multiply (x+7) (x-7)

Answers

Answer 1
 (x+7) (x-7)
= x^2 - 49

using a^2 - b^2 = (A + b)(a - b)
hope it helps
Answer 2
foil the answer so it would be 2x-7x+7x-49 then you would combine like terms so the answer is 16x-49

Related Questions

the number of students enrolled at a college is 15,000 and grows 4% each year

Answers

I am not sure the question that you are asking here but I may be able to help you out. To figure out how many physical students that the college gains you have to multiply 15000 and 4%. However, you have to make the 4% into a decimal. In order to do that, you have to move the decimal place two places to the left. This would make 4% into 0.04. When you multiply 15000*0.04, you get 600. Then you go from there to answer whatever question you wanted answered.

The words regarding growth factor for the given blanks are a) 15000, b) 0.04, 1.04, c) 15000 × 1.04 and d) y = 15000(1.04)ˣ

What is growth factor?

The growth factor refers to a specific part of an exponential function. This is the base of an exponential function.

Given is a black statement, we need to find the words to be filled in them,

a) The number of students enrolled at a college is 15,000 and grows 4% each year,

Since, the number of students at time of enrollment is 15000, therefore, the initial amount = 15000

b) The percent rate of change is 4%, so the growth factor b is 1 + ______ = ______

Here, the percent rate of change is for growth, therefore,

the growth factor = 1 + 0.04 = 1.04

c) To find the number of students enrolled after one year, you calculate

15,000....

To find the number of students after one year = 15000 × 1.04

d) Complete the equation y = ?

The equation for the same will be  =

y = 15000(1.04)ˣ

Hence, the words regarding growth factor for the blanks are a) 15000, b) 0.04, 1.04, c) 15000 × 1.04 and d) y = 15000(1.04)ˣ

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For f(x) = 5x +1 , find f(-4)

Answers

substitute -4 for x
This means 5(-4)+1
Which is equal to -19
f(-4)= 5(-4)+1
= -20+1
= -19
option A is correct

All of the following expressions are equivalent except _____.

2 - x
x - 2
-2 + x
x + (-2)

Answers

2 - x. because if you replace the x with any number you will get the same answer except for in 2-x. Ex

2 - 4 = -2

4 - 2 = 2

-2 + 4 = 2

4 + (-2) = 2

Hello! Your answer would be A. 2 - x.

God bless! :)

Use the figure to complete the sentence.

∠6 and ____ are corresponding angles.

∠2
∠3
∠7
∠8

Answers

i think 2 is the answer i might be wrong

Answer:

Its 2

Step-by-step explanation:

i did the test :)

Relationship B has a greater rate than Relationship A. This graph represents Relationship A.

Which equations could represent Relationship B?

Select each correct answer.

y = 3x

y = 1.4x

y = 2.2x

y=12x

Answers

Answer:

Step-by-step explanation:

Answer:

y=2.2x

y=3x

Step-by-step explanation:

Took the test and got it correct

the graph shows the height of 10 sunflower grown in pjs garden

Answers

i think it is 1/2. (just filling the 20 characters now)

Answer:

B. [tex]\frac{1}{2}[/tex]

Step-by-step explanation:

We have been given a graph that shows the height of the 10 sunflowers grown in PJ's garden. We are asked to find the probability that the 11th flower will be at least 60 inches.  

[tex]\text{Probability}=\frac{\text{Total number of favorable outcomes}}{\text{total number of possible outcomes}}[/tex]

From the given experiment we can see that there are 5 sunflowers with height more than or equal to 60 inches, so total number of favorable outcomes is 5.

