Mathematics High School

Help pls
10 - 3x = 22

Answers

Answer 1

Answer:

its 7

Step-by-step explanation:

Answer 2

x=-4 because you subtract the 10 from 22 then divide -3 from 12

Related Questions

What is the next step in solving the equation 10x+5 = -4x+47 for x after we have combined x variables to one side of the equation?

a. Once x variables have been combined we need to combine non-x variables by moving them to the other side of the equal sign.

b. Once x variables have been combined we need to divide the remaining numbers by our new x variable from combining it in step 1.

c. Since we have combined the x variables together we have completed the necessary steps to solve the equation and have the answer.

d. The problem cannot be solved for x.

Answers

Answer: A) Once x variables have been combined we need to combine non-x variables by moving them to the other side of the equal sign

What’s 5x+4y-2x-y simplified

Answers

Answer:

Step-by-step explanation:

Solving like terms

3x + 3y

Both have 3 in common so

3(x + y)

please answer this for me x+y=y +x

Answers

Answer:

Hi there!

That is an example of the commutative property of addition! It states that changing the order of addends does not change the sum.

Hope this helps

-1.25(2.5)
what is the answer to this i need help really bad it’s for a test

Answers

Answer: -3.125

Step-by-step explanation: -1.25 x 2.5 = -3.125.

how long will it take a ball to roll 10 meters along the floor at a velocity of 0.5 m/s

Please helppp

Answers

I believe it’s 20 seconds

Answer:
20 seconds.

Explanation:
The following data were obtained from the question:
Distance = 10 m
Speed = 0.5 m/s
Time =...?

The speed of an object is simply defined as the distance travelled by the object per unit time. Mathematically, it is expressed as:

Speed = Distance /time

With the above formula, we can obtain the time taken for the ball to travel a distance of 10 m as shown below:
Distance = 10 m
Speed = 0.5 m/s
Time =...?

Speed = Distance /time
0.5 = 10/time
Cross multiply
0.5 × time = 10
Divide both side by 0.5
Time = 10/0.5
Time = 20 secs.

Therefore, it will take 20 seconds for the ball to travel a distance of 10 m.

Which can be represented by the expression 14 – 3(a + 7)?

Answers

Answer:

Simplifed is -3a-7

Step-by-step explanation:

14 – 3(a + 7)

Solve it out-

[tex]-3(a+7)+14\\-3(a) -3(7) \\-3a-21+14\\\\=-3a-7[/tex]

An lift holds no more than 1200 pounds if you are rolling a cart that weighs 760 pounds how much more can the elevator hold?

Answers

Answer: 440

1200 - 760 = 440

Answer: 440 pounds

Step-by-step explanation:

An object is about 5 times the distance Earth is from the Sun. Earth is about miles from the Sun. About how far is the object from the Sun?

Answers

4 times the distance of the earth from sun is the distance between the object and the sun

Answer:

5(miles from the sun)=how far an object is. 92.831 million mi is the distance from earth to the sun. You multiply this by 5 and you should get your answer

Step-by-step explanation:

!!!!!!!!!!!!!!!!!!!!!

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I just wrote the answers on the picture

Which one of thses is a function cuz IONO!!!

Answers

The answer is D. because you cannot have the same number in your input section more than once

I NEED HELP PLEASE HELP ME IF YOU CAN

Answers

Answer:

IF=HF

Step-by-step explanation:

If you look at them they are equidistant

Answer:

IF=HF

Step-by-step explanation:

The Chang family is on their way home from a cross-country road trip. During the trip, the function D(t) = 2,280 – 60t can be used to represent their distance, in miles, from home after t hours of driving.
What is the value of D(15)?

Answers

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[tex]D(t) = 2280 - 60t[/tex]

[tex]D(15) = 2280 - 60(15)[/tex]

[tex]D(15) = 2280 - 800[/tex]

[tex]D(15) = 1480[/tex]

♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️♥️

Answer:

1380

Step-by-step explanation:

d(t)=2280-60t

d(15)=2280-60(15)

2280-900

=1380

Solve for X
X/2≥−4

A. x≥−8
B.x≤−2
C.x≤−8
D.x≥−2

Answers

It’s A, because you have to multiply both sides by 2 to isolate the variable x.

