Mathematics High School

This is for my friend so if you could solve this asap that would be great

This Is For My Friend So If You Could Solve This Asap That Would Be Great

Answers

Answer 1

Answer:

1. 5x^2 − 3x − 2

2. 4s^2 −28s + 49

3. 4y^2 + 9y + 8

Answer 2

Answer:

[1] 5x² - 3x - 2[2] 4s² - 28s + 49[3] 4y² + 9y + 8

Explanation:

(3x² + 4) - (-2x² + 3x + 6)

Remove Parenthesis: (a) = a

3x² + 4 - (-2x² + 3x + 6)

Simplify -(-2x² + 3x + 6): 2x² - 3x - 6

3x² + 4 + 2x² - 3x - 6

Simplify 3x² + 4 + 2x² - 3x - 6

5x² - 3x - 2

(2s - 7)²

Apply Perfect Square Formula: (a - b)² = a² - 2ab + b²²: a = 2s, b = 7

(2s)² - 2 · 2s · 7 + 7²

Simplify (2s)² - 2 · 2s · 7 + 7²

4s² - 28s + 49

(7y² + 9y - 2) + (-3y² + 10)

Remove Parenthesis: (a) = a

7y² + 9y - 2 - 3y² + 10

Group Like Terms

7y² - 3y² + 9y - 2 + 10

Add Similar Elements: 7y² - 3y² = 4y²

4y² + 9y - 2 + 10

Add: -2 + 10 = 8

4y² + 9y + 8

Related Questions

y'all I need help asap

Answers

Answer:

Let's solve for x.

4x+5y=7

Step 1: Add -5y to both sides.

4x+5y+−5y=7+−5y

4x=−5y+7

Step 2: Divide both sides by 4.

4x/4=−5y+7/4

x=−5/4 y+ 7/4

Answer: for the first one x=−5/4 y+ 7/4

3x−2y=−12

Step 1: Add 2y to both sides.

3x−2y+2y=−12+2y

3x=2y−12

Step 2: Divide both sides by 3.

3x/3=2y−12/3

x=2/3y−4

Answer:

x=2/3y−4

Step-by-step explanation:

what is the area of rhombus ABCD
8.5ft and 3.5ft​

Answers

Answer:

b

Step-by-step explanation:

edmentum

please help, no need to show work :)

Answers

Answer:

1 and 8 alternate exterior angles

4 and 5 - alternate interior angles

6 and 7 - vertical angles

4 and 8 - corresponding angles

3 and 5 - consecutive interior angles

1 and 2 - linear pair

Step-by-step explanation:

Can somebody plz help figure out the rest of the answers thanks ! :D (make sure u do them correclty)

WILL MARK BRAINLIEST WHOEVER ANSWERS FIRST :DD

Answers

Answer:

Step-by-step explanation:

3. 3

4. 5

5. 6

Answer:
3) 7z = 21 = 3
4) 5m = 25 = 5
5) 8n = 48 = 6
You can always a calculator!!

A person invests 9000 dollars in a bank. The
bank pays 6.5% interest compounded daily.
To the nearest tenth of a year, how long
must the person leave the money in the bank
until it reaches 31100 dollars?

Answers

Answer:

19 years approx

Step-by-step explanation:

Given dta

P= $9000

r= 6.5%

A= $31100

Calculate time, solve for t

t = ln(A/P) / r

substitute

t= ln(31100/9000)/0.06.5

t= ln(3.45)/0.06.5

t= 1.23/ 0.065

t= 18.92

Hence the time is 19 years approx

Nora did her homework for 1 hr 5 min. She started on her homework at 11:35 a.M.What time did Nora finish doing her homework

Answers

Answer:

12:40

Step-by-step explanation:

The two-way table below gives information on seniors and juniors at a high school and by which means they typically get to school.

you select one student from this group at random. If the student says he is a senior, what is the probability that he or she takes the bus to school.

A) 0.073
B) 0.160
C) 0.256
D) 0.455​

Answers

Answer:

C

Step-by-step explanation:

64/250 is 25% which translates to .25

Find the value of x. 4 х 25 10 X = = [?]​

Answers

Answer:

X=10

Step-by-step explanation:

I need help with this last problem please

Answers

Answer:

25

Step-by-step explanation:

12+13=25 so 25x5=125 and 125 divide 5=25

I'm on computer so examples will look weird so I will label them.