Since there are total 10 sunflowers, so total number of possible outcomes is 10. Upon substituting our given values in probability formula we will get,

[tex]P(\text{The 11th plant will be at least 60 inches})=\frac{5}{10}[/tex]

[tex]P(\text{The 11th plant will be at least 60 inches})=\frac{1}{2}[/tex]

Therefore, the probability that 11th plant will be at least 60 inches is [tex]\frac{1}{2}[/tex] and option B is the correct choice.

which Statement describes what these four powers have in common? 4^0 (-2)^0 (1/3)^0
A. all the powers have a value a value of 0 because the exponent is zero
B. all the powers have the value of 1 because the exponent is zero

Answers

the answer would be B) all the powers have the value of 1 because the exponent is zero

Answer:

Option B is correct

all the powers have the value of 1 because the exponent is zero

Step-by-step explanation:

Using the exponent rule:

[tex]a^0 = 1[/tex] for any real number a.

Given that:

[tex]4^0 = 1[/tex]

[tex](-2)^0 = 1[/tex]

[tex](\frac{1}{3})^0 = 1[/tex]

⇒all the powers have the value of 1 because the exponent is zero

Therefore, the  Statement describes what these four powers have in common is, all the powers have the value of 1 because the exponent is zero

PLS HELP ME ASAP algebra

Answers

It is 2n+2. 5n - 3n = 2n.
It's 2n+2. Because you add like term

there are 6 photos on the wall.there are 2 photos in each row. how many rows of photos are there

Answers

There are 3 rows of pictures on the wall because 2 times 3 is 6
Final answer:

There are 3 rows of photos on the wall.

Explanation:

To determine the number of rows, we need to divide the total number of photos by the number of photos in each row. In this case, there are 6 photos and 2 photos in each row. So, we divide 6 by 2:

6 ÷ 2 = 3

Therefore, there are 3 rows of photos on the wall.

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Hey principal evenly distribute six copies of paper to eat fifth grade teachers. How many copies of paper does the fifth graders teachers receive.

Answers

okay if there are 8 teachers and 6 reams of paper you would have to divide 6 by 8 and you would get 0.75

6/8= 0.75

each teacher would get 0.75 (3/4) of a ream of paper

how many 5/16 foot pieces of wood can you cut from a board that is 1 9/16 feet long

Answers

Hi Mariram14oxksdx!
So 5/16 foot pieces from a 1 9/16 feet long piece of wood. OK so this is easy what we do is we do 1 9/16 divided by 5/16 which we switch 1 9/16 to 25/16 divided by 5/16 so we keep 25/16 switch the division symbol to a multiplication symbol and flip the 5/16 so now we have 25/16*16/5 which is 400/80 we can simplify to 5. So a 1 9/16 foot long board can make 5 5/16 pieces of wood.
Hope this helps!

Answer:So 5/16 foot pieces from a 1 9/16 feet long piece of wood. OK so this is easy what we do is we do 1 9/16 divided by 5/16 which we switch 1 9/16 to 25/16 divided by 5/16 so we keep 25/16 switch the division symbol to a multiplication symbol and flip the 5/16 so now we have 25/16*16/5 which is 400/80 we can simplify to 5. So a 1 9/16 foot long board can make 5 5/16 pieces of wood.

Step-by-step explanation:

Simplify each expression by distributing and combing like terms
-9(m+2)+4(6-7m)

Answers

-9(m+2)+4(6-7m)
= -9m - 18 + 24 - 28m
= -37m + 6

find the next three terms in this sequence 1,4,9,16,25

Answers

1,4,9,16,25
3 5 7 9 ...
The next 3 terms are 36, 49, and 64.


Hope this helps!
These are perfect squares
1,4,9,16,25,36,49,64,81,100...

vicki drives to and from the gym 2 days a week. The distance from her home to the gym is 13 miles. Over the course of 2 days, her car uses 1/8 of a tank of gas. Complete each sentence. Vicki drives a total of blank mi a week. To find the total number of miles that Vicki can drive with 1 tank of gas, she can blank by 18 .

Answers

Vicki drives a total of 52 miles per week (There and back is 26 miles and she does it twice a week)
Hello There!

Vicki drives a total of 52 miles a week. To find the total number of miles vicki can drive with one tank of gas, she can divide by 18.

Hope This Helps You!
Good Luck :) 

- Hannah ❤

of 60 books on a bookself, 24 are nonfiction what percent of the books are not nonfiction?