On a horizontal number line, -7 is located to the right of -10.

Answers

Yes its would go -10,-9,-8,-7,-6 (i hope that makes sense)

PLEASE HELP! :)

A restaurant owner was experimenting with the taste of her homestyle lemon
drink. She started with 60 litres of water. She removed 15 litres of the water and
replaced it with 15 litres of pure lemon juice.
After thoroughly stirring the new mixture, she discovered that it was too
“lemony”. So she removed 10 litres of the new mixture and replaced it with 10
litres of water. She thoroughly stirred the mixture and concluded that the new
mixture was just right.
Determine the ratio of pure lemon juice to water in the final 60 litre mixture.

Answers

Answer:

Lemon juice / water = 12,5 / 47,5 or 26,31 %

Step-by-step explanation:

First step:

We got 60 liters. of water and we replace 15 liters. of water and add 15 liters of lemon juice, then our mixture is:

60 lts. of mixture ⇒ with 45 lts. is water and 15 lts. is lemon juice

The proportion of the mixture

each liter of the mixture is 0,75 lts. of water and 0,25 of lemon juice

2 step

Removing 10 lts. of mixture implies

10 lts of mixture means 7,5 lts. of water and 2,5 lts. of lemon juice

then we have

50 lts. of mixture with (45 - 7,5 = 37,5 lts.) of water and (15 - 2,5 = 12,5 ) lts. of lemon juice

third step

Addind 10 lts. of water:

60 lts. of mixture with ( 37,5 + 10 = 47,5) lts. of water and 12,5 lts. of lemon juice

Final mixture is

60 lts. of mixture with 47,5 lts. of water and 12,5 lts. of lemon juice

Proportion

Lemon juice / water = 12,5 / 47,5 or 26,32 %

PLS HELP .................

Answers

Answer:

Step-by-step explanation:

B is the only choice that fails the vertical line test. A line basically touches 2 points on choice B. It can only touch 1.

What function equation is represented by the graph?

f(x)=−3x+6

f(x)=6x−3

f(x)=6x+2

f(x)=−3x+2

Answers

Answer:f(x)=-3x+6

Step-by-step explanation:

Answer:

A. f(x)=-3x+6

Step-by-step explanation:

Problem 2: The perimeter of the UNC Chapel Hill basketball court is 100 meters and the
length is 16 meters more than the width. What are the dimensions?

Answers

Given parameters:

Perimeter of the court = 100m

Unknown:

Dimensions = ?

Solution:

let the width = w

Length is 16m more;

Length = w + 16

Perimeter = 2(L + w)

100 = 2 (w + 16 + w)

100 = 2(2w + 16)

100 = 4w + 32

4w = 100 -32

4w = 68

w = 17

So, length = w + 16 = 17 + 16 = 33m

The dimensions of the court are length 33m and width 17m

*10 points & it’s due soon*

What is the distance between the points (82) and (7, 6) ?
A 4.1
D 17
23
D) 289

Answers

Sooo just had the same question and the answer is 17

2/3r+4/3p-1/3p=
please helpppp

Answers

Answer:

2/3r + p

Step-by-step explanation:

2/3r + 4/3p - 1/3p

combine like terms, terms with like coefficients can be combined, terms that do not have like coefficients cannot be combined

coefficient- the variable that a number is multiplied by

2/3r + 4/3p - 1/3p

combine

2/3r + 3/3p

2/3r + p

The vertices of a figure are FC -9,- 9),G-3, -6),H(-3,-9). Find the coordinates of the image after a dilation with a scale factor of 2 3 and then a translation 6 units up.

Answers

Transformation involves changing the size and position of a figure.

