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3 years ago

Tommy posts 11 pictures on Instagram every day. Elizabeth posts 15 pictures on Instagram every day.

Mathematics

2 answers:

Leviafan [203]3 years ago

8 0

Where’s is the question bruv?

Gennadij [26K]3 years ago

6 0

Answer:

Step-by-step explanation:

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The sum of a number, n, and 8 is multiplied by -4, and the result is 12. What is the number?

Finger [1]

Answer: -11

Step-by-step explanation:

(n+8)* -4= 12

-8 -8

n* -4= 12

/-4 /-4

n= -11

3 0

3 years ago

The admission to the fair is $5 and the cost per ride is 50 cents. If his parents give hime $20, write and solve a linear equati

solniwko [45]

Answer:

Step-by-step explanation:

The admission to the fair is $5 and the cost per ride is 50 cents.

Let the number of rides that he can go on be x

If one ride costs 50 cents, x rides will cost 50×x = 50x cents. Converting 50 cents to dollar, it becomes 50/100 = $0.5.

So x rides will cost $0.5x

If his parents gave him $20, he will pay $5 to be admitted into the fair. He would be left with 20- 5 = $15

The equation to find how many rides he can go on will be

0.5x = 15

Since one ride costs $0.5

x rides cost $15

x = 15/0.5 = 30

He can go on 30 rides

8 0

3 years ago

12x - 24 + 3x = 1/3x + 4 + 10x plz no link or spam (i will report you)

Sphinxa [80]

Answer:

x=6

15x - 24 = 1/3x + 4 + 10x

45x - 72 = x + 12 + 30x

45x - 72 = 31x + 12

45x - 31x = 12 + 72

14x = 84

x = 6

3 0

2 years ago

What number needs to be added to 5 and 3 so that the ratio of the first number to the second

Mashcka [7]

Answer:

Step-by-step explanation:

Choose a variable to represent the number to be added to 5 and 3.

$\frac{5+x}{3+x}=\frac{4}{3}$

"Cross-multiply."

$3(5+x)=4(3+x)\\\\15+3x=12+4x\\\\15=12+x\\\\3=x$

Check: The ratio of 5+3 to 3 + 3 is 8:6, equal to the ratio 4:3.

5 0

2 years ago

Brooke saved the same amount of money each week for four weeks. She made this table to show how much money she saved.

Musya8 [376]

Answer:

In 10 weeks of time, Brooke would earn $ 20.

Step-by-step explanation:

Here, according to the table:

The money saved in week 1 = $ 2 = $(1 x 2)

The money saved in week 2 = $ 4 = $ ( 2 x 2)

The money saved in week 3 = $ 6 = $ ( 3 x 2)

The money saved in week 4 = $ 8 = $ ( 4 x 2)

So, by the graph relation, we can see that:

The amount saved in n weeks = ( n x 2) dollars

So, the amount saved by Brooke in 10 weeks is:

Put n = 10, we get:

The money saved = 2 n = 2 x 10 = $ 20

Hence, in 10 weeks of time, Brooke would earn $ 20.

5 0

3 years ago