Answers

Of 60 books on a bookshelf, 24 are nonfiction what percent of the books are not nonfiction?
40% of the books are nonfiction which means 60% of the books on the bookshelf are not nonfiction.











































































Divide.

−513÷234

−1256

−7512

−13133

−11112

Answers

Answer:

2.19, -1,253, -8,765, -21,898, -33,010

Step-by-step explanation:

Answer: The answer is not 2.19, -1,253, -8,765, -21,898, -33,010 it is -1 31/33

Step-by-step explanation: This question was on my quiz and I got it right.

3/9X18=? 7X3/4=? PLEASE HELP ME!!!!!!!!!!!!!!!!!!!!!!!!1

Answers

first one is 6

3/9 is 0.3333333333 0.333333333× 18 is 6

second one is 5.25

7×3 is 21 21 /4 is 5.25
6 and 5 1/4.

Hope this helps,
♥Nikki♥

A package of dried fruit weighs 1/2 of a pound if one serving size is 1/8 of a pound how many servings would be in the package

Answers

4 because 1/8 goes into 1/2 4 times. 1/2 divided by 1/8 equals 4. 1/8 times 4 equals 1/2.

What is the cost of the bill if a drink costs $3, a meal costs $20

Answers

23 dollars because you add twenty and three together
You add $3 and $20 so it would be $23.

If Sawyer makes $15 an hour, which equation represents his earnings? Question 1 options: W = 15h W = 15/h W = h/15 W = 15 + h

Answers

the first one is the answer w=15h


The triangle below has a total perimeter of 450 cm:

picture of a triangle with sides 128 and 150. Third side unknown

Write an equation and solve it to find the length of the longest side of the triangle.

Answers

The third is 450-(128+150)=450-150-128=300-128=172
So the longest side is 172 cm

Whenever she visits Oakdale, Karin has to drive 55 kilometres due north from home. Whenever she visits Brookfield, she has to drive 48 kilometres due east from home. How far apart are Oakdale and Brookfield, measured in a straight line?

Please show work <3

Answers

sorry it is a bit messy but the answer is right
here it is, just use pitagorean theorem, because it's a right triangle

Team Tool Bella canoed 15 3/4 miles in 5 1/4 hours. What was their average speed in miles per hour

Answers

Thee miles per hour

we know that

To find the average speed divide the total distance by the time

In this problem we have

[tex]total\ distance=15\frac{3}{4}\ miles[/tex]

[tex]time=5\frac{1}{4}\ hours[/tex]

Convert mixed numbers to an improper fractions

[tex]total\ distance=15\frac{3}{4}\ miles=\frac{15*4+3}{4} =\frac{63}{4}\ miles[/tex]

[tex]time=5\frac{1}{4}\ hours=\frac{5*4+1}{4} =\frac{21}{4}\ hours[/tex]

Divide the total distance by the time

[tex]\frac{(63/4)}{(21/4)} =\frac{63}{21} =3\frac{miles}{hours}[/tex]

therefore

the answer is

the average speed is  [tex]3\frac{miles}{hours}[/tex]



One weekend, Nate compared his history homework to his younger sister Caroline’s social studies homework. He found that for every 2 1−3 pages he had to read for homework, Caroline had to read one page for homework. How many pages did Nate read for every three pages Caroline read?

Answers

In my calculations he would have to read 6 to 8 pages 


Hope this helped! :)

he read  2 1/3 pages to her one

so 2 1/3 * 3 =

7/3 * 3 = 21/3 = 7 pages

Jami jogged 1/3 of a mile in 1/6 of an hour. What was her speed in miles per hour?

