f (x) = 2x² - 10x + 13

Find f (-4)

Answer:

The answer is -2 1/8 I used an app called Cymath to figure this out it goes down step by step.

Step-by-step explanation:

Hope I helped! :)

Answer:

[tex]y=2x-1[/tex]

Step-by-step explanation:

From the question we are told that

equation has a solution (-3,7)

Generally which means solution pass this point

Mathematically solving for slope and intercept

     [tex]y=mx +b[/tex]

     [tex]7=m(3) +b[/tex]

     [tex]b=7-3m[/tex]

Generally we assume a slope as slope intercept pair a numerous

     [tex]m=2[/tex]

Mathematically solving

     [tex]b=7-3m[/tex]

     [tex]b =7-3(2)[/tex]

     [tex]b =1[/tex]

Giving the equation to be

     [tex]y=2x-1[/tex]

Answer:

The First one

Step-by-step explanation:

Binomial is an expression with two terms.

Answer:

12p+q

Step-by-step explanation:

12p+q - binomial

13m-n+r - trinomial

15xyz - monomial

x+y-6z - trinomial

Answer:

36 marbles

Step-by-step explanation:

24/2=12

12*3=36

Answer:6%

Step-by-step explanation:

(I copied this from another answer, but hope it helps!)

Answer:

h= −5/6y (negative 5 y over 6)

Step-by-step explanation:

5y+(2)(5)h=4h

Step 1: Add -4h to both sides.

10h+5y+−4h=4h+−4h

6h+5y=0

Step 2: Add -5y to both sides.

6h+5y+−5y=0+−5y

6h=−5y

Step 3: Divide both sides by 6.

6h/6=−5y/6

h=−5/6y

Answer:

h = - 5y/ 6

Step-by-step explanation:

5y + 2 * 5h = 4h

Using BODMAS

Perform multiplication first

5y + 10h = 4h

Collect like terms

5y = 4h - 10h

5y = - 6h

Divide both sides by - 6

5y / - 6 = - 6h / - 6

h = - 5y/ 6

Answer:

Step-by-step explanation:

we need to remove the parenthesis first

x(y-w+z)=xy-xw+xz

Answer:

5600 square feets

Step-by-step explanation:

Let [tex]l, b[/tex] denote length and breadth of the rectangular shaped bedroom.

The total distance around Regina rectangular shaped bedroom is 300 feet.

[tex]2(l+b)=300\\l+b=150[/tex]

The length of the room is 80 feet.

Put [tex]l=80[/tex]

[tex]80+b=150[/tex]

[tex]b=150-80=70[/tex] feets

Area of the rectangular shaped bedroom [tex]=lb=80(70)=5600[/tex] square feets.

Answer:

Step-by-step explanation:

I don't know how to help you by the way you're really pretty

Answer:

[tex]w=6.6[/tex]

[tex]18.6:24.8::3:4[/tex]

Step-by-step explanation:

[tex]As\ we\ know\ that,\\(w+12):(3w+5)::3:4\\By\ the\ proportion\ method\ of\ multiplying\ the\ means\ and\ the\ extremes,\\we\ get,\\(w+12)*4=3*(3w+5)\\4w+48=9w+15\\48-15=9w-4w\\33=5w\\[/tex]

[tex]w=33/5\\w=6.6[/tex]

[tex]By\ substituting\ the\ value\ of\ w\ in\ the\ proportion. you\ get:\\(6.6+12)/(3*6.6+5)=3/4\\18.6/24.8=3/4\\18.6:24.8::3:4[/tex]

Answer:

40°

I hope it will be useful.

Step-by-step explanation:

Angles on the same side of the transversal are equal.

Answer:

x=40

Step-by-step explanation:

If m and n are parallel (symbol ||) then the blue angles must be equal.

In other words, 120 must be 3x.

Hence the solution for x is 120 divided by 3, which is 40.

Answer:

Jaycee sold 28 candy bars

Step-by-step explanation:

Jayce and Rylee are selling candy bars for a school fundraiser. Rylee sold 84 candy bars and raised $210. If Jayce raised $70, how many candy bars did he sell?

From the above question:

$210 = 84 candy bars

$70 = x candy bars

Cross Multiply

210 × x = 70 × 84

x = 70 × 84/210

x = 28 candy bars

Therefore, Jaycee sold 28 candy bars

Answer:

$34.78

Step-by-step explanation:

first,  we need to find the value of 1 HCF, so we divide $48.70 by 14, giving us the result of 3.47857143. (rounding that turns out to be 3.48.

next, we need to multiply the cost of 1 HCF by 10, so 3.48 * 10 = 34.78

Answer:

they are not parallel

Step-by-step explanation:

they intersect eachother

Step-by-step explanation:

1 mile is 1760 yards

1 min is 3600 seconds

[tex] \frac{6yards}{second} \times \frac{1mile}{1760yards} \times \frac{3600seconds}{1min} = \frac{?}{?} [/tex]

then you treat the units as variables and solve. I hope I did this right heh...

Answer:

%35 of 200 is 70

Step-by-step explanation:

so it maybe 70

am i right

Answer:

70% percent of cards

Step-by-step explanation:

If I am wrong pls correct me

Answer:

The first one

Step-by-step explanation:

Answer:

Only the first table represents a linear function. In order to be in linear function, the graph of the function must be a straight line. Plotting the graph, by taking the data points from the given table and then plotting in the cartesian coordinates system, several graphs are generated.

Step-by-step explanation:

BRAINLIEST PLZZZ

Answer:

D

Step-by-step explanation:

We are given that the side of a square is: 8√12.

And we want to find the area.

The area of a square is given by:

[tex]A=s^2[/tex]

Where s is the side length. Remember that all side lengths in a square are equivalent.

Therefore, by substitution, we acquire:

[tex]A=(8\sqrt{12})^2[/tex]

Evaluate. We can expand:

[tex]A=(8)^2(\sqrt{12})^2[/tex]

Simplify:

[tex]A=64(12)=768\text{ in}^2[/tex]

Hence, our final answer is D.

Answer:

b  =  16

Step-by-step explanation:

16*x  + b*x  + 4  =  0

Solving for x we get:

x₁,₂  =   - b  ±  √  b² - 4*a*c   ] / 2*a         (1)

If we take a look to the square root

√ b² - 4*4*16      =  √ b²  - 256

if we make √ b²  - 256    = 0

b²  =  256       ⇒      b  =  16

Then equation (1) becomes:

x₁,₂  = ( - 16  ±  0  ) / 32

x  = -  1/2

Answer:

$8

Step-by-step explanation:

Answer:

45 mph

Speed =distance ÷ time

X=450÷10

X=45

Answer:

The commission is $6335

Step-by-step explanation:

Step one:

given

The sale price of the house was $90,500

the commission is 7% of the sale price

Required

The amount of the commission

Step two:

the amount of the commission can be calculated as follows

[tex]=7/100*90500\\\\=0.07*90500\\\\=6335[/tex]

Answer:

i think the answer is a. but not for sure

Answer:

I think you have it right!

Step-by-step explanation:

if not then try to add each angle to see if you get 288

Answer:

It’s the first one, 9x-32

Step-by-step explanation:

Maybe

Answer: It is a 6 percent decrease

Step-by-step explanation:

125,000-117,500=7,500

(125,000)(0.06)=7,500