Are the fractions 1/4 and 3/12 common denominators?

Answers

Answer 1

Answer:

Answer:

Step-by-step explanation:

Common denominators are the same number. Since 1/4 has a denominator of 4 and 3/12 has a denominator of 12 they are not the same, and therefore are not common denominators.

Answer 2

Answer:

Answer:

Step-by-step explanation:

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WEDNESDAY: Use the quadratic formula to solve the following: 3x^2 - 6x-12 = 0*a. 3.236 or -1.236
b. -3.236 or 1.236
c. 04 or 9
d. 2.487 or -5.859
e. None of these

Answers

Answer:

a.) 3.236 or -1.236

Step-by-step explanation:

Used an online calculator for this answer...

Using the Quadratic Formula where

$x = ( -b \pm √(b^2 - 4ac))/( 2a )\nx = ( -(-6) \pm √((-6)^2 - 4(3)(-12)))/( 2(3) )\nx = ( 6 \pm √(36 - -144))/( 6 )\nx = ( 6 \pm √(180))/( 6 )$

The discriminant b^2−4ac > 0

so, there are two real roots.

Simplify the radical...

$x = ( 6 \pm 6√(5)\, )/( 6 )\nx = ( 6 )/( 6 ) \pm (6√(5)\, )/( 6 )\nx = 1 \pm √(5)\,$

This simplifies to...

$x = 3.23607\nx = -1.23607$

If you have 16×18, and you double it and then halve it, what do you get? a) 16×9 b) 18×9 c) 8×9 d) 9×8

Answers

Answer:

none of the answers

Step-by-step explanation:

16x8=128 and if you double it and half it, it would still be 128. none of the answer choices equal 128.

*15 points* any help would be appreciated

Answers

Answer:

Step-by-step explanation:

this is what i think it might not be right but i tried my best ;3

can i please have brainly

Answer:

1, 4, 6 those are correct

Step-by-step explanation:

Mrs. Chen owns two pieces of property. The areas of the properties are 77,120 square feet and 33,500 square feet. 43,560= 1 acre
Find the total number of acres Mrs. Chen owns, to the nearest hundredth of an acre and please explain how to do it.

Answers

First add the two areas of the properties together.
77120 + 33500 = 412120 square feet
Divide this number by 43560 to get the number of acres.
412120/43560 = 9.46

Answer: 9.46 acres

Okay so there are two pieces of property Mrs. Chen owns, so in order to find the total number of feet, add 77,120 and 33,500.
77,120 + 33,500= 110,620
1 acre= 43,560
To find the total number of acres now, you divide 110,620 ÷ 43,560
and that equals about 2.54. (Since you asked for the nearest hundredth of an acre)
If I'm wrong, please forgive me.
I notice that you are in high school and I am in middle school, so if I am wrong, I am so sorry. But if I'm correct, I hope this helped!
- Alina (:

What number is added to 0.035 to obtain 4.036?

Answers

0.035 + x = 4.036
get x on its own
x = 4.036 - 0.035 = 4.001
so 4.001 is added

I have no idea how to find the values of x and y in that diagram. Can someone help?

Answers

Answer:

Multiple choice?

Step-by-step explanation:

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X and y intercepts of -3x+4y=-36

Write an expression that represents "the product of a number and 12".