Answers

there are 6  1/6 per hour

multiply 1/3 by 6

1/3 * 6 = 6/3 = 2 miles per hour

How do you solve 2x cubed + 3x squared -2x -3 = 0

Answers

4x + y = 3y = -4x + 32x + y = -5y = -2x - 52x + 3y = 9y = -2/3x + 33x + 4y = -8y = -3/4x - 24x - 2y = 10y = 2x - 5-6x + 4y = -8y = 3/2x - 24x - y = 3y = 4x - 33x - y = -8y = 3x + 82x - 4y = 4y = 1/2x - 12x - 5y = 15y = 2/5x - 3What is a rational number?Any number that can be written as a fraction.What is an irrational number?A number that goes on forever and has no pattern.How do you write a repeating decimal as a fraction?Put a 9 under the repeating digit. (One 9 for every repeating digit)What is a square root?When a number is multiplied by itself to make another number. Ex: The square root of 49 is 7, because 7*7=49What are the first 10 perfect squares?1, 4, 9, 16, 25, 36, 49, 64, 81, 100How do you multiply powers with the same base?Add the exponents and keep the base the same.How do you divide powers with the same base?Subtract the exponents and keep the base the same.What do you do with a negative exponent?Flip the number to the other side of the fraction and make the exponent positive.How do you raise a power to another power?Multiply the exponents.What is any number raised to the 0 power?1How do you find the slope of a line on a graph?Pick two points and find rise over run.How do you find the slope of two points?Find how much the y changes over how much the x changes.How do you find the slope of a table?Find how much the y changes over how much the x changes.When you write an equation in y=mx+b form, what does the m stand for?Slope

a concrete patio is 5 2/3 feet wide. it has an area of 36 5/6 square feet. Is the concrete slab long enough to fit a 7 foot picnic table without placing the table along the diagonal of the patio? Explain

Answers

Answer:

No

Step-by-step explanation:

W are given that a concrete patio is [tex]5\frac{2}{3}[/tex] feet wide

and area of of concrete patio is [tex]36\frac{5}{6}[/tex]

We have to find out the length of concrete slab is 7 foot or not.

We know that area of rectangle =[tex]l\timesb[/tex]

Let length of concrete patio =x foot

Breadth of concrete patio =[tex]\frac{17}{3}[/tex] feet

Area of concrete patio =[tex]\frac{221}{6}[/tex]

Using formula

[tex]\frac{221}{6}=\frac{17}{3}\times x[/tex]

[tex]\frac{221}{6}\times \frac{3}{17}=x[/tex]

[tex]x=\frac{13}{2}[/tex] foot=6.5 foot

Hence, length of concrete slab is 6.5 foot not 7 foot.Therefore, 7 foot picnic table will no fit.

The concrete slab is not long enough to fit the picnic table.

The concrete patio is in the shape of a rectangle. A rectangle is an object that has four sides. The diagonal is the length from angle of the rectangle to the other angle of the rectangle.

The area of a rectangle = length x width

length = area / width

[tex]36\frac{5}{6}[/tex] ÷ [tex]5\frac{2}{3}[/tex]

Convert to improper fractions

[tex]\frac{221}{6}[/tex] ÷[tex]\frac{17}{3}[/tex]

[tex]\frac{221}{6}[/tex] x [tex]\frac{3}{17}[/tex] = [tex]\frac{13}{2}[/tex]

length = 6.50 feet

The length of the patio is less than the length of the picnic table.

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Hhhhhhheeeeeeelllllllppppppp

Answers

the answer is -4/10y + 3
hope this helped!!!!


Solve for x:

negative 3 over 2, multiplied by x minus 9 equals negative 27

−24

−12

11

12

Answers

-3x/2 - 9 = -27
-3x/2 = -27 + 9
-3x/2 = -18
-3x = -18 * 2
-3x = -36
x = 36/3
x = 12

*negative thirty-six turned into negative thirty-six over three, but since both numbers were negative, we had to make it positive in order to simplify, so that's why the answer is twelve, and not negative twelve.

Answer:

x=12

Hope this helps :)

after simpiflying an equation, Juana gets 6=6. explain what this means

Answers

this means that Juana's strategy for simplifying the equation is correct. if both sides of the equation are equal to each other, it is correct.
Yeah I agree with gabriella
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