Mathematics High School

Can someone please help? ​

Can Someone Please Help?

Answers

Answer 1
x = -7 x = 0 and x = 7
Answer 2

Answer:

x= -9, x=9

Step-by-step explanation:

hope i helped if i did it wrong lmk i can try doing it better

Related Questions

There are three consecutive numbers such that 3 times the greatest decreased by five times the middle number is-33

Answers

Answer:

Step-by-step explanation:

Let (n-1), n, and (n+1) be the consecutive numbers.

3(n+1) - 5n = = -33

-2n + 3 = -33

-2n = -36

n = 18

The numbers are 17, 18, 19

Please and Thank You ​

Answers

I think it’s A, 0 x 2 = 0 4 x 2 = 8, 0 + 5 = 5, 5, 8

If you were babysitting, which would you rather: Charge $5 for the first hour and $8 for each additional hour? Charge $15 for the first hour and $6 for each additional hour? Explain your reasoning. Students, draw anywhere on this slide




(show your work plz )​

Answers

Answer:

cahrge 15 for first hours and 6 for every additional hour

Step-by-step explanation:

you get more money because if you do one hour then you will still get $15 in a hour while if you do one hour in the other equation yolu will only get $5

i just calculated my GPA and it’s 86.146% but how do i convert it?

Answers

Answer:

To convert a GPA B+ 87-89 3.3

Step-by-step explanation:

So you have a B+!!!

Hope this helps!!!

Answer:

You got a B+

Step-by-step explanation:

Good Job

PLEASE HELPP ILL GIVE YOU BRAINLIEST!!

Answers

Answer:

1) 23a + 18

2) 23a - 6

3) 23a - 18

4) -16

5) 7a - 6

Step-by-step explanation:

Use the distributive property (if it is subtraction remember to distribute the negative sign as well)

1) 3(5a + 2) + 4(2a + 3) = (15a + 6) + (8a + 12) = 23a + 18

2) 3(5a + 2) + 4(2a - 3) = (15a + 6) + (8a - 12) = 23a - 6

3) 3(5a - 2) + 4(2a - 3) = (15a - 6) + (8a - 12) = 23a - 18

4) 3(5a - 2) - 5(3a - 2) = (15a - 6) - (15a +10) = 15a - 6 - 15a - 10 = -16

5) 3(5a + 2) - 4(2a + 3) = (15a + 6) - (8a + 12) = 15a + 6 - 8a - 12 = 7a - 6

Try doing the rest :)

Can someone help me with 1 and 2 I’m confused!!!!!! Plz help me !!!!!

Answers

1) The cheapest rate for sending a 1-pound package is USPS Ground. A 20-pound package is USPS Ground.

2) The most expensive rate for sending a 1-pound package is FedEx on the first day. A 20-pound package is FedEx on the first day

Pleaseee helpppp answer correctly !!!!!!!!!!!!!!!!! Will mark Brianliest !!!!!!!!!!!!!!!!!

Answers

Answer:

10.4 meters

Step-by-step explanation:

Which function is represented by the graph?

Answers

The answer would be the last option,
f(x) = - |x - 4|

The y-intercept would be (0, -4)

On a piece of paper, use a protractor to construct A ABC with mZA = 30mZB= 60° and mZC = 90
Which statements about the triangles are true?
Select each correct answer
1. АС 2.AC > BC
3. AC > AB
4.AC < BC

Answers

Answer:

In short, Your Answer would be Option 1.AC < AB & 2.AC > BC

Step-by-step explanation:

Here, we know largest side is always opposite to the largest angle.

As largest angle is C with 90 degree, it's opposite side which is AB must be longest here!! & AC would be second largest & BC would be smallest

The statement about the triangle is given as AB > AC > BC

What is a triangle?

A triangle is a polygon with three sides and three angles. Types of triangles are isosceles, scalene, equilateral and right angled triangle.

