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Ad libitum [116K]
3 years ago
9

Simplify the following polynomial expression. (5x-7)(9x^​2-4x-8)

Mathematics
1 answer:
mihalych1998 [28]3 years ago
3 0

Your answer will be 70x^2 -138x+56

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Absolute value of 35+|-35|=​
Effectus [21]
Answer is 70

Absolute value is just the positive value so 35+35 = 70
3 0
3 years ago
Read 2 more answers
Please help. I don't know where to start on the question.​
jeyben [28]

Answer:

multiply the numbers next to the variables by the given subtitution for the variable so 5 times 14 plus 36 and 6 times 12.5 minus 1 and 4 times 14 plus 50

Step-by-step explanation:

4 0
3 years ago
A cyclist cycles a distance of 40 miles in a time of 2 hours. what is her average speed?
snow_lady [41]

Answer:

see this and it by your own

Step-by-step explanation:

How do you find average speed with distance and time?

Divide the distance by the time.

This will give you the average speed per unit of time, usually hour. So, if Ben traveled 150 miles in 3 hours, his average speed is 50 miles per hour

How do you find average speed with hours and minutes?

How to calculate average speed. Speed is distance divided by time. Simply put, if you drove 60 kilometer's for one hour, it would look like this: Speed = distance (60 km) / time (1 hour) = 60km/h.

6 0
3 years ago
Can somebody help me please.
Fiesta28 [93]
I’m pretty sure it is 57?
7 0
3 years ago
What type of conic section is given by the equation 4x^2+9y^2=36? What are its domain and range?
Damm [24]
4x^2+9y^2=36\\
\\
\frac{4x^2}{36}+\frac{9y^2}{36}=\frac{36}{36}\\
\\
\boxed{\frac{x^2}{9}+\frac{y^2}{4}=1}

This is a equation of a ellipse (0,0) centered

Domais: {x∈R/-3≤x≤3}
Range:{y∈R/-2≤y≤2}
4 0
3 years ago
Read 2 more answers
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