Mathematics High School

Need help quick please need it really bad

Need Help Quick Please Need It Really Bad

Answers

Answer 1

[tex]7x + 3 = 4x + 15[/tex]

Both sides minus 3

[tex]7x = 4x + 15 - 3[/tex]

[tex]7x = 4x + 12[/tex]

Both sides minus 4x

[tex]7x - 4x = 12[/tex]

[tex]3x = 12[/tex]

Divided both sides by 3

[tex]x = \frac{12}{3} \\ [/tex]

[tex]x = 4[/tex]

Related Questions

lesson 5 mod1 answer key 7.1

Answers

On second about to do it

River used the Remainder Theorem to find the remainder of (x^3-2x^2-68x-120)divided by(x+2) and got a remainder of 0. What does this mean?

A) It means -2 is a factor and x= -2 is a root.


B)It means (x+2) is a factor and x= -2 is a root.


C) It means (x-2) is a factor and x= 2 is a root.


D) It means 0 is a factor and x= 0 is a root.​

Answers

Answer:

It means (x+2) is a factor and x = -2 is a root.

Step-by-step explanation:

I know this bc i took the test and got it right

What is −2≤x−11≤6 Im new to this and i dont understand it. It would be kindly nice if you would help me please

Answers

4m67 is the right answer

Line 1: (15, 20), (17, 18)
Line 2: (-22, -18), (-20, -16)
The two lines are ______

A. Parallel
B. Neither
C. Perpendicular
D. Opposite

Answers

The lines are Perpendicular. The 2 lines intersect and create a angle of 90 degrees.

Use an addition equation to solve for x.
6, 14, x

Perimeter = 35
A. 15
B. 55
C. 21
D. 29​

Answers

Answer:

A.15

Step-by-step explanation:

If you add 6+14=20. So if you add 15 you get 35.

Answer:

a:15

Step-by-step explanation:

Suppose y varies directly as x, and y = 7 when x = 2. Find x when y = 21.

Answers

Answer:

Step-by-step explanation:

y = k x X

7 = k x 2

7/2 = k...............1

hence y = 7/2x (substituting eq 1)

y = 21

therefore, x = 2y/7

x = 2 x 21

         7

x = 2 x 3

x = 6    

The required value of x is 6, when y =21 and y directly varies as x.

What is proportion?

A mathematical comparison of two numbers is called a proportion. According to proportion, two sets of provided numbers are said to be directly proportional to one another if they increase or decrease in the same ratio.

Given that,

y directly varies as x,

Implies that,

y ∝ x

or y = k x         (1)

When x = 2 and y = 7, from equation (1)

7 = k × 2

k = 7 / 2

To find the value of x when y = 21,

Substitute values of k = 7 /2 and y = 21 in equation (1),

21 = (7 / 2) × x

3 × 2 = x

x = 6

The value of x when y = 21, is 6.

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70 Points question!!!! Answer ASAP
sec pi/3=2=

Answers

Answer:

pi/6

Step-by-step explanation:

take away the "=" and pretend its a parenthesis and    combined  

the two, the answer would be pi/6.

Answer:

2

Step-by-step explanation:

To Find :-

sec ( π / 3 ) sec ( 180°/3) sec 60° 2

A business has weekly profits of $5,000, $1,700, $2,000, $2,500, $5,000, and $3,000. Why is using the mode to describe the data set misleading?

Answers

Answer: IT JUST IS

Step-by-step explanation:

Mr.winstons class worked in 3 groups 1/4 of the students read 5/8 of the students worked with mr.winston the remainder of the class worked on a project what part of the class worked on a project
A. 9/8
B.5/8
C./8
D.1/8
Will give brainliest

Answers

The answer is 1/8. When we take out the LCM and and make the denominators same we get the answer.

Answer:1/8(D)

Stepplease mark me as the brainliest

evaluate each expression ​

Answers

Answer:

Step-by-step explanation:

6) 4

7) 28

A neon light flashes five time every 10 seconds. show that the lighy flashes 43200 tines in one day.​

Answers

Step-by-step explanation:

There are 60 * 60 * 24 =  86400 seconds in a day

if the light flashes 5 times every 10 seconds, that means it flashes once every 2 seconds.

It follows the flashes in a day are 86400 / 2 = 43200

Suppose Matthew Whitaker performs on a rectangular stage with an area of 1815 square feet. If the length of the stage is 5x and the width of the stage is 3x, what is the value of x?

Answers

x=121

3×5=15

1815÷15=121

x=121

Answer:

The correct answer is 11.

Step-by-step explanation:

55 x 33 = 1815

find the coordinates of the midpoint of each segment formed by the given points.
(2, 4) and (-4,-9)
(-4, 4 ) and (8.5)

Answers

Answer:

-1,-2.5 & 0.5,4.5

hope this helps!

Step-by-step explanation:


A calculator screen shows a number in scientific notation as 1.04E10. Write this number in standard form.

Answers

Answer:10400000000

Step-by-step explanation:

The standard form of a number is a way of writing the number in a form of a  decimal number, between 1.0 and 10.0, multiplied by a power of 10.

The standard form of the number 1.04E10 is 1.04 x [tex]10^{10}[/tex].