The size of a triangle side is proportional to the angle opposite to the side.

m∠A = 30, m∠B= 60° and m∠C = 90. Hence: AB is the greatest followed by AC and then BC

AB > AC > BC

The statement about the triangle is given as AB > AC > BC

Find out more on triangle at: https://brainly.com/question/17335144

1 1/8 divded by negative 3/7

Answers

Answer:

Step-by-step explanation:

Exact Form:

[tex]-\frac{21}{8}[/tex]

Decimal Form:

−2.625

Mixed Number Form:

[tex]-2\frac{5}{8}[/tex]

i am so confused please

Answers

1) 8a
2) 2x
3) 8k
4) 19.25c
5) 11y-5
6) .25x+2
7) 7t+14
8) 3.2k+5
9) z+6x
10) 3n+4p
11) 2y+2x
12) 27g-3s
13) 11m+100
14) 2w+12
15) 3b+10
16) 7a+6
17) 16n+10
18) 3y+6x
19) 15p/2
20) 3s-2t

1. Given that ABCD is a rhombus with ∠DBC=49∘, what is ∠DAB?
A. 82 degrees
B. 90 degrees
C. 49 degrees
D. 98 degrees

2. In a rhombus FGHJ, m∠JKF=(3y+6)∘ and m∠KFG =(7y−14)∘. Find the value of y?
A. 20
B. 10
C. 8
D. 5

Answers

Answer:

1). Option (A)

2). Option (D)

Step-by-step explanation:

1). We will use two properties of the rhombus,

   - Diagonals of a rhombus are perpendicular and bisect each other.

   - Diagonals of a rhombus bisect the opposite angles.

From the figure attached,

    m∠DBC = 49° [Given]

    m∠DBA = 49° [m∠DBC = m∠DBA]

    In ΔAOB,

    m∠AOB + m∠OBA + m∠BAO = 180° [Triangle sum theorem]

    90°+ 49° + m∠BAO = 180°

    m∠BAO = 41°

    Since, m∠DAB = 2(m∠BAO)

                              = 2(41°)

                              = 82°

Option (A) will be the answer.

2). From the figure attached,

    m∠JKF = (3y + 6)°

    m∠KFG = (7y - 14)°

    Since, m∠JKF ≅ m∠KFG

    (3y + 6) = (7y - 14)

    7y - 3y = 6 + 14

    4y = 20 ⇒ y = 5

    Option (D) will be the answer.

pls help!! what is x

Answers

Answer:

x is a variable to fill in something that is unknown. its like a question mark

Step-by-step explanation:

A square has a perimeter of 20x+28 units. Which expression represents the side length of the square in units? A 4x+4 B 5x+7 C 3x+13 D x+4​

Answers

Answer:

B. (5x+7)

Step-by-step explanation:

i did same question on a quiz yesterday lol

Name the property of real numbers illustrated by the equation (x + 8) + 4 = x + (8 + 4)

A. Distributive Property

B. Inverse Property

C. Commutative Property

D. Associative Property

Answers

Answer:

D. Associative Property

Step-by-step explanation:

The group is being switched around.

Answer:

the answer is

Step-by-step explanation:

associative property

3) The legs AB and BC of a right-angled triangle ABC measures (2x-13) cm and (x - 12) cm
respectively. Find the length of BC, if AC is 37 cm long.

Answers

Answer:

30 I am good but I don't know if it's right

Nicholas bought a new computer for $1,250. The value of the computer decreases by 17 percent every year. Approximately how much is the computer worth after 5 years?

Answers

Answer: The computer worth $ 492.38 after 5 years.

Step-by-step explanation:

If the value of an item depreciates by r% then the value of the item after t years is given by :-

[tex]V=V_0(1-\dfrac{r}{100})^{t}[/tex]

, where [tex]V_0[/tex] = initial value.

Given: [tex]V_0[/tex] =$1,250, r=17% , t= 5 years

Then, the value of computer after 5 years = [tex]1250(1-\dfrac{17}{100})^5[/tex]

[tex]=1250(0.83)^5\\\\=1250(0.39390)\\\\\approx492.38[/tex]

Hence, the computer worth $ 492.38 after 5 years.

