Mathematics High School

9y-7=29
Prove y=4
Solve the problem

Answers

Answer 1

9y - 7 = 29

=> 9y = 29 + 7 [Transferring 7 to R.H.S.]

=> 9y = 36

=> y = 36/9 [Transferring 9 to R.H.S.]

=> y = 4

Hence proved.

Answer 2

Answer:

Here

Step-by-step explanation:

Related Questions

how do I Write an equation for the proportional relationship for the question about apples and pizza proportionality???

Answers

Answer:

Step-by-step explanation:

Answer:

hahahjaje shjjw wjwjwjwijwv whwhjwjqbqnqkqiqiqjqbwbwbwbwjjwbwbw

(-3,-2). (9. -15)
Slope

Answers

answer:

-13/12

Step-by-step explanation:

use the formula to find slope using points

it is: y2-y1/x2-x1

plug in point values into formula

-3 = x1. 9 = x2

-2= y1. -15 = y2

-15-(-2)/ 9-(-3)

-13/12

Answer:

m= -13/12

Explanation:

formula to solve: x1-y1

x2-y2

please help i wasn’t taught this

Answers

Answer:

Step-by-step explanation:

Ash is 4 years younger than Gary, and Oak is 5 times Gary's age. The sum of their three ages is 94. Find Gary's age. Show working out. Thanks!!

Answers

Answer:

Step-by-step explanation:

If Gary's age is 14 then

Ash is 4 years younger = 14 - 4 = 10

And Oak is 5 times Gary's age = 14 x 5 = 70

So total ages = 70 + 14 + 10 = 94

Given that
a
= 13.2 m and
b
= 9.6 m, work out
x
.
Give your answer rounded to 1 DP.

The diagram is not drawn accurately.

Answers

which diagram ? i cant see any

i need help

56 = -10 + 2x

Answers

56=-10+2x
Move the variable towards the left side and transition it’s sign in this problem
-2x+56=-10
Move the constant heading towards the right side and proceed to put a transition within it’s sign
-2x=-10-56
Now that you have that installed, you must calculate the difference here
-2x=-66
Now you divide -2 in both sides that has taken place in
x=33, therefore x=33 in 56=-10+2x

To check you can do 56=-10+2(33) and it will give you the right answer

Answer: x= 33

i subtracted -10 away from 56 and i got 66, then i divide 66 by 2x and got 33x.. which is your answer ;)

Helpp!!! Only three multiple choice questions!!!!!!^^^^^

Answers

Answer:

[tex]2i \sqrt{10} [/tex]

[tex] \sqrt{−1} [/tex]

3) 12i

Step-by-step explanation:

Hope it works out!

A jar is filled with buttons of various colors. If the jar has a total of 200 buttons and 70% are green, how many green buttons are there?

Answers

Answer:

140 green buttons

A combination lock has 7 digits. How many distinct combinations does this lock have if the numbers used have to be 0 through 5

Answers

Answer:

279,936

Step-by-step explanation:

Since there are 6 options for every digit, and seven digits

So,

6^7=279,936

The total number of distinct combinations for making 7 digits lock is 2,79,936.

What is permutation?

A permutation is a mathematical technique that determines the number of possible arrangements in a set when the order of the arrangements matters.

Formula for permutation with repetition:

[tex]nP_{r} =n^{r}[/tex]

Where,

P is the total number of combinations.

n is the total number of items in a set

r is the total number of items to be selected from the set

According to the given question.

We have to form a lock that has 7 digits by using numbers from 0 to 5.

⇒ Total numbers of items in a set = 6

and total number of items to be selected = 7

Since, we have to form a lock of 7digits but we have only 6 digits. So we have to repeat this numbers so that we can form a 7 digit lock.

Therefore, the total number of combinations for making 7 digits lock is given by

[tex]6P_{7} = 6^{7}[/tex]

⇒[tex]6^{7}=2,79,936[/tex]

Hence, the total number of distinct combinations for making 7 digits lock is 2,79,936.

Find out more information about combination and permutation here:

https://brainly.com/question/13387529

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A balloon holds 5.2 cubic feet of air. The balloon is blown up larger to hold 8.3 cubic feet of air. What is the percent
of change for the volume of air inside the balloon?

