Ask question

Ask question

All categories

3 years ago

10

A bag contains blue marbles and red marbles, 66 in total. The number of blue marbles is 9 less than 4 times the number of red ma

rbles. How many blue marbles are there?

2 answers:

Westkost [7]3 years ago

3 0

51 blue marbles is the answer

Sladkaya [172]3 years ago

3 0

X is the blue marbles and y is the red marbles.

You might be interested in

Insert 2 sets of parentheses to make each sentence true: 2 x 14 - 9 - 17 - 14 = 7

Mandarinka [93]

It’s most definitely C

6 0

3 years ago

Edward's school is 132 miles away from his home . He goes by car to school and back. The car consumed 4 gallons of gas taking hi

mixer [17]

Total distance is 132 miles x 2 times/day x 5 days = 1320 miles
That used 4 gallons of fuel, so 1320 miles/4 gallons = 330 miles per gallon

5 0

3 years ago

3x + 2 = x + 8 solve for x

laila [671]

3x+2=x+8
Slandered Form
2x-6=0
Factorizations
2(x-3)=0
Solutions
x=6/2=3 (6 divided by 2 = 3)

6 0

4 years ago

(8–9a)a=−40+(6–3a)(6+3a)

elena-14-01-66 [18.8K]

Answer:

a=-0.5

Step-by-step explanation:

Distributive property for left side, difference of squares for right side.

8a-9a^2=-40+36-9a^2

-9a^2 cancels out

8a=-4

a=-0.5

8 0

4 years ago

Read 2 more answers

Jordan works for a landscape company during his summer vacation. He is paid $12 per hour for mowing lawns and $14 per hour for p

vitfil [10]

Answer:

m+g $\leq$ 40

12m + 14g $\geq$ 250

Step-by-step explanation:

Jordan is paid $12 per hour for mowing lawns and $14 per hour for planting gardens.

Let m represents the number of hours mowing lawns and g represents the number of hours planting gardens.

He can work a maximum of 40 hours per week, and would like to earn at least $250 this week.

Then, the system of the inequality becomes

m+g $\leq$ 40

12m + 14g $\geq$ 250

8 0

3 years ago