Mathematics High School

1. (3n+2)(n+3)
this is multiplying binomial by a binomial

Answers

Answer 1

Using the distributive property with FOIL:

(3n + 2) ( n + 3)

3n² + 9n + 2n + 6

3n² + 11n + 6

Related Questions

Simplify the expression to a + bi form:
(11 + 9i)2

Answers

Answer:

22+18i

Step-by-step explanation:

distribute the 2

22+18i

PLEASEEE HELPPPPPPPPPPPPPPPPPP

Answers

Answer:

coordinate is 3rd or -;- coordinates

[tex]\sf x-8=12[/tex]

Answers

Answer:

x=20

Step-by-step explanation:

Firstly add 8 in both sides.

Or,x-8=12

or,x-8+8=12+8

Add up:

Or,x=20

[tex]\boxed{\sf Answered \: By\: Subhash} [/tex]

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Answer:

[tex]x=20[/tex]

Step-by-step explanation:

[tex]x-8=12[/tex]

[tex]x-8+8=12+8[/tex] ( Add 8 to both sides)

[tex]\sf x=20[/tex]

Taylor has $150 to spend on small canvases and paints for her art classes. The art supply store sells a four-pack
of small canvases for $4.00 and paints for $6.25, including tax.
Which inequality represents this situation where is the number of four-packs of canvases and p is the number of
paints Taylor purchases?
O4c+ 6.25p < 150
O 40+ 6.25 > 150
O 6.25c+ 4p > 150
O 6.25c +4p < 150

Answers

Answer:A

Step-by-step explanation:

MARKING BRAINLEIST + A THANKS !!

Answers

30/20

and simplified it would be 3/2
so yeah ur answer is 3/2

The people on this app are mean for not answering

Answers

aggreed very mean.....

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help me im having trouble on slopes

Answers

Answer:

The slope-intercept form of an equation looks like this: y=mx+b

The m stands for the slope and the b stands for the y-intercept.

We need two points from the line to write out this equation.

For example (-2,0) and (1,2)

Now that we have the slope, we can plug it into our equation: y= 2/3x + b

To get b, our y-intercept, we just need to plug in one of the points found and solve. For example (-2,0)

Now that we have both our m and b values, we can plug them in to get our equation: y=2/3x + 4/3

Step-by-step explanation:

[tex]m= \frac{y1-y2}{x1-x2} = \frac{0-2}{-2-1}[/tex]

[tex]m=\frac{-2}{-3} = \frac{2}{3}[/tex]

[tex]0=\frac{2}{3}(-2)+b[/tex]

[tex]0=-\frac{4}{3}+b\\ 0+\frac{4}{3}=-\frac{4}{3}+\frac{4}{3}+b\\ 0+\frac{4}{3}=b\\ \frac{0*3}{3}+\frac{4}{3}=b\\ \frac{4}{3}=b[/tex]

a
=
670
rounded to the nearest 10
b
=
72.7
rounded to 1 DP
Find the minimum (to 2 DP) of
a
÷
b

Answers

Answer:9.22

First, 670 rounded to the nearest ten is:

670

Second, 72.7 rounded to 1DP is:

well, 72.7

a÷b is:

9.2159

9.22 (2 DP)

Find the slope, m, and y-intercept, b, for the graph of the linear equation represented by the table below.

Answers

Answer: m=1/2, b=-7

Step-by-step explanation:

(0,-7) is the y-intercept on the line...

Pls help me with this one

Answers

Answer:

It's not proportional

Step-by-step explanation:

The first 2 days are proportional because, they travel at an increment of 60 miles an hour.

But, on the third day, it is not proportional because they travel at an increment of 90 miles an hour.

360 / 4 = 90

120 / 2 = 60

60 / 1 = 60

Answer:

The answer would be yes and no!! But, it would be no!

Step-by-step Explanation:

Yes: On Monday and Tuesday, those would be proportional because they are just counting by 60´s. 60 plus 60 would give you 120.

No: On Wednesday, this ¨person¨ traveled 360 miles in 3 hours. Now, you aren´t counting by 60´s anymore. Even though you started out counting by the 60´s, doesn´t mean you will finish like that.