Which symbol makes the statement true?
|15| ? -12
<
>
=
≥

Answers

Answer:

>

Step-by-step explanation:

Absolute value means whatever is inside of it is always positive so 15 is greater than -12.

Which of the equations below shows the relationship in the table

Answers

d is the answer

explanation:
plug it into the equation

1 = 15/15
3 = 15/5
etc.

SOMEONE PLEASE HELP ME ANSWER THIS QUESTION!!
I’LL MARK YOUR ANSWER AS BRAINLIEST ANSWER!!

Answers

Answer:

a) 30 b) 21 c) 153

Step-by-step explanation:

a) 5 squares * 6 = 30 phones

b) 3.5 squares * 6 = 21 phones

c) 25.5 squares * 6 = 153 phones

Lincoln Middle School plans to collect more than 2,000 cans of food in a food drive. So far, 668 cans have been collected. Write and solve an inequality to
Tind numbers of cans the school can collect on each of the final 7 days of the drive to meet this goal
Which inequality represents the solution to this situation?
Oc< 190.29
Oc> 190.29
OC> 190.29
OC > 9324

Answers

Answer:

Oc> 190.29

Step-by-step explanation:

Look at the graph below. Will ordered pair (50,200) fall on the line below? Explain your answer.



Middle school math.

Answers

Answer:

Yes!

Step-by-step explanation:

the slope of the graph travels 1x for every 4y, so multiply  both numbers by 50, which gives you (50, 200)

When solving an equation, Francesca's first step is shown below. Which property
justifies Francesca's first step?
Original Equation:
- 2x + 2 = -4
First Step:
-2x = -6

Answers

-2
the second equation is the result of subtracting 2

The property justifies Francesca's first step is subtracting 2.

Here,

Original Equation is,

- 2x + 2 = -4

First step is,

-2x = -6

What is the equation?

An equation is made up of expressions that equal each other.

Now,

Original Equation is,

- 2x + 2 = -4

For find the first step;

-2x + 2 -2 = 4 - 2

-2x = -6

Hence, The property justifies Francesca's first step is subtracting 2.

Learn more about the Equation visit:

https://brainly.in/question/19089782

#SPJ2

What’s the scale factor (mark as brainliest)

Answers

Answer:

Its divided by 3

Step-by-step explanation:

bigger is 6, smaller is 2....shrinked by 3

Scale factor is 1/8!!!!!! Hope it helps

3². (2²+4)
What is the value of the expression
22
?
A. 10
B. 15
C. 19
D. 27
someone please help lol

Answers

The answer is 72
Hope this helps :)
Could I also have brainliest

Hurry please!!

What do these markings
represent?


What do these markings
represent?



Answers

Answer:

the measurements are equal

Step-by-step explanation:

i think it means they're equal lol

Answer:

The small arrows mean parallel the lines mean equal in length

If you know the answer to this let me know pls!

Answers

Answer:

I think it is C.

Step-by-step explanation:

Have a good day. :-)

A = (1,5)
C = (1.75, 2.5)
B = (?)
What are the coordinates of point Bin the diagram?

Answers

Answer:

I'm sorry I can't give you an answer until i see a picture of where the mark of B is.. could you try posting a picture as well an i can answer.

Step-by-step explanation:

Write an equation to describe the axis of
symmetry for the graph on the right

Answers

Answer:

across the mibble to the down

Step-by-step explanation:

Christopher went into a restaurant and bought 5 hamburgers and 10 drinks, costing a total of $52.50. Wyatt went into the same restaurant and bought 2 hamburgers and 9 drinks, costing a total of $31. Write a system of equations that could be used to determine the price of each hamburger and the price of each drink. Define the variables that you use to write the system.

Answers

Answer:

Step-by-step explanation:

Let the price of each hamburger be a and the price of drink each be b.

5a+10b=52.50

2a+9b=31

5a+10b=52.50

a=10.5-b

2(10.5-b)+9b=31

7b=10.5

b=1.5

a=10.5-1.5

a.9

∴The price of each hamburger is $9 and the price of each drink is $1.5

                                   

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