more answers

Keisha has a straightedge and a compass, but no protactor. what kind of angle can Keisha drag exactly with only these two tools?

nekit [7.7K]

A 90˚ angle
a 180 angle

6 0

3 years ago