60´s:

1 hour = 60 mi

2 hours = 120 mi

3 hours should be = 180 miles, not 360 Because:

360 mi would be equal to 6 hours. Do you see where I´m going with this?

Hope that helps you so you can put it in a mathematical way. Have a great day!!

If you get it wrong, plz notify me any way possible...... :)

Mr. Garcia wants to package 16 math books and
20 science books into boxes. Each box will have the
same number of each type of book, with none left
over. What is the greatest number of books he can
put in each box? How many boxes are needed?

Answers

Answer:

four boxes are needed, greatest number 9??

Step-by-step explanation:

16 math and 20 science

4 5

you can divide both by 4

hope that helps

Consider the sequence shown

Then describe the pattern

Answers

Well it looks like the sequence is that each shape is going up by 2 sides each time.

2. Solve x2 + 2x + 7 = 0 using the Quadratic Formula

Answers

Answer:

-1 ± i√7

Step-by-step explanation:

x² + 2x + 7 = 0D = 2² - 4*7 = 4 - 56 = -52x = (-2 ± √-28)/2 = (-2 ± 2√-7)/2 = -1 ± i√7

the angles of a triangle measure 4 degrees,86 degrees, and 90 degrees.

Answers

Answer:

It is a right angled triangle.

Step-by-step explanation:

Because it has 90° angle in it.

Hope it helps..!!<3

The ratio of men to women working for a company is 4 to 5. If there are 110 women working for the company, what is the total number of employees?

Answers

Answer:

198

Step-by-step explanation:

?/4 110/5

cross-multiply 4*110

440

divide 440/5

88 men

add total employees

110 women + 88 men = 198

In triangle RST, mZR>m2S +mZT. Which must be true of triangle RST? Check all that apply.

OmZR > 90°

mZS + mZT< 90°

0 m2S = mZT

OmZR>mZT

OmZR>mZS

OmZS> mZT

Answers

Answer:

Step-by-step explanation:

1,2,4,5

The correct statements are,

m∠R > 90°

m∠S + m∠T < 90°

m∠R > m∠T

m∠R > m∠S

What is mean by Triangle?

A triangle is a three sided polygon, which has three vertices and three angles which has the sum 180 degrees.

Given that;

Here, RST is a triangle,

Therefore,

m∠R + m∠S + m∠T = 180°

⇒ m∠S+m∠T = 180° - m∠R

Since, m∠R > m∠S + m∠T

⇒ - m∠R < - (m∠S + m∠T) (by multiplying-1 on both sides)

⇒ 180°- m∠R < 180° - (m∠S + m∠T) (by adding 180° on both sides)

⇒ m∠S+m∠T < 180° - (m∠S + m∠T)

⇒ m∠S+m∠T+ m∠S+m∠T < 180° ( by adding m∠S + m∠T on both sides)

⇒ 2(m∠S+m∠T) < 180°

⇒ m∠S+m∠T < 90°

⇒ m∠R > 90° ( because m∠R+m∠S+m∠T = 180° )

Again, m∠R > m∠S + m∠T

⇒ m∠R > m∠S and m∠R > m∠T

Thus, Option first second fourth and fifth are correct.

Since, m∠S = m∠T is only possible when m∠R=90° (but it is not given)

That is why m∠S = m∠T is not correct.

And, there are not enough information to prove m∠S > m∠T

That is why m∠S > m∠T is also incorrect.

Learn more about the triangle visit;

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×/2=y/3; y/4=z/4 và x+2y-z=10

Answers

Can you make it clear?

IF YOU CAN ONLY ANSWER ONE ITS OKAY

Find the slope of a line perpendicular to each given line.
13) -3y = 9 - 4x
14) -y - 1 = 6 x

Answers

13. M=4/3

14. m=-6

Step-by-step explanation:

4x+3y=16 x= -3 and y= -2 Solve the equation

Answers

Answer:

Is this question wrong?

Step-by-step explanation:

4x+3y=16

4(-3)+3(-2)=16

-12-6=16

-18=16

A retiree has $200,000 to invest and needs to make $13,000 with her investments. If she can invest in government bonds at 6% or investment-grade bonds at 8%, how much should she invest in each?

