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Doss [256]
3 years ago
10

Eduardo sold half of his comic books and then bought seven more. He now has 20. With

Mathematics
2 answers:
LuckyWell [14K]3 years ago
7 0

Answer:

26

Step-by-step explanation:

26/2=13

13+7=20

vampirchik [111]3 years ago
6 0

Answer:

Hold on i got it

Step-by-step explanation:

You might be interested in
write an equation in slope intercept form for the line that passes through ( 4, -4) and is parallel to 3 + 4x = 2y - 9​
Kruka [31]

Answer:

y = 2x - 12

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Rearrange 3 + 4x = 2y - 9 into this form

add 9 to both sides

12 + 4x = 2y ( divide all terms by 2 )

6 + 2x = y ← in slope- intercept form

with slope m = 2

• Parallel lines have equal slopes, hence

y = 2x + c ← is the partial equation of the parallel line

To find c substitute (4, - 4) into the partial equation

- 4 =8 + c ⇒ c = - 4 - 8 = - 12

y = 2x - 12 ← equation of parallel line

4 0
4 years ago
Factor b3 +b2 + b + 1.
olga nikolaevna [1]

Answer:

(b+1)(b²+1)

Step-by-step explanation:

8 0
3 years ago
A retired couple has up to $50,000 to invest. As their financial adviser, you recommend that they place at least $35,000 in Trea
patriot [66]

Answer:

See Explanation

Step-by-step explanation:

According to the Question,

Given that, A retired couple has up to $50,000 to invest. As their financial adviser, you recommend that they place at least $35,000 in Treasury bills yielding 1% and at most $10,000 in corporate bonds yielding 3%.

Therefore,

Let, x be the amount of money invested in Treasury bills

y be the amount invested in corporate bonds

Thus, the system of equations of linear inequalities is

x + y ≤ 50000

x ≥ 35000

0 ≤ y ≤ 10000

For, the graph of the system of equations of linear inequalities describes the possible amounts of each investment.

(Please find in the attachment)

3 0
3 years ago
If x equals 12, find the value of x2​
eduard

Answer:

24

Step-by-step explanation:

12 * 2 = 24

7 0
4 years ago
Read 2 more answers
The water level in a lake was monitored and was noted to have changed −1 1/5 inches in one year. The next year it was noted to h
pychu [463]

Answer:

the answer is 5 1/9 inches per month (answer)

Step-by-step explanation:

4 0
3 years ago
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