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zhenek [66]
2 years ago
15

OI I NEED HELP PLOZ COME OVER HERE AND HELP ME

Mathematics
2 answers:
Tju [1.3M]2 years ago
8 0
If one green cross is one person then the answer is A, 2.
bija089 [108]2 years ago
6 0
The answer is C, let me know if i am correct!!
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8 out of 10 dentists prefer Crest toothpaste what is the ratio of dentist who dont prefer crest toothpaste than those who do?
Nata [24]

Answer:

1:4

Step-by-step explanation:

If 8/10 prefer Crest, that means 2/10 don't prefer it.

To find the ratio, put together the number that don't prefer it to the number that does:

2:8

Simplify by dividing each side by 2:

1:4

So, the ratio is 1:4

4 0
3 years ago
What is 2a + 3x + a + 5x =
lakkis [162]

Answer:

Step-by-step explanation:

2a+3x+a+5x combine like terms

3a+8x

5 0
2 years ago
Which diagram shows lines that must be parallel lines cut by a transversal? 2 horizontal lines are intersected by a third line.
ivanzaharov [21]

Answer:

  (A)  At the intersection of the first line with the third line, the bottom left angle is 115 degrees. At the intersection of the second line with the third line, the uppercase left angle is 65 degrees.

Step-by-step explanation:

Alternate interior angles are supplementary when parallel lines are crossed by a transversal. The first description seems to be describing alternate interior angles. (See attachment)

_____

<em>Comment on orientation</em>

If the transversal is oriented horizontally, then the descriptions of the angles will be of different angles than assumed here.

8 0
3 years ago
Read 2 more answers
Multiply the following polynomials
Sophie [7]

Answer  (2x + 7) • (x2 - 2)

Step-by-step explanation:

please give me brainlest!!

Step by step solution :

Step  1  :

Trying to factor as a Difference of Squares :

1.1      Factoring:  x2-2

Theory : A difference of two perfect squares,  A2 - B2  can be factored into  (A+B) • (A-B)

Proof :  (A+B) • (A-B) =

        A2 - AB + BA - B2 =

        A2 - AB + AB - B2 =

        A2 - B2

Note :  AB = BA is the commutative property of multiplication.

Note :  - AB + AB equals zero and is therefore eliminated from the expression.

Check : 2 is not a square !!

Ruling : Binomial can not be factored as the difference of two perfect squares.

Final result :

 (2x + 7) • (x2 - 2)

6 0
3 years ago
Read 2 more answers
12 ÷ 4 + (3 − 2) × 7
Andre45 [30]

Answer: step-by-step

Step-by-step explanation:

answer: 10

to solve you have to follow PEMDAS

3 0
2 years ago
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