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liubo4ka [24]
3 years ago
5

Taj had 15 books. He gave some of the books to his friends.

Mathematics
2 answers:
Bess [88]3 years ago
8 0
B - he gave away six books (you find this by subtracting 9 from 15 to find the amount of books that have been moved)
deff fn [24]3 years ago
7 0
The answer is B six books, hope this helps!
You might be interested in
© Solve for x<br>8 - 2x = -12​
IRISSAK [1]

Answer:

10

Step-by-step explanation:

8 - 2x = -12​

-2x=-12-8

-2x=-20

x= -20/-2

cut the minus from the numerator and denominator

x=20/2

x=10

hope u understood :)

3 0
3 years ago
When using the quadratic formula we call the part under that radical the discriminant this part of the formula can be used to he
blondinia [14]

Answer:

A, B, and C

Step-by-step explanation:

The discriminant is denoted by b^2 - 4ac, and it can give us information about the roots of the quadratic equation.

It tells us that if:

- b^2 - 4ac < 0 , then there are 0 real solutions; they're all imaginary (involving the letter i, which is the square root of -1)

- b^2 - 4ac = 0 , then there is 1 real solution; this 1 solution has a multiplicity of 2 because the roots of the quadratic are the same number

- b^2 - 4ac > 0 , then there are 2 real solutions; there are no imaginary solutions

Looking at the possible choices, we see that all of A (A, I'm assuming you meant to write "if the discriminant is zero there is one real solution"), B, and C reflect the above properties.

Thus, they're all right.

3 0
3 years ago
Read 2 more answers
Does (2, 8) make the equation y = 4x true?
guajiro [1.7K]

Answer:

Yes, it does.

Step-by-step explanation:

The equation y = 4x is the same as saying:

"The y coordinate is 4 times as much as the x coordinate"

So, with the coordinate set of (2, 8):

y = 4x

8 = 4 * 2

This is correct, meaning the coordinate does fit the equation.

Hope this helps!

6 0
2 years ago
Read 2 more answers
The answer would be 7/8 right?
trasher [3.6K]
Yes, it would be what you have written
6 0
3 years ago
Maggie buys 5 apples and 4 oranges for $10 and Lynn buys 5 apples and 5 oranges for $11. What is the price for an apple and what
nlexa [21]
Make 2 eqn, let a be apples and o be oranges:

1. 5a + 4o = 10
2. 5a + 5o = 11

set up an elimination:
1. minus 2.
5a + 4o = 10
- 5a + 5o = 11
____________
o = 1

sub “o” into one of the eqn

5a + 5(1) = 11
5a = 11-5
5a = 6
a = 6/5
a = 1.2

therefore, an orange costs $1.00 and an apple costs $1.20

6 0
3 years ago
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