Answers

Answer:

$50,000 at 8%; $150,000 at 6%

Step-by-step explanation:

$50,000 x .08 = $4000

$150,000 x .06 = $9000

$4000 + $9000 = $13,000

Please answer correctly nobody ever answers my questions im upset :C

Answers

Answer:

The measure of angle S is 60°

Step-by-step explanation:

This is an equilateral triangle, which means that all sides and all angles are equal. Hence, in order for all the angles to equal 180°, they each have to equal 60°

Measure of angle S is 60°

this is because this is a equilateral triangle which is equal to 180° & there are no given measurements for angle T & R so if you do 180 divided by 3 you get 60. hope this helps

A concert earned $3,745 in ticket sales. One ticket to the concert cost $35.

How many tickets were purchased for the concert?

Answers

Answer:

107 concert tickets were bought

Step-by-step explanation:

Divide 3,745 by 35 and you will get 107 which is the correct answer.

answer these 3 questoins

Answers

Answer:

b) m = 1/2

c) m = 3

d) m = 1/3

Step-by-step explanation:

b) rise = 1, run = 2; m = rise/run, so m = 1/2

c) rise = 3, run = 1; m = rise/run, so m = 3

d) rise = 1, run = 3; m = rise/run, so m = 1/3

Can someone help me with this

Answers

-6 + x = -7

+6 +6 add 6 to both sides, 6's cancel out on the left.

________

x = -1, is the answer.

Hope this helps! Let me know if you have any other questions related to this problem. :)

Answer:

x= -1

Step-by-step explanation:

-6+x = -7

x = -7+6

x= -1

what quadrant is 4,6 in?

Answers

Answer:

1st quadrant

Find the iterative rule for
a1=4; an=1/3·an−1

A.) an=1/3•4^n
B.) an=1/3•4^n-1
C.) an=4•(1/3)^n
D.) an=4•(1/3)^n-1

Answers

Answer:

D.) a(n) = 4 * (1/3)^(n-1)

Step-by-step explanation:

a(1) = 1/3 * a(1-1) = 1/3 * a(0) = 4, so that

1/3 * a(0) = 4

a(0) = 12.

Answer choice D.) is such that a(0) = 4 (1/3)^(0-1) = 4*(1/3)^(-1) = 4 * 3 = 12, and assuming that the problem is well posed (i.e., exactly one of the answer choices is correct), we deduce that D.) is the correct answer choice.

Explain how you can mentally determine that 35000 divided by 70 is 500

Answers

Firstly, 35 = 7 x 5

Thus, ignoring the zeroes, we can see that 35000 / 7 would be 5000. Then, divide it by 10 to get 500.

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express 5^20 as a power of 25

Answers

5^20 can be written as (5^2)^10=25^10

The expression of 5^20 as a power of 25 can be written as 25^10.

What are exponents?

The exponents of a number are defined as the representation of a number that shows how many times a number is multiplied by itself.

We need to express 5^20 as a power of 25

If we have a^b then 'a' is called base and 'b' is called power or exponent and we call it "a is raised to the power b" means this statement might change from text to text slightly.

Thus, 5^20 can be written as ;

(5^2)^10 = 25^10

Therefore, the expression of 5^20 as a power of 25 can be written as 25^10.

Learn more about exponentiation here:

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what is the answer?
can someone help me with this?

Answers

Answer:

181.58 pics per month

Step-by-step explanation:

divide 1150 by 6.33

1150/6.33=181.58

If x + y = 10 and x - y = 4, find the value of x² - y²

Answers

Answer:

x²-y² = 40

Step-by-step explanation:

Factorising x²-y²:

x²-y² = (x+y)(x-y)

This is due to the property that states:

a²+b² = (a+b)(a-b)

Substituting the given values into the above equation:

x²-y² = (10)(4)

= 40

Hence, x²-y² = 40

Hope this helps and be sure to have a wonderful time ahead at Brainly! :D

Answer:

x² - y²=40 or 7²-3²=40

Step-by-step explanation:

if x=7 that would make y=3

7+3=10 and 7-3=4

7x7=49

3x3=9

49-9=40

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1. (3n+2)(n+3) this is multiplying binomial by a binomial

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1. (3n+2)(n+3)
this is multiplying binomial by a binomial