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denis23 [38]
2 years ago
13

F(x)=x^2+11x+20, find x when f(x)=−8

Mathematics
2 answers:
vesna_86 [32]2 years ago
4 0

Answer:

i need help 2

Step-by-step explanation:

kodGreya [7K]2 years ago
4 0

Answer:

172

2162203625

12345

jóín gírls

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WOULD YOU RATHER...
8090 [49]

Answer:

0.015 km/s

Step-by-step explanation:

40 km/hr

0.015 km/s

0.015 ÷ (1/3600)

0.015 × 3600

= 54 km/hr

7 0
2 years ago
Read 2 more answers
What is the function graphed below?<br> O y= x + 0.5<br> O y= 2 x + 0.5<br> O y=x<br> O y=(0.5)
olga2289 [7]

Answer:

  • A.  y= x + 0.5

Step-by-step explanation:

<u>We see that:</u>

  • y- intercept is b = 0.5, point (0, 0.5)
  • Rate of change is m = 1 as each next value of y is greater by 1.

<u>The function is:</u>

  • y = mx + b
  • y = x + 0.5

Correct choice is A

5 0
2 years ago
Let fat be the explanatory variable and calories be the response variable; which scenario best describes ŷ = 121 + 1.42x?
emmasim [6.3K]

Using <u>linear function concepts</u>, it is found that the correct option is:

The amount of calories in a cheeseburger increases by 1.42 for every one gram of fat. The calorie amount estimated by this model is 121 if there are zero grams of fat.

A linear function is modeled by:

y = mx + b

In which:

  • m is the slope, which represents by how much y changes when x changes by 1.
  • b is the y-intercept, which is the value of y when x = 0.

In this problem:

  • The explanatory variable fat is the input.
  • The response variable calories is the output.

The equation is:

y = 121 + 1.42x

  • The slope is of 1.42, which means that the amount of calories increases by 1.42 when the amount of fat increases by 1 gram.
  • The y-intercept is of 121, which means that if there are 0 grams of fat, there will be 121 calories.

Thus, the correct option is:

The amount of calories in a cheeseburger increases by 1.42 for every one gram of fat. The calorie amount estimated by this model is 121 if there are zero grams of fat.

A similar problem is given at brainly.com/question/16302622

8 0
2 years ago
IS the decimal number 5.078, the digit in the hundredths place is a 7.<br>TRUE OR FALSE?????
Ksju [112]

Answer:

TRUE

The 7 is in the hundredths place

The 0 is in the tenths place

The 8 is in the thousandths place

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
The area of a rectangular parking lot is 7081 m²
Lubov Fominskaja [6]

Step-by-step explanation:

So the question is easy ....The thing that you need to do here is ...You should divide area by length....and you will get your answer....

  • Area of square = l²
  • Area of rectangle = l × b

Area of rectangular parking lot = 7081 m²

length of parking lot = 97 m

Width = ?

Now,

Area = l × b

7081 = 97 × b

7081 / 97 = b

b = 73 m

Hence the width is 73 m....

4 0
2 years ago
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