Mathematics High School

Can someone please solve this problem I’ve been trying to solve it for the past 40 minutes. PLEASE

Can Someone Please Solve This Problem Ive Been Trying To Solve It For The Past 40 Minutes. PLEASE

Answers

Answer 1

Answer: x = 10

Step-by-step explanation:

5x - 7 - 4x = 3

x = 3 + 7

x = 10

Answer 2

Answer:

[tex]5x - 7 - 4x = 3 \\ x - 7 = 3 \\ x = 3 + 7 \\ x = 10[/tex]

Related Questions

Need help 15 points!

Answers

Answer: Go with The second one, this is overall confusing but i think i get it

Step-by-step explanation:i think its a pattern so i would just follow it.

Answer:

345.82 metres

hi dear can I get your intro

2.
Remove the brackets and simplify
a) (x + 1) + (x + 2)?​

Answers

Step-by-step explanation:

✲ [tex] \text{(x + 1) + (x + 2)}[/tex]

Remove the unnecessary brackets :

⇢ [tex] \text{x + 1 + x + 2}[/tex]

Combine like terms. Like terms are those which have the same base. Only coefficients of like terms can be added or subtracted.

⇢ [tex] \text{x + x + 1 + 2} [/tex]

⇢ [tex] \text{2x + 3}[/tex]

[tex] \red{ \boxed{ \boxed{ \text{Our \: final \: answer : \boxed{ \underline{ \tt{2x + 3}}}}}}}[/tex]

Hope I helped ! ♡

Have a wonderful day / night ! ツ

▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁

(X + 1) + (X + 2)
= X + 1 + X + 2
= 2x + 3

Write an equation in slope-intercept form of the line that passes through the given point and is parallel to the graph of the given equation. (-2,-6); y=5

Answers

Let,the equation of line be
y
=
m
x
+
c
, where,
m
is its slope and
c
is the
Y
intercept.
Now,arranging the given equation in the above mentioned form to get its slope,
Given,
y
+
5
=
3
(
x
−
2
)
=
y
=
3
x
−
11
So,its slope is
3
Now,for two lines to be mutually perpendicular,their product of slope must be
−
1
So,
m
⋅
3
=
−
1
or.
m
=
−
1
3
So,our required line equation becomes,
y
=
−
1
3
x
+
c
Now,given,that the line passes through
(
6
,
2
)
,so putting the values in the equation to get
c
So,
2
=
(
−
1
3
)
⋅
6
+
c
or,
c
=
4
So,the equation of the line is
y
=
−
1
3
x
+
4
or,
3
y
+
x
=
12
graph{3y+x=12 [-10, 10, -5, 5]}

(!!!!!VERY URGENT!!!!!!) find the area of the composite figure

Answers

I cannot see the picture it is blank

-6(m - 828) = -72
solve for m
m=___

Answers

Answer:

m= 840

Step-by-step explanation:

Answer:

Step-by-step explanation:

Here you go mate

Use PEMDAS

Parenthesis

Exponent

Multiplication

Division

Addition

Subtraction

Step 1

-6(m-828)=-72  Equation/Question

Step 2

-6(m-828)=-72  Remove parenthesis

-6m+4968=-72

Step 3

-6m+4968=-72  Subtract 4968 from sides

-6m=-5040

Step 4

-6m=-5040  Divide sides by 6

answer

m=840

Hope this helps

Which equation could be used to find the value of x in the triangle below ?

Answers

The answer is b because all angles in a triangle add up to 180

The amount of a person's paycheck p varies directly with the number of hours worked 1. For 23 hours of work, the paycheck is \$172.50 . Write an equation for the relationship between hours of work and pay.

Answers

Answer:

Y/X=

172.50/23=

7.50/1

Step-by-step explanation:

I WILL MARK THE BRAINIEST
solve for x

Answers

Answer:

22?

Step-by-step explanation:

I'm not quite sure

Find the slope between the points (-2, 4) and (6, 12).​

Answers

Answer:

Use the slope formula to find the slope  

m  =  1

Don't take my word for it, hope this helps :)

Answer:

1

Step-by-step explanation:

12 - 4 = 8

6 - -2 = 8

Slope = 1

Isaac walks 8 km north and then 12 km east.
How far is Isaac from his starting point?​

Answers

Answer:

[tex]4\sqrt{13} \: km \: or \: \approx 4.4 \: km[/tex]

Step-by-step explanation:

[tex]\sqrt{8^{2} +12^{2} }=\sqrt{64+144} =\sqrt{208} =4\sqrt{13} \: (km) \: - distance \: from \: starting \: point.[/tex]

Solve the equation. 5t^3 +40t^2 = -80t

Answers

Answer:

-5t2 + 40t - 3

Step-by-step explanation:

Step-1 : Multiply the coefficient of the first term by the constant   5 • 3 = 15

Step-2 : Find two factors of  15  whose sum equals the coefficient of the middle term, which is   -40 .