Answer:

Your answer will be 25.

Step-by-step explanation:

1. You will rewrite the division as a fraction

Ex:    5 × (12+13)

     ____________

               5

2. Cancel the common factor which is 5 so you will cross out the 5's

3. Then you would divide the (12+13) by 1

4. Finally you would add the 12 and the 13 to get 15.

I hope this helps.   :  )

Douglas is inviting some friends to his birthday party, and
he can spend up to $100. He will spend $9 on sodas. If
pizzas are $15 each, which inequality could Douglas use to
determine the number of pizzas he can purchase. Let x
represent the number of pizzas. (TEKS 7.10A-S)

Answers

Answer:

$91/$15=x

Step-by-step explanation:

$100-$9=$91 and 91÷15= 6. omething which means only 6 pizza can be purchased.

The answer up above just says 91 divided by 15 gives you the amount of pizzas. He can only buy 6 pizzas with a pound remainding

If you could help me with any of these questions that would make me very happy : )

Answers

Answer:

Step-by-step explanation: The first one would be -40 X 30. The parentheses around -25 turns it into a positive. And 5 make you round up

For 2, the -18 turns into a positive 18 bc of the parentheses. So round up to 20. Round 38 up to 40. 20 x 40

For 3, the negative 16 turns positive, making the equation -21 x 9 x 16. Round them to -20, 10, and 20. The equation is -20 x 10 x 20. Hope this helps!

solve the inequality below. use the drop down menus to describe the solution and its graph -7x+13 ≥41

Answers

Answer:

x ≥-4

Step-by-step explanation:

-7x+13 ≥41

-7x ≥28 (subtraction property of equality on both sides-subtract 13)

x ≥-4 (division property of equality on both sides-divide by -7)

The answer is x>_ -4 I did the homework

If m<1 is 68° and m<3 is (3x - 7)º, what is x?

A. 25
B. 26 1/3
C. 49
D. 140

Answers

Answer:

C. 49.

Step-by-step explanation:

The measure of the angle below <1 = 68 degrees (vertical angles).

m < 3 = 72 + 68         External angle of a triangle theorem.

m < 3 = 140

3x - 7 = 140

3x = 147

x = 49.

Answer:

C

Step-by-step explanation:

The angle at the top of the triangle is vertical to ∠ 1 and congruent

The exterior angle of a triangle is equal to the sum of the 2 opposite interior angles.

∠ 3 is an exterior angle of the triangle, then

3x - 7 = 72 + 68 = 140 ( add 7 to both sides )

3x = 147 ( divide both sides by 3 )

x = 49 → C

Complete the fact family for the following numbers
5,9,4

Answers

Answer:

it's on goggle

Step-by-step explanation:

goggle yeah yeah yeah

addition: 5+4=9 4+5=9
subtraction: 9-5=4 9-4=5

Write an equation in point-slope form of the line that passes through the point (4, 7) and has a slope of −1

Answers

Answer:

y=-x+5

Step-by-step explanation:

For this question, we have to use point-slope form:

y-y1=m(x-x1)

y-1=-(x-4)

y-1=-x+4

y=-x+5

Let me know if this helps!

PLZZ HELP WILL GIVE BRAINLIEST

Answers

Answer:

x=2 y=4

Step-by-step explanation:

Answer:

(2,4)

Step-by-step explanation:

substitute the [tex]y = 2x[/tex] for the [tex]y[/tex] in [tex]x = -y + 6[/tex]

[tex]x = -(2x) + 6[/tex]

[tex]x = -2x + 6[/tex]

[tex]3x = 6[/tex]

[tex]x = 2[/tex]

next take [tex]x = 2[/tex] and input it into [tex]y = 2x[/tex]

[tex]y = 2(2)[/tex]

[tex]y = 4[/tex]

so if [tex]x =2[/tex] and [tex]y = 4[/tex], the ordered pair solution is:

[tex](2,4)[/tex]

Which of the following would be a better buy than purchasing 4 mangoes for $16?

Answers

what are the options uh??

(7th grade math question)

Evan bought a pair of shoes for $120 there is a discount on the shoes for 10% off and the tax is 5%. What is the total price?