Answers

Answer:

8.3+5.2

Step-by-step explanation:

SOMEONE HELP ME!!!! YOU GET LOTS OF POINTS!!!

Answers

Answer:

Step-by-step explanation:

the rate of change can be found by using different quotient formula.

The rate of change is 3

lf F-'(x) is the inverse of F(x), which statements must be true?

Answers

It would be true because fx matches with f-x

Karl makes a scale drawing for a crate with a scale factor
of 1:12. The dimensions his scale drawing are 10 inches
long by 8 inches wide. The builder creates a scale drawing
of the crate with a scale factor of 1:3.
What are the dimensions of the builder's scale drawing?
O A. The length is 2.5 inches and the width is 2 inches.
B. The length is 2 inches and the width is 2.5 inches.
C. The length is 40 inches and the width is 32 inches.
D. The length is 32 inches and the width is 40 inches.

Answers

D. The length is 32 inches and the width is 40 inches

Answer:

C. The length is 40 inches and the width is 32 inches.Step-by-step explanation:

a bat and a baseball costs $1.10. the bat costs $1 more than the ball. how much does the ball cost?

Answers

Answer: 0.10

Step-by-step explanation:

because u said that the bat was 1.00 more than the ball so the ball would be 0.10

What is the remainder when 12 345 x 54 321 is divided by 9?
1
2
3

Answers

I think 3 or 2 if this is not right am sorry ;-;

If the ordered pairs below vary directly, find the missing value

1. (2,-6) and (5,y)

Answers

Answer:

Step-by-step explanation:

I think

2,-6

5,y

so we add 3 to the 2 to make it to a 5

so i think we add the 3 to the -6 to make it to a -3

so i think the answer is -3

Pls helpppppppp
Sbhdcehebjshshwa on sd

Answers

Answer:

Step-by-step explanation:

Answer:

It's A

Step-by-step explanation:

It's in the middle of 0 and 1 (-1/2) on the x axis and for it to be in the middle of the two points the mid point stays on the x axis thus the y value (the value that goes up and down) is 0.

Find x
7x + 6
A) 8
C) -10
B) -5
D) -7

Answers

Answer:

Step-by-step explanation:

7x+6+72+46=180

7x=56

x=8

A histogram titled Number of texts has time on the x-axis and texts on the y-axis. From 6 a m to 8 a m there were 15 texts, 8 to10 a m: 5, 10 a m to 12 p m: 0, 12 p m to 2 p m: 0, 2 p m to 4 p m: 0, 4 to 6 p m: 29, 6 to 8 p m: 19, 8 to 9 p m, 14, 10 p m to 12 a m: 5.
Which statements are true given the histogram? Check all that apply.
The histogram is symmetrical.
The histogram is evenly distributed.
The cluster from 4 p.m.–10 p.m. means that most of the texts were sent in the afternoon and evening.
More texts were sent from 6 p.m.–8 p.m. than from 8 p.m.–10 p.m.
The peak from 4 p.m.–6 p.m. means that the highest number of texts was sent during this interval.

Answers

Answer:

The cluster from 4 p.m.–10 p.m. means that most of the texts were sent in the afternoon and evening.

More texts were sent from 6 p.m.–8 p.m. than from 8 p.m.–10 p.m.

Step-by-step explanation:

From 6 a m to 8 a m there were 15 texts,

8 to10 a m: 5, 10 a m to 12 p m: 0,

12 p m to 2 p m: 0,

2 p m to 4 p m: 0,

4 to 6 p m: 29,

6 to 8 p m: 19,

8 to 9 p m, 14,

10 p m to 12 a m: 5.

Answer:

The cluster from 4 p.m.–10 p.m. means that most of the texts were sent in the afternoon and evening.

The peak from 4 p.m.–6 p.m. means that the highest number of texts was sent during this interval.

Step-by-step explanation:

IM DORA

Peter buys a comic for $4. There was a discount of 20%. What is the sale price?

Answers

Answer:

4$ x .8= 3.2. 3.2$ is paid

Step-by-step explanation:

Answer:

$3.20

Step-by-step explanation:

Vivian has a 550 page book on folk tales . If she reads 9 pages everyday before falling asleep . how many days will it take her to finish the book

Answers

Answer:

62 days

Step-by-step explanation:

Given that she reads 9 pages everyday before falling asleep. Then, on day one, she would read 9m pages.

