MATHEMATICS MIDDLE SCHOOL

Can you help me with this one ? Factor 2x2 + 7x + 3.
A.(2x + 1)(x + 3)
B.(2x + 3)(x + 1)
C.(2x + 5)(x + 1)
D.The polynomial is prime.

Answers

Answer 1
Answer: (2x + 1)(x + 3) = 2x^2 + 6x + x + 3 = 2x^2 + 7x + 3    A.
Answer 2
Answer: 2x2 +7x +3
= 4+7x+3
= 7x +11

therefore, the polynomial is prime

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Sammy picks blueberries and cherry tomatoes. • She earns $3.00 for each pint of blueberries and $2.00 for every pint of cherry tomatoes she picks. • Sammy earned a total of $28.00. • She picked twice as many pints of tomatoes as blueberries. How many pints of blueberries did Sammy pick?
Just 2 questions I need help on !! Picture below

What is the sum of 3 1/10 and 1 3/4 . please help me with this .

Answers

the sum is 4 and 17/20.
first, you have to create a common denominator. the least common multiple of 4 and 10 is 20, so I used that.
since 10 is multiplied by 2 to achieve, twenty, we also multiply 1 by 2, which makes 3 and 2/10
4 on the other hand, is multiplied by 5 to achieve 20, so we multiply 3 by 5 also, which is 15.
from there, we have 3 2/20 + 1 15/20, which equals 4 17/20.
The sum or 3 1/10 and 1 3/4 is 5.
Hope this helped you!

Justin bought 6 ribbons for an art project. Each ribbon is 1/4 yard long. How many yards of ribbon did Justin buy?

Answers

To answer this question, Justin has bought 3/2 yards of the ribbon.
There are two ways you could answer this question. You could add it or subtract it. First, I will teach you the way of adding to get your answer. So, from this sentence, Justin has bought 6 ribbon and each was 1/4 yards long. You could add it by doing 1/4+1/4+1/4+1/4+1/4+1/4. This would give you 6/4, which would be 3/2 yards(simplified). (This could also be 1.5 yards..)
The second way was multiplying. It would look like this: 1/4 times 6. (Now, 6, could be represent as 6/1) Now you do 1 time 6 for your numerator and 1 times 4, which would be your denominator. This would also give you 6/4 or 3/2 (simplified) Hope this works!! :)
6 ribbons
1/4 yard long each
4 yards = 4 ribbons
4/4 yards
A: 6/4 yd

The sum of two consecutive odd numbers is 156. Write an equation to determine the value of each number. Equation ________________________________. Solve the equation to determine the value of the larger of two numbers. Show your work. Answer ___________________.

Answers

The key is: two consecutive odd numbers. 
Let's set the lower consecutive odd number as x.
That means the next odd number is x+2.
These two numbers must add up to 156.
x+x+2=156
2x+2=156
2x=154
x=77
Hope this helps :)
so consecutive odd number are 2 apart exg
odd number+2=odd number
1+2=3
so
x+x+2=156
subtract 2 from both sides
2x=154
divide by 2
x=77
x+2=79

the numbers are
77 and 79

If BC=6x+4 AC=52 and AB=4x+8 find BC

Answers

x=4, BC=28, AB=24, AC=53

Answer:

BC=28

Step-by-step explanation:

khan academy :D

In an election, about 500,000 people voted in all. What could be the exact number of people who voted in the election?

Answers

It could be anywhere from 450,000 to 499,999

Which point is located at (2, 3)?
1 A
2 B
3 C
4 D

Answers

Hi abycflo! Please read the following :)

We know that the first coordinate location given should always be on the x-axis.

The x-axis is the line you can see that is going horizontal or sideways.

So we know that we have to line up 2 on the x-axis and we immediately know its going to be either B or C.

The y-axis is the line going up or vertically. So on the 3 for the y-axis, we found out that our answer is

C, given from the following coordinates given we can affirmatively say its C.

P.S

Have an Amazing day abycflo! I Hope this Helps and Good Luck!

~Faker/Tosrel
Answer:point (2,3) is located at point C
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