what are the least common denominator of the four fractions listed below? 20 7\10 , 20 3\4 , 18 9\10 ,20 18\25. A:2. B: 40 C: 50 or D: 100?
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none of them have anything higher than a 2, so yeah
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20x what =100 please help now thanks
John says that the number Y is equal to five more than 15 times X which of the following equation could be used to find the value of Y
Answers
First, distribute the right side.
8*(x + 5) = 8x + 40
Then, we write the whole equation:
8x + 47 = 8x + 40
Looking at it, we can subtract 8x from both sides, so that we're left with:
47 = 40
However, we obviously know that 47 is NOT equal to 40, so there is no solution for this equation.
Answers
Answer:
Heather's model has greater area by 24 sq.ft.
Step-by-step explanation:
Given : Ellie's model represented 20 feet by 15 feet.
Heather's model represented 18 feet by 18 feet.
To Find: Whose floor model represents the greater area? How much greater?
Solution:
Length of Ellie's model = 20 feet
Width of Ellie's model = 15 feet
Area =
=
=
Length of Heather's model = 18 feet
Width of Heather's model = 18 feet
Area =
=
=
Thus Heather's model has greater area by (324-300)= 24 sq.ft.
b. How many 1/4 inches tiles would Colby need to cover the top the wooden the box?
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We need to find out how many gallons will fill the whole tank
we first write 3/4 into its decimal fraction. 3/4 = 0.75.
Now we form an equation
0.75 = 12
1 = x (where x is he number of gallons needed to fill whole tank)
Simplify the equation:
0.75 × x = 12 × 1
0.75x = 12
x = 12 / 0.75
x = 16
It will take 16 gallons to fill whole tank to capacity.
Half gallon bottles that can be filled from the tank are:16 x 2 = 32
So 32 half gallon bottles can be filled from the full tank.
Plis help me!!
Answers
Answer:
x = 4
Step-by-step explanation:
Given
- 8 - x = x - 4x, that is
- 8 - x = - 3x ( add 3x to both sides )
- 8 + 2x = 0 ( add 8 to both sides )
2x = 8 ( divide both sides by 2 )
x = 4
Answer:x=4
Step-by-step explanation:
-8-x=x-4x
-8=-4x+x+x
-8=-2x
divide both sides by -2
x=4
hope it helped
Answers
Hello from MrBillDoesMath!
Answer:
b2 = 5
Discussion:
A = 1/2 h (b1 + b2).
Substituting A = 16, h = 4, and b1=3 in the above formula gives:
16 = (1/2) (4)( 3 + b2) => (as (1/2)4 = 2) )
16 = 2 ( 3 + b2) => (divide both sides by 2)
8 = (3 + b2) => (subtract 3 from both sides)
8-3 = b2 =>
5 = b2
Check Area formula:
Does A = 16 = (1/2)(4)(3+5) ?
Does 16 = (1/2) (4)(8) ?
Does 16 = (1/2)(32) ? Yes it does so our calculation for b2 is correct
Thank you,
MrB
Final answer:
To solve for b2, substitute the given values (A = 16, h = 4, and b1 = 3) into the equation and solve for b2. The value of b2 is 5.
Explanation:
To solve for b2 in the equation A = 1/2 h (b1 + b2), where A = 16, h = 4, and b1 = 3, we can substitute the given values into the equation and solve for b2.
A = 1/2 * 4 * (3 + b2)
16 = 2 * (3 + b2)
16 = 6 + 2b2
10 = 2b2
b2 = 10/2
b2 = 5
Learn more about Solve for b2 here:
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