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Dennis_Churaev [7]
3 years ago
8

Car A travels 170 miles in 4 hours. Car B travels 306 miles in 4 hours. Car B travels 306 miles in 4 hours. Which car has the fa

stest average speed?​
Mathematics
1 answer:
sukhopar [10]3 years ago
7 0

Answer:

car b

Step-by-step explanation:

car a = 170/4=42.5 mph

car b = 306/4=76.5 mph

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Rewrite in mathematical language. Every negative integer J is less than or equal to its inverse.
Luda [366]

Answer:

-J \leq J

Step-by-step explanation:

Given

Negative integer J

Required

Represent as an inequality of its inverse

The question didn't state if it's additive inverse or multiplicative inverse;

<em>Since the question has to do with negation, I'll assume it's an additive inverse</em>

<em></em>

The inverse of -J is +J

To represent as an inequality (less than or equal), we have:

-J \leq +J

Solving further, it gives

-J \leq J

3 0
3 years ago
a jet climbs at a steady rate at an angle of inclination of 0.5 degrees during takeoff. What will its height be after a 2.2km in
Reil [10]
19.2m is the answer.
6 0
3 years ago
If sec(theta) =25/24, find cot(theta) (Picture provided)
larisa [96]

Answer:

B

Step-by-step explanation:

By the definition,

\sec \theta=\dfrac{\text{hypotenuse}}{\text{adjacent leg}}.

If \sec \theta=\dfrac{25}{24}, we can consider right triangle with hypotenuse 25 un. and adjacent leg 24 un. By the Pythagorean theorem,

\text{hypotenuse}^2=\text{adjacent leg}^2+\text{opposite leg}^2,\\ \\\text{opposite leg}^2=25^2-24^2,\\ \\\text{opposite leg}^2=625-576,\\ \\\text{opposite leg}^2=49,\\ \\\text{opposite leg}=7\ un.

So,

\cot \theta=\dfrac{\text{adjacent leg}}{\text{opposite leg}}=\dfrac{24}{7}.

8 0
3 years ago
Read 2 more answers
What's the smallest possible perimeter of a rectangle with an area of 35 cm? (36 small squares 1 cm by 1 cm)
vfiekz [6]

Answer:

12 miles per hour...........

6 0
2 years ago
Which equation could be used to solve the following system?
nikdorinn [45]

we have

x+y=11

x=11-y --------> equation A

4x^{2} -3y^{2}=8 ----> equation B

Substitute equation A in equation B

4(11-y)^{2} -3y^{2}=8

therefore

<u>the answer is the option B</u>

4(11-y)^{2} -3y^{2}=8

8 0
3 years ago
Read 2 more answers
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