A) 105.46
B) 113.40
C) 108.00
D) 109.36

please answer soon ​

Answers

It's B I think. I might have done it wrong. But I pretty sure it's B

Answer:

It’s B

Step-by-step explanation:

find the area of the following parallelogram. pleasee helppp! ​

Answers

Answer:

1736

Step-by-step explanation:

Area= b x h

      = 28 x 62

      = 1736 m

Which value will change most when
13 is added to the data set?
0, 6, 4, 5, 3, 3, 2
A mean
B median
C mode
D outlier

Answers

Answer:

it's the mean bc mode and median will not change and that outlier is the one that's different but they are all diff

please help
will give brainliest

Answers

i cannot read it swry

please help me! ASAP explain for brainlist.

Answers

Step-by-step explanation:

Hello,

First, there are 8 possible outcomes for the game spinner.

Second, the spinner is on 5, meaning that the outcome is 5.

Try to work with this, and if you need more help, I’ll answer back if I can.

Answer:

okay see the correct answer is D

Step-by-step explanation:

first 0f all a sample space means the possible outcome for all possibilities. like just as shown in the spinner the 1 2 3 4 5 6 7 8, or it could be in a dice 1 2 3 4 5 6 like that

second of all the outcome shown is wh,at the possibility landed on like as shown its five since the arrow of the spinner is there, as for a dice for example it could have been 4 4 since dice are always 2

I SERIOUSLY AM SKIPPING MY MATH CLASS IM HELLA BORED BUT DO U UNDERSTAND MATE

Aline that includes the point (3. 10) has a slope of 4. What is its equation in slope intercept

Answers

slope intercept: y=mx+b

1. plug in values
point: (3,10); slope: 4—> 10=4(3)+b

2. solve for b

3. write the equation as y=4x+b (you will have found “b”)

Hope this helps!

Answer:

Y = 4x - 2

Step-by-step explanation:

Use the given slope and point to substitute into the point-slope formula

Which coordinate plane shows triangle ABC after
a reflection over the y-axis?

Answers

After a reflection over the y-axis:
A=5
B=4
C=7

The rule for coordinates for a reflection over the y -axis is:

( x, y ) → ( −x, y )

The coordinates plane for the triangle ABC after a reflection over the y-axis is

A(5, -2), B(4, -4), and C(6, -4).

What is reflection?

Reflection is a transformation that flips a shape in a mirror line also called a line of reflection so that each point is the same distance from the mirror line as its reflected point.

The rule for coordinates for a reflection over the y -axis is:

( x, y ) → ( −x, y )

We have,

The following coordinates:

A = (-5, -2)

B = (-4, -4)

C = (-6, -4)

Since the rule for coordinates for a reflection over the y-axis is

(x, y) ⇒ (-x, y)

We have,

(-5, -2) = (5, -2)

(-4, -4) = (4, -4)

(-6, -4) = (6, -4)

Thus the coordinates plane for the triangle ABC after a reflection over the y-axis is A(5, -2), B(4, -4), and C(6, -4).

Learn more about reflection here:

https://brainly.com/question/15487308

#SPJ5

Simplify the expression below:
(-5x² + 2) - (4x² – 5x - 9)

Answers

Answer:

-9x² + 5x + 11

Step-by-step explanation:

-5x² + (-4x²) + 5x + 2 + 9

-9x² + 5x + 11

The first five terms are shown.
2.4, -3.4, -9.2, -15, -20.8,..
If the pattern continues, which expression can be used to find the [tex]n^{th}[/tex]
A. - 5.8 - 3n
B. -3- 5.8n
C. 8.2 - 5.8n
D. -5.8-8.2n

Answers

-5.8n+8.2
C.......,.
It’s b
Think this it the right one

(2/3 x t) x 1 1/2

Pls help

Answers

The answer should be 11/3

3/8 of pupil in year 9 say their favourite colour is red there are 136 pupil in year 9 how many students said red is their favourite colour

Answers

Answer:

51 students

Step-by-step explanation:

3/8 of the total fraction of students say their favourite colour is red. If there are 136 students in the class, the total number of students that like red is :

3/8 X 136 = 51

PLEASE ANSWER QUICK!!!

Bill started cooking at 10:45 AM and finished at 11:23 AM.
How long did it take him? Give your answer in minutes.

Answers

38 mins

dbdhshshehhwsh

if u help me ur a very nice person :DDD

Answers

Answer:

D. -31 is less than -23

Step-by-step explanation:

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