     -15    +    -1    =    -16

     -5    +    -3    =    -8

     -3    +    -5    =    -8

     -1    +    -15    =    -16

     1    +    15    =    16

     3    +    5    =    8

     5    +    3    =    8

     15    +    1    =    16

The temperature was -5°F when Tiffany woke up in the morning. By noon, the temperature was O'F. How many degrees did the temperature
change?

Answers

Answer:

+5℉

Step-by-step explanation:

To get out of the negative you need to add, it was -5 now its 0. 5 degrees was added.

Answer: +5 °F

Step-by-step explanation:5°. 5°F to 0°F means subtracting 5 to get 0.


3. Find the value of x and the measure of the missing angle in the
figure below.
66°
(4x - 4)^

Answers

Answer:

7

Step-by-step explanation:

66+(4x-4)=90

66+4x-4=90

62+4x. =90

4x. =28

x. =7

Lea invests a sum of money in a savings account with an interest rate of 3.4% compounded continuously. After 10 years, the balance is $1900. What is the amount of her initial investment?

Answers

Answer:

$1,352

Step-by-step explanation:

The computation of the initial amount is shown below:

As we know that

Ending value = Initial investment × e^{rate, time period}

$1,900 = Initial investment × e^{3.4%, 10}

$1,900  = Initial investment × e^0.34

$1,900  = Initial investment × 1.404947591

So, the initial investment is

= $1,900 ÷  1.404947591

= $1,352

Which of the following ratios is NOT equivalent to start fraction 4 over 8 end fraction ?
A. The fraction one half or one over two is shown.
B. nine-eighteenths
C. start fraction 12 over 32 end fraction
D. start fraction 18 over 36 end fraction

Answers

C

4/8 equals 1/2 the rest are 1/2 but 12/36 is 1/3

what is the slope of the the line shown below?​

Answers

Answer:

The answer is A. -2/7

Step-by-step explanation:

A $900 notebook computer is discounted 5%. What is the sale price of
the notebook computer?

Answers

$855

hope this helps!
The answer is 855 dollars

It is asking if it is a solid line or undotted line I dont get it

Answers

Answer:

put a picture of the graph, also desmos is a good help with graphs enter the two points you were given into desmos and it will either be dotted or solid

Step-by-step explanation:

Find a cubic function with the given zeros.


[tex]\sqrt{5}, - \sqrt{5} , -7[/tex]


f(x) = [tex]x^{3} - 7x^{2} - 5x - 35[/tex]

f(x) = [tex]x^{3} + 7x^{2} - 5x + 35[/tex]

f(x) = [tex]x^{3} + 7x^{2} - 5x - 35[/tex]

f(x) = [tex]x^{3} + 7x^{2} + 5x - 35[/tex]

Answers

Answer:

The third:    f(x) = x³ + 7x² - 5x - 35

Step-by-step explanation:

[tex]f(x)=(x-\sqrt5)(x+\sqrt5)(x+7)\\\\f(x)=(x^2+x\sqrt5-x\sqrt5-(\sqrt5)^2)(x+7)\\\\f(x)=(x^2-5)(x+7)\\\\f(x)=x^3+7x^2-5x-35[/tex]

Answer:

C. f(x) = x³ + 7x² - 5x - 35

Step-by-step explanation:

Given zeros of cubic function:

√5, -√5 and -7

The cubic function has standard form:

f(x) = ax³ + bx² + cx + d

Without multiplying lets find the value of a, b, c and d:

a = 1 as all the answer options

Sum of the roots

-b/a = √5 - √5 - 7 = -7, so b = 7

Sum of the products of the roots (taken two at a time)

c/a = √5*(-√5) + √5*(-7) + (-√5)(-7) = - 5, so c = -5

Product of the roots

- d/a = √5*(-√5)*(-7) = 35, so d = -35

So the cubic function is:

f(x) = x³ + 7x² - 5x - 35

Correct option is C

Urgent please help..

