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3 years ago

Y = -x + 2 find the slope of the linear function

Mathematics

2 answers:

Arte-miy333 [17]3 years ago

7 0

Answer:

-1

Step-by-step explanation:

y=mx+b

m=slope

-1x meaning that -1 is your slope

Flauer [41]3 years ago

3 0

Answer:-1

Step-by-step explanation:

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On a math test, 30 students earned a B. This number is exactly 40% of the total number of students in the class. How many studen

Tju [1.3M]

There are 75 students in the class. 30*100/40=75

4 0

3 years ago

At Riptide Roller Coaster Park, 55% of those surveyed named the Super Loop as their favorite ride. If 1,100 people chose the Sup

blagie [28]

Answer: 2000

Step-by-step explanation:

55 multiplied by 20

is equal to 1,100

100 multiplied by 20

is equal to 2000

2000 ppl were surveyed

3 0

3 years ago

Read 2 more answers

Find f. (Use C for the constant of the first antiderivative and D for the constant of the second antiderivative. f"(x) = 2x + 9e

ad-work [718]

Answer:

$f(x)=\frac{x^3}{3}+9e^x+Cx+D$

Step-by-step explanation:

The function F(x) is an antiderivative of the function f(x) on an interval I if

F′(x) = f(x) for all x in I.

The function F(x) + C is the General Antiderivative of the function f(x) on an interval I if F′(x) = f(x) for all x in I and C is an arbitrary constant.

The Indefinite Integral of f(x) is the General Antiderivative of f(x).

$\int {f(x)} \, dx =F(x)+C$

To find the first antiderivative you must integrate the function $f''(x) = 2x + 9e^x$

$f'(x)=\int { 2x + 9e^x} \, dx \\\\\mathrm{Apply\:the\:Sum\:Rule}:\quad \int f\left(x\right)\pm g\left(x\right)dx=\int f\left(x\right)dx\pm \int g\left(x\right)dx\\\\\int \:2xdx+\int \:9e^xdx = x^2+9e^x\\\\\mathrm{Add\:a\:constant\:to\:the\:solution}\\\\x^2+9e^x+C$

To find the second antiderivative you must integrate the function $f'(x) =x^2+9e^x+C$

$f(x)=\int {x^2+9e^x+C} \, dx\\\\\mathrm{Apply\:the\:Sum\:Rule}:\quad \int f\left(x\right)\pm g\left(x\right)dx=\int f\left(x\right)dx\pm \int g\left(x\right)dx\\\\\int \:x^2dx+\int \:9e^xdx+\int \:Cdx= \frac{x^3}{3}+9e^x+Cx\\\\\mathrm{Add\:a\:constant\:to\:the\:solution}\\\\\frac{x^3}{3}+9e^x+Cx+D$

Therefore,

$f(x)=\frac{x^3}{3}+9e^x+Cx+D$

8 0

3 years ago

16. The value of sin² 5° + sin² 10° + sin² 15° + … + sin² 90° is equal to

Yuri [45]

Answer:

11.5

Step-by-step explanation:

Let think mathematically. We have a finite series.

sin² 5° + sin² 10° + sin² 15° + … + sin² 90° . Remeber that sin is a periodic function, and we also know that

$\sin {}^{2} (45 + 45) = 1$

and

$\sin {}^{2} (30 + 60) = 1$

also that

$\sin {}^{2} (0 + 90) = 1$

I'm imying that two angles that add up to 90 will make cancel out to 1.

Our full series will be

Angle measures increasing by 5 so

85+5=1

80+10=1

75+15=1

70+20=1

65+25=1

60+30=1

55+25=1

50+30=1

sin^2(45) is the same as sin(45)sin(45)=1/2.

And sin^2(90)=1 So our value is 9.5

4 0

3 years ago

Helppppppppp mathhhhhhh

Blizzard [7]

Tan(E) = 6/8 =3/4

tan(E) (opposite side)/(adjacent side)

3 0

4 years ago