simplify (a + b)2

Answer Options:
a+b
ab
a2 + b2

Answer:

Step-by-step explanation:

Answer:

Last year there were 550 bison in the heard and this year it is 10% larger.

10% is also 10/100 or 0.10

To find 10% of the heard last year

550 x.0.10 = 55. To find the number in the heard this year add 550 (last year) + 55 (10% growth) = 605 or,

to find how many there are now last years heard size was 100% of the heard or 1.00. To find any percent more add it to 1.00 and multiply by the starting amount.

550 x 1.10 = 605

For the second example.

If there are 550 bison in the heard this year, and this year was a decrease of 10% from last year we can express last year's number like this.

550 = (x - (x * 0.10)) simplify;

550 = 1x - 0.10x

550 = 0.90x

Divide both sides by 0.90

x = 611.11 but it's hard to have 0.11 of a bison so realistically 611 bison last year. Subtract 10% or 61 and you indeed have 550 this year.

x²=y⇒x=√y

x=√112⇒10.583

x=√448⇒21.166

Answer: $76

Step-by-step explanation:

Stores buy goods from others and sell it at a higher price to make profit. The difference between the price they bought it for and the one they will sell is the markup.

The markup percentage represents that markup in terms of the original cost.

If the price now is 75% higher than the original price, assume the original price to be x.

Expression is:

x + (x * 75%) = 133

x + 0.75x = 133

1.75x = 133

x = 133/1.75

x = $76

Answer: (-3,-6)

Step-by-step explanation:

Answer:

(-3, -6)

Step-by-step explanation:

"x" goes first, and its -3 on the left

"y" goes last, and its -6 when it came down.

Answer:

1500yards

Step-by-step explanation:

Distance between two coordinates is expressed as;

D = √(x2-x1)²+(y2-y1)²

Given the coordinates (1,5) and (10, 17)

D = √(10-1)²+(17-5)²

D = √(9)²+(12)²

D = √81+144

D= √225

D = 15 units

Since 1 unit = 100yards

15 units = x

x = 15(100)

x = 1500 yards

Hence the delivery centres are 1500yards apart

Answer:

3 x = 15

Step-by-step explanation:

you need to divide the 15 by 10, 3 times and the you will get five

and it says Determine which equations below have x = 15 as a solution.

:( try Saving it to drive then using a not school device to go on drive and save it there then post it.

sorry if it’s a little confusing but I hope this helps! :D

Answer:

B. 21

Step-by-step explanation:

I just got it correct on edge 2021.

Also:

12 x 2 = 42

42 - 7 = 35

35 + 21 = 56

Answer:

21

Step-by-step explanation:

Answer:

x=15

Step-by-step explanation:

5x+19=2x+64

5x-2x=64-19

3x=45

x=15

Answer:

5x+19=2x+64

3x+I9=64

3x=45

I5

Answer:

y = -3.5x + 2

Step-by-step explanation:

Answer:

Step-by-step explanation:

16.50 × m = 99

m = 6

Answer:

20,640

Step-by-step explanation:

32 lots of 645

so 32×645=20,640

Answer:

[tex] \boxed{ \tt{1. \: \: 9a + 2b}}[/tex]

[tex] \boxed{ \tt{2. \: \: 2pqr + 3qrs - 3pqr}}[/tex]

Step-by-step explanation:

[tex] \tt{1. \: \: (5a - 6b) + (4a + 8b)}[/tex]

Remove the unnecessary parentheses :

⇾ [tex] \tt{5a - 6b + 4a + 8b}[/tex]

Combine like terms. Like terms are those which have the same base { For instance : In the term 4a , a is the base }. Also remember that : Only coefficients of like terms can be added or subtracted.

⇾ [tex] \tt{5a + 4a - 6b + 8b}[/tex]

⇾ [tex] \tt{9a + 2b}[/tex]

[tex] \tt{2. \: \: pqr + pqr - 2qrs + 5qrs - 3pqr}[/tex]

Combine like terms :

⇾ [tex] \tt{2pqr + 3qrs - 3pqr}[/tex]

Hope I helped ! ♡

Have a wonderful day / night ! ツ

▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁

Answer:

1. (5a-6b) + (4a+8b)

= (5a + 4a) + (8b - 6b)

=9a + 2b

2. pqr+pqr-2qrs+5qrs-3pqr

= 2pqr-3qrs-3pqr

= -3qrs-pqr

Step-by-step explanation:

have a great day

Answer:

£63

Step-by-step explanation:

when we subtract 15 from 48 ,we get 63 which is the answer.