Answers

Answer:The answer is 12.8

Step-by-step explanation:

8 and 10 are the side lengths so you would put that check mark thingy and then under it you put 8 squared and 10 squared and then you add it up. If you have the side length and the right length (which is the x) you would subtract because the right length is the longest.

Solve each equation.
1/3a = -5 a = ?
12 - b = 12.5 b = ?
-0.1 = -10c c = ?

Answers

Answer:

a = -15, b = -.5, c = -1

Step-by-step explanation:

1/3a = -5 --> multiply each side with 3 --> a = -15

12 - b = 12.5 --> subtract 12 from both sides --> -b = .5 --> multiply each side with -1 to get b positive --> b = -.5

.1 = -10c --> multiply each side with -10 --> c = -1

PLeassssse HELPPPP!!!

Answers

Answer:

B i believe is the answer

Step-by-step explanation:

PLEASE HELP FAST!!
1. Find x. Show your work.​

Answers

Answer:

X is right there

Step-by-step explanation:

See?

which equation represents the line that passes through the points (3,4) and (1,-2)

Answers

Answer:

y = 3x - 5

Step-by-step explanation:

First, you find the slope by finding the change in y and dividing that by the change in x of the two points.

-2 - 4 = -6, so -6 is the change in y.

1 - 3 = -2, so -2 is the change in x.

Then, since slope is change in y divided by change in x, you have -6/-2 = 3.

So far your equation is y = 3x + b and you're trying to find b to finish the equation.

To do this, you can pick one of the points and substitute the x and y values into the equation to find what value of b makes it true. Using (1, -2) we have

y = 3x + b --> -2 = 3(1) +b

-2 = 3 + b

b = -5

That means your equation is y = 3x  - 5

How to solve this
3 = (2x + 8)/3​

Answers

Answer:

x = 1/2

Step-by-step explanation:

First you want to get rid of the fraction, so you can multiply both sides of the equation by 3.

9 = 2x + 8

Then, subtract 8 from both sides to get x by itself.

1 = 2x

Finally, divide both sides by 2 so you only have one x

1/2 = x

This means that the answer is x = 1/2.

Answer:

x=1/2 or 0.5

Step-by-step explanation:

(2x+8)/3=3

(2x+8)=3x3

(2x+8)=9

2x=9-8

2x=1

x=1/2

x=0.5

What is the interquartile range for this data?

120, 140, 160, 180, 200, 220, 240

Answers

Step-by-step explanation:

The data is already in ascending order.

The lower half of the data (120, 140, 160)

has the median 140.

180 is the median of the entire data.

The upper half of the data (200, 220, 240)

has the median 220.

Interquartile Range = 220 - 140 = 80.

3+(-4)-6 =
Please simplify and show work

Answers

Answer:

-7

Step-by-step explanation:

3-4-6=7 then put the -

Answer:

-7

Step-by-step explanation:

3 − 4 − 6

= − 1 − 6

= −7

The 2020 senior class from a high school raised funds for an end of the year prom at Club Dance. It costs $4,000 to rent out Club Dance plus $20 per student for food and drinks.

Write an equation for the number of students could attend if the senior class raised 11,000 dollars.

Answers

Answer:

4000 + 20x = 11,000

Step-by-step explanation:

4000 + 20x = 11,000

20x = 7,000 (subtract 4,000 from 11,000)

7,000/2 = 3500

Answer:

35000

Step-by-step explanation:

1111=1323+33+ 1.666

PLEASE HELP ME WITH THIS QUESTION AND PROVIDE AN EXPLANATION PLEASE

FIND A UNIT RATE!!!!

Answers

Answer:

No

Step-by-step explanation:

No, it is not because the 3 dollars is a steady price. A expression will look like 7n+3. Since the 3 dollars is a steady price you can never have a unit rate.

Answer:

It's proportional

Step-by-step explanation:

10-3=7  7/1 = 7

17 - 3= 14 1 4/2 = 7

31 - 3 = 28 28/4 = 7

38 -3 = 35 35/5 = 7

73 - 3 = 70 70/10 = 7

A soccer team scores an average of 11 goals per season. A double number line is drawn to figure out the average
number of goals the team scores in 6 seasons. Which of the following statements is true about the diagram?
Both number lines increase by 6.
One number line increases by 11, and the other increases by 6.
One number line increases by 1, and the other increases by 6.
One number line increases by 11, and the other increases by 1.

Answers

Answer:

it c

Step-by-step explanation:

Answer:

One number line increases by 1, and the other increases by 6

Step-by-step explanation:

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