If f(x) = x^2 + 3x – 2. find f(-2) .
f(-2) = -4
f(-2) = 4
f(-2) = -2
f(-2) = 2​

Answer:

Use the fact that sin(x) = opp/hyp and tan(x) = opp/adj

where opp=opposite, hyp=hypotenuse, adj=adjacent and recall sin(30)=1/2 and tan(30) = 1/sqrt(3)

sin(30) = 1/2 = 17/y

y = 17(2) = 34

tan(30) = 1/sqrt(3) = 17/x  

x = 17sqrt(3)

So the answer is (d)

Note that you could have also use the Pythagorean theorem to find x instead of using tan(30).

Answer:

C, [tex]10[/tex]

Step-by-step explanation:

[tex]7x+10=8x[/tex]

subtract [tex]7x[/tex] form both sides

[tex]10 = x[/tex]

plz mark me brainliest. ;)

Answer:

Im hella sorry i couldn't find the answer i tried my best sorry :c

Answer:

B. 10+2r

Step-by-step explanation:

make the cockroach method it distribute the numbers and letters.

Answer:

option b

Step-by-step explanation:

21/48 reduced to it's lowest term is 7/16 and solving option b... 7/12 ×3/4 3 would divide 12 to give 4 and multiply what you have left which is 7/4 ×1/4 would be equal to 7/16

Answer:

I = P/(RT)

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Equality Properties

Algebra I

Step-by-step explanation:

Step 1: Define

P = IRT

Step 2: Solve for I

Answer:

6.65 kilometers

Step-by-step explanation:

7.38-0.73=6.65

Answer:you have to find how much hrs are together the multiply by 2 and dived really i just need points

Step-by-step explanation:

-3/2

We can find slope using the equation (y2-y1)/(x2-x1). Substitute your values in for the xs and ys.

(-5 - (-2))/(-1 - (-3))

-3/2

Answer:

b

Step-by-step explanation:

6^2+8^2=10^2

Answer:

B:8

Step-by-step explanation:

Use the Pythagorean Theorem.

Answer:

Step-by-step explanation:

wheres X on the screen

Number of registrations a website received during July = 2500

Number of registrations a website received during August = 2245

Number by which the registrations decreased :

[tex] =\tt 2500 - 2245[/tex]

[tex] =\tt 255[/tex]

Thus, the registrations decreased by 255.

Let x be the perrcentage of decrease.

Which means :

[tex] =\tt 255 = \frac{x}{100} \: of \: 2500[/tex]

[tex] = \tt255 = \frac{x \times 2500}{100} [/tex]

[tex] =\tt 255 = \frac{2500x}{100} [/tex]

[tex] = \tt255 \times 100 = 2500x[/tex]

[tex] = \tt25500 = 2500x[/tex]

[tex] =\tt \frac{25000}{2500} = x[/tex]

[tex]\color{plum} =\tt \bold{10.2\%}[/tex]

▪︎Thus, the percentage of decrease in the number of registered members = 10.2%

Answer:

225 pi

Step-by-step explanation:

2pi r=30pi

pi r =15pi

pi r2=225pi

225 pi

Answer:

12.1

Step-by-step explanation:

to doublecheck times it 8 to see if you get 96.8

Answer:

Step-by-step explanation:

The required solutions of the given system of equations is x = -7 and y = -5.

Simultaneous linear equations are two- or three-variable linear equations that can be solved together to arrive at a common solution.

Here,

Given system of equation

y=x+2 - - - - -(1)

y=4x+23 - - - - (2)

From above equations,
x + 2 = 4x + 23
x = -7

Now,
y = -7 + 2
y = -5

Thus, the required solutions of the given system of equations is x = -7 and y = -5.

Learn more about simultaneous equations here:

https://brainly.com/question/16763389

#SPJ5

Ok so basically if an input (x) has more than one output (y) it is NOT a function. One output having more than one input is okay though.

So G) is a function, bc for every x there is just 1 y

H) is not a function

I) is not a function either

Then the 6 below ( i can't read their numbers so they're just gonna be 1-6, top 3 from left to right then the bottom three from left to right)

1. function

2. not a function

3. function

4. function

5. not a function

6. not a function

i might be wrong, but i hope this helps!

Answer:

G-Function, H-Not a function, I-Not a Function

Step-by-step explanation:

G is the only one that doesn't repeat its x values

Answer:

3y+9

Step-by-step explanation:

Answer:

Step-by-step explanation:

z-15 + 2z = 180

3z-15 = 180

3z = 195

z=65

130=m<C

130=m<A

50=m<D

50=m<B

Answer:

x=7

Step-by-step explanation:

mark me branlist and if anyone help me with my question from my profile would be appriciate.

3x^3-18x^2-165x=0

Since we are given the solutions, we can rewrite them.

x=-5 is (x+5)

x=11 is (x-11)

x=0 is just x

Now we can write our equation:

3x(x+5)(x-11)=0

*3 comes from the a being 3

Now we multiply, I’d recommend starting by using FOIL on the last two first and getting;

3x(x^2-6x-55)=0

Then distribute the 3x:

3x^3-18x^2-165x=0

Answer:

NM > LN

Step-by-step explanation:

Here, we want to write an inequality

we should beat it in mind that, the greater the angle that a side of a triangle faces, the greater its length will be relatively

as we can see, the side NM faces the greater angle of 83, relative to the side LN that faces the angle of 56;

So we can conclude that;

NM > LN

Answer:

NM > LN

Step-by-step explanation:

Here, we want to write an inequality

we should beat it in mind that, the greater the angle that a side of a triangle faces, the greater its length will be relatively

as we can see, the side NM faces the greater angle of 83, relative to the side LN that faces the angle of 56;

So we can conclude that;

NM > LN

Answer:

40

Step-by-step explanation:

[tex]180 - 116 = 64[/tex]

[tex]180 - 64 \times 2 = 52[/tex]

[tex]180 - 52 - 88 = 40[/tex]

Answer:

c

Step-by-step explanation:

in order for it to be a negative slope X has to be negative

Answer:

X=37

Step-by-step explanation:

Add 4x+2 and 30 it equals to 180. Then you get x.

Answer:

its 2.3

Step-by-step explanation:

Answer:

72 books will fit on the shelf

Answer:

Step-by-step explanation:

8x -28 = 4(x - 28)

12x + 15 = 3(4x + 5)