Answer:

50

Step-by-step explanation:

................

..............

Answer:

g(x)=.05x+x

The graphs will be very similar but f(x) first one should increase a little faster

Step-by-step explanation:

Answer:

Tickets * cost - 10

Step-by-step explanation:

5*cost-10

Answer:

Area of pool = 24x²-43x-56 square feet

Step-by-step explanation:

Given that:

Dimensions of rectangular swimming pool = 3x - 8 and 8x + 7

Area of the swimming pool can be calculated by multiplying the dimensions.

Area of pool = (3x-8)(8x+7)

Area of pool = 3x(8x+7)-8(8x+7)

Area of pool = 24x²+21x-64x-56

Area of pool = 24x²-43x-56

Hence,

Area of pool = 24x²-43x-56 square feet

Answer:

you can say u are mutiplying them by two each times see

2:16

4:32

6:48

8:64

10:80

12:96

Step-by-step explanation:

mark brainlyest

Answer:

[tex]\mathrm{P(1)\:}=\frac{1}{5}[/tex]

Step-by-step explanation:

There are simply 5 possible values in the given set. Out of these, only one of these is the number 1. Therefore, the probability a 1 is drawn (P(1)) is [tex]\fbox{$\frac{1}{5}$}[/tex].

P(1) = 0.2

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

P(A) = n(A) / n(S)  

where, n(A) is the number of favorable outcomes and n(S) is the total number of events in the sample space.

For given question,

Number on dice = 1, 3, 3, 4, 4

⇒ S = {1, 3, 3, 4, 4}

total outcomes n(S) = 5

Let event A: getting 1 on dice

⇒ n(1) = 1

Using the formula of probability,

P(A) = n(A) / n(S)

⇒ P(A) = 1/5

⇒ P(A) = 0.2

Learn more about probability here:

brainly.com/question/12478394

#SPJ2

Answer:

4.5 cups

Step-by-step explanation:

if one batch requires 3 cups of flour

3b= cups of flour

3x1.5= cups of flour

4.5 cups

Answer:

B.

Step-by-step explanation:

there it is B

Answer:

aabmlkkjnj

Step-by-step explanation:

vhublboilkm;ojhu

Answer:

x = 9

Step-by-step explanation:

STEP 1: Find the dilation of RQ to VT

Dilation = 9:12

= 3:4 or 3/4

STEP 2: Apply that dilation to PR to UV

Expression: x-3:18

(x-3 has to equal 3/4 of 18)

18/3 = 6

x-3 = 6

x = 9

This is your final answer.

Hope this helped ^^

(Please inform me of any mistakes! -- i havent done this for some time hehe)

Answer:

right angle ( right )

Step-by-step explanation:

Pythagoras' theorem only works for right-angled triangles, so you can use it to test whether a triangle has a right angle or not. In the triangle above, if a 2 < b 2 + c 2 the angle is acute.

The solution is :The Pythagorean Theorem ONLY works on the triangle is: right angle ( right )

Here, we have,

we know that,

Pythagorean theorem, the well-known geometric theorem that the sum of the squares on the legs of a right triangle is equal to the square on the hypotenuse (the side opposite the right angle)—or, in familiar algebraic notation, a^2 + b^2 = c^2.

so, we have,

a^2 + b^2 = c^2 where a and b are the legs and c is the hypotenuse.

The hypotenuse is the side of a triangle across from a right angle, so the Pythagorean theorem works for right triangles.

again,

we know that,

Pythagoras' theorem only works for right-angled triangles, so you can use it to test whether a triangle has a right angle or not.

In the triangle above, if a 2 < b 2 + c 2 the angle is acute.

Hence, The solution is :The Pythagorean Theorem ONLY works on the triangle is: right angle ( right )

To learn more on Pythagorean theorem click:

brainly.com/question/24302120

#SPJ6

Answer:

The answer is the 3rd one.

Step-by-step explanation:

3 times 3 is 9

4 times 4 is 16

13 is in between those 2 numbers

Answer:

C

Step-by-step explanation:

square root of 13 is 3.60555127546, so it would be the third one

can u think abut brainlist

3^2 : 9

13

4^2 : 16