3 years ago

Determine the # of X intercepts from this equation F(x)=x^2+5x+4 ?

Mathematics

1 answer:

k0ka [10]3 years ago

8 0

There are 2 x intercepts, x=-4 and x=-1

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No explanation needed, just correct answer please.

RoseWind [281]

Answer:

the red one

Step-by-step explanation:

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2 years ago

Use function notation to represent the average speed of the car on the interval from t = 2 to t = 7 .

Afina-wow [57]

Answer:

$Average\ Speed = \frac{s(7) - s(2)}{5}$

Step-by-step explanation:

Given

t = 2 to 7

Required

Find the average speed over these intervals

The function is not given; so, I'll represent the function as s(t)

When $t = 2;$

$s(t)= s(2)$

When $t = 7$

$s(t) = s(7)$

$Average\ Speed = \frac{Change\ in\ Distance}{Change\ in\ Time}$

This gives:

$Average\ Speed = \frac{s(7) - s(2)}{7 - 2}$

$Average\ Speed = \frac{s(7) - s(2)}{5}$

5 0

3 years ago

-10+5k^5 write in standard form

Yanka [14]

Answer:

Step-by-step explanation:

How to write numbers in standard form:

Write the first number 8.

Add a decimal point after it: 8.

Now count the number of digits after 8. There are 13 digits.

So, in standard form: 81 900 000 000 000 is 8.19 × 10¹³

7 0

2 years ago

Help Asap! 20 points!

VLD [36.1K]

Hello

A. will be your answer.

Hoped This Helped! :D

5 0

3 years ago

What is the value of X in the isosceles trapezoid below?

valina [46]

Solve using your rules:

180 = 9x + 4x + 37

That means 143 = 13x

Thus x = 11

8 0

3 years ago