On day 2, she would read another 9 pages, making 18 pages after 2 days. If she will finish the book in x days then

x = 550/9

=61 1/9 days

Converting the 1/9 into a day then, she will finish the book in 62 days, reading just a page on the 62nd day.

I'm confused on this, so please help for 10 points.

Answers

Answer:

third one

Step-by-step explanation:

Answer: it would be the third option, (2/5)^4

Step-by-step explanation:

sure thing! so, when all of those fractions in parenthesis, it means they are all going to be multiplied. and, this gets easy! that third option means that all of them are getting multiplied 4 times, which is exactly what the original problem means. hope this helps!

How do I Factor 42p⁴+9p³q²-18p²q²

Answers

Answer:

42p^4 + 9p^3q^2 -18p^2q^2 = p^2 (42p^2 + 9pq^2 - 18q^2)

Step-by-step explanation:

To answer this, we simply look for that term that is common to all

Looking at the given expression, we can see that the term we are looking for is p^2

Thus, we have that;

42p^4 + 9p^3q^2 -18p^2q^2 = p^2 (42p^2 + 9pq^2 - 18q^2)

When we multiply the term outside the bracket with each of the terms inside, we get back the original term

WILL GIVE BRAINLIEST!!!!!
A bacteria grows exponentially so that it doubles every 12 days. There are 500 bacteria initially. Write a function that models the number of bacteria after t days.

Note is is NOT doubling every day! Careful.

Find the number of bacteria after 60 days.

Answers

Answer:

16000 bacteria after 60 days

Step-by-step explanation:

60 divided by 12 = 5

500 x 2= 1000

1000 x 2 = 2000

2000 x 2 = 4000

4000 x 2 = 8000

8000 x 2 = 16000

The function is, f(x) = 2x/12*t

And, the number is 16000 bacteria after 60 days.

What is function?

Function, in mathematics, an expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable.

here, given that,

A bacteria grows exponentially so that it doubles every 12 days

let, initially the number of bacteria = x

after 12 days = 2x

i.e. after t days = 2x/12*t

So, the function is, f(x) = 2x/12*t

Now, we have,

60 divided by 12 = 5

So, the number of bacteria will be,

500 x 2= 1000

1000 x 2 = 2000

2000 x 2 = 4000

4000 x 2 = 8000

8000 x 2 = 16000

Hence, the number of bacteria after 60 days is 16000.

To learn more on function click:

brainly.com/question/21145944

#SPJ2

what is the solution of k=3.5??
the answers it gives me is
4k=14.5
3+k=3.8
7k=24.5
6.5+k=10.5

Answers

I’m pretty sure the answer you are looking for is k=24.5

The expression 3(x-9) is equivalent to
03(x)+9.
O 3(x)+3(9).
o 3(x) – 9.
3(x) – 3(9).

Answers

Answer:

3(x)-3(9)

Step-by-step explanation:

The brackets means you times everything within the brackets with everything outside it. So it would be 3 times x take away 3 times 9

PLEASE AM TIMED STEP BY STEP

Answers

Answer:

Here you go :)

Step-by-step explanation:

On the evening news, the weatherman said their was a 60% chance of rain. Which
value is equivalent to 60%?

Answers

Answer:

0.6 is equivalent

Answer:

60/100=6/10=4/5

0.6

Step-by-step explanation:

these are all equivalent

I need help!!! I’ll mark you brainliest
This is timed!!

Answers

Answer:

Using the inverse composition rule you know that if (fog)=x and (gof)=x then the functions are inverses.

( g o f ) = ( 7 x + 1 ) − 1 7 this will result in (gof)=x ( f o g) = 7 x − 1 7 +1 = x − 1 + 1 =x

graphically you can check this if it seems that the functions are reflected over the line x=y.

Step-by-step explanation:

HELP ASAP PLS!!! 30 POINTS AND BRAINLEST IF UR RIGHT
ANSWER ALL FOUR TO GET BRAINLEST!!!!!!

Answers

Answer:

C,D,A,A

Step-by-step explanation:

Answer:

1. B

2. B

3. C

4. B

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9y-7=29 Prove y=4 Solve the problem

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9y-7=29
Prove y=4
Solve the problem