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Sever21 [200]
4 years ago
13

If 5y + 3 = 2y + 9 then find 2y=

Mathematics
1 answer:
Serhud [2]4 years ago
5 0
If you were to solve for y, it would be 2. Therefore 2y would be 4.
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Can someone check my anserws pls
Kay [80]

Answer:

Which of the following are prime numbers: (3, 4, 5, 6, 7)

The answer is B  3, 5, 7

Which of the following are prime numbers: (21, 23, 25, 27, 29)

The answer is D  23, 29

Fill in the blanks: All_____ numbers are considered composite except for the number__.

The answer is B  even, 2

Which of the following are composite numbers: (31, 33, 35, 37, 39)

The answer is C  33, 35, 39

What is a composite number?

The answer is C  A number with more than two factors

What are the factors of 12?

The answer is A  1, 2, 3, 4, 6 & 12

Which of the following are composite numbers: (70, 71, 71, 73, 74)

The answer is B  71, 73

What would you consider the number 1?

The answer is D  neither

Step-by-step explanation:

A prime number has only two factors, no more no less.

A composite number has more than two factors.

The number 1 is neither because it doesn't have two factors to be a prime number, nor does it have more than two factors to be a composite number. It has only one factor.

I hope this helped.

7 0
3 years ago
I plan to sell lemonade. If I spend $15 on products and then plan on selling glasses for $2 each, how many glasses do I need to
Helga [31]
8 glasses in order to make money because if you sell each glass for $2 times that by 8 it’s $16
3 0
4 years ago
Use the x-intercept method to find all real solutions of the equation.<br> x^3-8x^2+9x+18=0
meriva

Answer:

a. x=-1,3,\:or\:6

Step-by-step explanation:

The given equation is;

x^3-8x^2+9x+18=0

To solve by the x-intercept method we need to graph the corresponding function using a graphing calculator or software.

The corresponding function is

f(x)=x^3-8x^2+9x+18

The solution to x^3-8x^2+9x+18=0 is where the graph touches the x-axis.

We can see from the graph  that; the x-intercepts are;

(-1,0),(3,0) and (6,0).

Therefore the real solutions are:

x=-1,3,\:or\:6

8 0
3 years ago
Read 2 more answers
If one yard of material cost 2.00 how much do 5 1/2 yards cost?
Vika [28.1K]

Answer:

$11

Step-by-step explanation:

5*2=10 (for 5 yards) plus  1.00 for the 1/2 yard

3 0
2 years ago
Read 2 more answers
I don’t understand stand this question someone please help me with work shown
djyliett [7]

Answer:

60°

please look into the solution down here.

Step-by-step explanation:

since BD bisects it, then the angles should be bisected symmetrically, or in other words, ANGLE ABD = angle DBC,

hence,

4x = 2x +30

2x = 30

x = 15

therefore, angle DBC = 2x + 30 = 2(15) + 30 = 60°.

4 0
3 years ago
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