The new coordinates of the figure is:

[tex]\mathbf{F" = (-6,0)}[/tex]

[tex]\mathbf{G" = (2,2)}[/tex]

[tex]\mathbf{H" = (-2,0)}[/tex]

The coordinates are given as:

[tex]\mathbf{F = (-9,-9)}[/tex]

[tex]\mathbf{G = (3,-6)}[/tex]

[tex]\mathbf{H = (-3,-9)}[/tex]

When the figure is dilated by 2/3, the new coordinates are:'

[tex]\mathbf{F' =\frac 23 \times (-9,-9) = (-6,-6)}[/tex]

[tex]\mathbf{G' =\frac 23 \times (3,-6) = (2,-4)}[/tex]

[tex]\mathbf{H' =\frac 23 \times (-3,-9) = (-2,-6)}[/tex]

When the figure is further translated up by 6 units, the new coordinates are:

[tex]\mathbf{F" = (-6,-6 + 6) = (-6,0)}[/tex]

[tex]\mathbf{G" = (2,-4 + 6) = (2,2)}[/tex]

[tex]\mathbf{H" = (-2,-6 + 6) = (-2,0)}[/tex]

Hence, the new coordinates are:

[tex]\mathbf{F" = (-6,0)}[/tex]

[tex]\mathbf{G" = (2,2)}[/tex]

[tex]\mathbf{H" = (-2,0)}[/tex]

Answers

Answer: It may be 14k - 4

Step-by-step explanation:

What is the slope of the line that passes through the points (0, –7) and (–4, 3)?

Answers

-5/2 is the slope of thosr points

If P(A) = 0.7 P(B) = 0.6 and A and B are independent event, find P(A and B)

Answers

Answer:

0.42

Step-by-step explanation:

multiply .6 by .7

answer asap will make brainliest

Tim is 3 years older than his sister. Five years ago the sum of their ages was
19. How old is Tim now?

please include equation

Answers

Answer:

Step-by-step explanation:

If Tim is 3 years older and five years ago, the sum of their ages is nineteen you need to find two addends that are 3 greater than each other.

So, 11+8 = 19

Five years ago Tim was 11 and his sister was 8.

add 5 to 11 = 16

Tim is 16 now

I don't know the equation though sorry

Hope this helps you :)

I don’t know how to solve it please help

Answers

Answer:

when x=0 then f(x) = -2

when x=1 then f(x) = 3

when x=2 then f(x) = 8

Step-by-step explanation:

you just plug in the x value given to you into the equation (which is 5x-2) so for example:

if x = 0 then:

5x-2 is instead 5(0)-2 which means you multiply 5 and 0 and then substract 2 because you have to follow PEMDAS

PEMDAS is (Parenthesis, Exponents, Multiplication, Division, Addition, Substraction) which is the order of priority to be solved, so you first solve parenthesis, then exponents, then you multiply or divide, and then you add or substract

easy way to remember PEMDAS: Please Excuse My Dear Aunt Sally, OR Please End My Depression And Suffering (my favorite way to remember, don't take that seriously tho >_>)

so because you have to multiply before subtracting you multiply 5 and 0, you get 0, and then you take away 2 which is -2

remember to just plug in your values and then do PEMDAS

hope you learned something :P

Solve 5x3 – 23x2 + 29x – 15 = 0.

Answers

Answer:

its b

Step-by-step explanation:

Answer:

{x = 3, x = 4/5 + i(3/5), x = 4/5 - i(3/5)}

So B

A culture of bacteria triples by the end of each hour, if there were initially 40 bacteria, how many bacteria should there be after 8 hours?

Answers

Answer:

262, 440

Step-by-step explanation:

40 x 3^8

40 x 6561

262, 440

Help answer this with steps!

Answers

Add 2m to -3m and get 1m
4>7 + 1m, solve for m
4-7= -3
m<-3 or -3>m

4-2m>7-3m
+3m +3m
4+1m>7
-4 -4
1m>3
/1m>/1
m>3

UPS charges $7 for the first pound, and $0.20 for each additional pound. FedEx charges $5 for the first pound and $0.30 for each additional pound.

How many pounds, p, will it take for UPS and FedEx to cost the same? What is the cost? Write and solve an equation to show your work.

Answers

Answer:19.5

Step-by-step explanation:

7+7=14

14+0.20=14.2

14.2+5=19.2

19.2+0.30=19.5

Your answer is:19.5

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Help pls 10 - 3x = 22

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Help pls
10 - 3x = 22