Which statement about k(x)=-x2-2x+15 is true?

A The zeros are -3 and 5, because k(x)= -(x + 3)(x - 5).
B The zeros are -5 and 3, because k(x)= -(x + 5)(x - 3).
C The zeros are -5 and -3, because k(x)= -(x + 5)(x + 3).
D The zeros are 3 and 5, because k(x)= -(x - 3)(x - 5).

Answer:

Step-by-step explanation:

Line AB is parallel to line CD (k) so they have the same slope.

slope=m=(y2-y1)/(x2-x1)

m=(6-0)/(4-0)

m=6/4=1.5

y=mx+b, we know m=1.5 so

y=1.5x+b, and we know it passes through point (4,0) so we can solve for b

0=1.5(4)+b

0=6+b

b=-6 so line k is

y=1.5x-6

Answer:

a record of all the mail that a mailbox identifies as Junk

Answer:

Take away 1 from either side so the equation becomes 63=3x then divide both sides by 3 so it becomes 21=x which is your answer (option A)

Step-by-step explanation:

Answer:

$719.72

Step-by-step explanation:

Answer:

A.

Step-by-step explanation:

Answer:

c

Step-by-step explanation:

Answer:

diarrhea

Step-by-step explanation:

Answer:

Its Interquartile range, Mad and range

Step-by-step explanation:

Answer:

181 Square cm.

Step-by-step explanation:

Step-by-step explanation:

step 1. the 3rd side of a triangle must be less than the addition of the other two sides

step 2. 3 is not less than the addition of 1 and 2

step 3. no. this cannot be a triangle.

Answer:

2^4/4^2 will be 1, I will explain after answering,

2 x 3^1 = 6

(4 - 2) ^2 = 4

First. Evaluate the exponents in the fraction above

2 x 2 x 2 x 2 = 16

4 x 4 = 16

and 16 over 16 would equal 1 whole

3 to the power of 1 means just 3 so 2 x 3 = 6 (easy multiplication)

Evaluate in the parenthesis first: 4 - 2 = 2 then 2 to the power of 2 would be   2 x 2 = 4

Answer:

hi hi hi hib hi j mv

Step-by-step explanation:

Answer:

It will take it 7 weeks

Step-by-step explantion

Answer: 9

Step-by-step explanation: so first you remove the ( ) because they’re useless in this then once you remove then Since two opposites add up to zero, remove them from the expression then you only get left with 9.

Answer:  max capacity is 1625 gallons.

Diagram is shown below.

=========================================================

Explanation:

We'll draw two horizontal number lines to help make a comparison or connection between percentages and tank capacity.

For the top number line, make 5 sections with the labels: 0%, 20%, 40%, 60%, 100%. The reason I'm picking 5 is because 40% = 40/100 = 2/5. So having 40% capacity means we're 2/5 full. That denominator 5 tells us how to subdivide each number line.

The bottom number line will also have 5 sections. We only know one label for this bottom portion right now. That label is 650. Place this directly under the "40%". This visually is one way to represent that 650 gallons is 40% filled. See the diagram below.

Cut the 650 in half to get 325. This corresponds to 40% cut in half to get 20%. Therefore, 325 will go under the 20%. Being 20% full means we have 325 gallons of water.

To figure out the 60% portion, we will multiply 325 by 3. This is because 3*20% = 60%, so 3*325 = 975. We'll write "975 gallons" under the "60%"

Then we have 1300 gallons under the 80% since 4*325 = 1300. Note how 4*20% = 80%, so that's where the '4' multiplier comes from.

Finally, we multiply 325 by 5 to get 1625 and that represents the full tank's capacity. Technically we could have just jumped to this directly without having to find the 60% or 80% capacity values, but it's good practice I think.

Again the diagram is shown below. The answer we're after is at the very bottom right corner. It's under the 100% to indicate the tank is completely full, or has reached max capacity.

-----------------------

Here's a way to find the answer without a double number line. This method involves setting up a proportion.

(40% full)/(650 gallons) = (100% full)/(x gallons)

40/650 = 100/x

40x = 650*100

40x = 65000

x = 65000/40

x = 1625

We confirm that the tank's max capacity is 1625 gallons.

Answer:

C.) x = -5

Step-by-step explanation:

-4x = 20

x = -5

-4(-5) = 20

Answer:

C) x=-5

Step-by-step explanation:

-4x=20

divide both sides by -4.....

-4x÷-4=20÷-4

x=-5

Answer: 25 percent

Step-by-step explanation:

The probability of pulling out a red colored marble is [tex]\frac{1}{4}[/tex] or 25%.

'Probability is a branch of math which deals with finding out the likelihood of the occurrence of an event.'

According to the given problem,

Total number of marbles = 16

Number of red marbles = 4

Probability = [tex]\frac{No of possible outcomes}{Total number of outcomes}[/tex]

The number of possible outcome is the number of red marbles = 4

Total number of outcomes is the total number of marbles = 16

⇒ Probability = [tex]\frac{4}{16}[/tex]

                        = [tex]\frac{1}{4}[/tex]

                        or, [tex]\frac{1}{4}[/tex] × 100

                        = 25%

Hence, the probability of pulling out a red marble is 25%.

Learn more about probability here:

https://brainly.com/question/26703830

#SPJ2  

Answer:

11

Step-by-step explanation:

5x5+1=11

Answer:

Step-by-step explanation: the ghetto

Answer:

a. Parallelogram

b. Rectangle

C. Rhombus

D. Square

E. Kite

F. Parallelogram

Let me know if this helps!

Answer:

final answer is d

Step-by-step explanation:

explanation multiply exponent on the outside by the inside.

btw you dont have to give me brainliest i dont really care for it i just like helping hope it's right good luck.!!;)

Answer:

5.4661089e+63

Step-by-step explanation:

Answer:

x = 11

Step-by-step explanation:

33 divided by 3 is 11, and 11 times 3 is 33.

answer:

11

step-by-step explanation:

the easiest way to explain this is just to divide

33/3

which gets you the answer of 11

but here is another way to explain this

3x = 33

since the 3 and the x are times/multiplying each other and we need to get x by its self, all we do is move the 3 to the other side ( where 33 is ) but instead of multiplying them, we have the change the sign to dividing

3x = 33

/3 ----|>

( dont forgot to rewrite the equation!! )

x = 33/3

now all we need to do is divide 33 by 3 which gives us the answer of

11

hope this helps you! and if you ever need anymore help of problems like theses, just ask me :)

Answer:

the elimination method you either add or subtract the equations to get an equation in one variable. When the coefficients of one variable are opposites you add the equations to eliminate a variable and when the coefficients of one variable are equal you subtract the equations to eliminate a variable.

Answer: 3/4 inch

Step-by-step explanation:

When Jim was 15, he grew 1/4 of an inch and when he was 16, he grew 1/2 of an inch.

His growth during those two years will be:

= 1/4 + 1/2

= 1/4 + 2/4

= 3/4 inch

His growth increased by 3/4 inches.

Answer:

downlaod photo math, take a pic of the question and boom. theres your answer

Answer:

1000

Step-by-step explanation:

just trust me <3