What is a standard form of a number?

The standard form of a number is a way of writing the number in a form of a  decimal number, between 1.0 and 10.0, multiplied by a power of 10.

We have,

1.04E10

This is in a scientific notation.

E10  = [tex]10^{10}[/tex]

So,

1.04E10  = 1.04 x [tex]10^{10}[/tex]

Thus the standard form of the number 1.04E10 is 1.04 x [tex]10^{10}[/tex].

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GIVING BRAINLIEST AND MORE

Answers

Answer:

11×3= 33

33 is the sum of what 11 times 3 equals.

A factory made 125 packs of gum. 32% of the packs contained mint-flavored gum. How
many packs of mint gum did the factory make?

Answers

Answer:

3.90

Step-by-step explanation:

There are 30 colored marbles inside a bag. Six marbles are yellow, 9 are red, 7 are white

Answers

Answer:

Finish the question

Step-by-step explanation:

Drag each equation to the correct location on the table.
Which equations have one solution and which have infinitely many solutions?

Answers

Answer: The 1st one is 1 soultion the 2nd one is 1 soultion the 3rd one is multiple soultion and the last one is multiple solution

Step-by-step explanation: hope I am right?

1=one 2=multiple 3=one 4=multiple

6 honeycrisp apples cost $1.99. How much do 11 apples cost?

Answers

.Answer:

3.65

Step-by-step explanation:

if 6 apples = $1.99, if you divide $1.99 by 6, you get the cost for one, then if you multiply that by 11, you get the amount for 11 apples. The real total is $3.64833333333 but if you round it, it goes to $3.65

Answer:

Step-by-step explanation:

Ummm.wait,


Use the number line and the additive inverse to find the
difference.

Answers

3/4, the negatives cancel each other out so you add them

Answer:

Use the number line and the additive inverse to find the difference.

Step-by-step explanation:

3/4

help me pleaseeee i’m gonna fail math and leave a step by step of u can

Answers

Answer:

I think it is D.

Step-by-step explanation:

152-43=109

Answer:

C

Step-by-step explanation:

angle DEC=180-152=28

AB//DEF --> angle A=angle DEC = 28 (alternate angle)

angle B=angle D=43

angle DCE=180-43-28=109

angle ACB= angle DCE = 109 (vertical angle)

angle ACD=180-109 = 71

angle BCE-angle ACD = 71 (vertical angle)

Find the difference between the polynomials:–3x+x3–2x2 and 4x3–2x2–4x

Answers

Answer:

x-3x^3

Step-by-step explanation:

^ means to the power of btw

this is what I meant on my last question. sorry​

Answers

Answer:

its C

Step-by-step explanation:

9. The amount of money Allen earns varies directly with the amount of time he works. He earns
$19 for working 2 hours. How much can Allen earn if he works 5 hours?

Answers

Answer:

47.5

Step-by-step explanation:

19÷2=9.5x5=47.5

H=2.9L+78.1
About how tall would the male have been if the length of the humerus measured 39 cm?

Answers

Answer:H=191.2

Step-by-step explanation:

H=2.9(39)+78.1

H=113.1+78.1

H=191.2 cm

A motorboat heads upstream a distance of 24 miles on the Guadalupe River, whose current is flowing at 3 miles/hour. Which expression can represent the total time it takes to complete a round-trip up and back, where b is the speed of the boat in miles/hour?

Answers

Answer:

24/b-3 + 24/b+3

Step-by-step explanation:

For PLATO users!!!!

This expression represents the total time, Time = [tex]\frac{24}{b-3} + \frac{24}{b+3}[/tex]

What is distance?

Distance is defined as the product of the speed and time.

Given,

b = the speed of the boat in miles/hour

let,  effective speed upstream = (b+3)

effective speed downstream = (b-3)

∵Time = distance/ speed

Given that, upstream a distance of 24 miles

Time = [tex]\frac{24}{b-3} + \frac{24}{b+3}[/tex]

This expression represents the total time it takes to complete a round-trip up and back.

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5h-13=12 ca I have an
answer

Answers

Answer:

h=5

Step-by-step explanation:

Let's solve your equation step-by-step.

5h−13=12

Step 1: Add 13 to both sides.

5h−13+13=12+13

5h=25

Step 2: Divide both sides by 5.

5h /5 = 25 /5

h=5

I this helps may I get brianliest?

Answer: h = 5

Step-by-step explanation: 5h + 13 = 12  -13 + 5h = 12  ( h ) 0 + 5h = 12+13 5h = 25 ~ 5

Solve for x
14x = 5(2x – 4) – 12

Answers

The answer is
X = - 8

Answer:

x=3

Step-by-step explanation:

14x= 5(2x-4) - 12

14x= 10x - 20 - 12

14x= 10x -8

24x= 8

x= 3

What’s 0.5 divided by 808.0

Answers

Answer:

LoOk At ThE CaLcUlAtOr

Step-by-step explanation:

Fraction form:  1/1616

The Answer is 1616

(Use a Calculator)

Find the value of x in this
equation
(6x + 1) - 3x = (2x - 1)
Help pls ASAP

Answers

Answer:

x = -2

Step-by-step explanation:

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