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miskamm [114]
4 years ago
12

Mr. Noah wants his Ark to sail along an even keel. The ark is divided down the middle, and on each deck the animals on the left

exactly balance those on the right all but the third deck.
Can you figure out how many giraffes are needed in place of the question mark so that they(and the lion) will exactly balance the six zebras?
Mathematics
1 answer:
Ne4ueva [31]4 years ago
4 0

Answer:3

Step-by-step explanation:

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Marie has a small copy of Rene Magritte's famous painting, The Schoolmaster. Her copy has dimensions 2 inches by 1.5 inches. The
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A scale of 1:40 can be read as "one cm on the model corresponds to 40 cm in the original object". or 

"one inch on the model corresponds to 40 inches
this means that  the 2 inches correspond to 2 times 40, that is 80 inches and 1.5 corresponds to 1.5*40=60 inches

which means that the original painting has dimensions of 80 by 60 inches.
b) Area = 80 cm * 60 cm = 4,800 cm²
c) 80 cm * 1 inch / 2.54 cm = 31.50 inches ; 
    60 cm * 1 inch/2.54 cm = 23.60 inches
d) Area = 31.50 in * 23.60 in = 743.40 inches² 
5 0
3 years ago
Consider the function represented by the equation 1/2 J + 1/4 k equals 3 which shows the equation written in function notation w
Oksana_A [137]
F(k) = -1/2k + 6

You can get this by solving for J and then using f(k) in its place. 
4 0
3 years ago
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How much water should be added to 1 gallon of pure antifreeze to obtain a solution that is 25% ​antifreeze?
777dan777 [17]

Answer:

3 gallons.

Step-by-step explanation:

If you add three gallons of water to 1 gallon of antifreeze, then there are 4 gallons total. That means that 1/4 of the solution is antifreeze, and 1/4 is equal to 25%.

6 0
3 years ago
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Select all the points that are on the line through LaTeX: (0,5)( 0 , 5 ) and LaTeX: (2,8)( 2 , 8 ). Group of answer choices LaTe
Ivenika [448]

Answer:

The points (4,11), (6,14), (30,50) lie on the line joining the points (0,5) and (2,8).

Step-by-step explanation:

The equation of the line passing through two points (x_1,y_1) and (x_2,y_2) is

y-y_1=\frac{y_2-y_1}{x_2-x_1}(x-x_1)

So, the equation of the line passing through two points (0,5) and ( 2, 8 ) is

y-5=\frac{8-5}{2-0}(x-0)

\Rightarrow y=1.5x+5\cdots(i)

For the point (4,11), pout x=4 in equation (i), we have

y=1.5\times4 +5=11, which is given y coordinate, hence this point (4,11) lies on the line.

For the point (5,10), pout x=5 in equation (i), we have

y=1.5\times5 +5=12.5, which is not the given y coordinate, hence the point (5,10) doesn't lie on the line.

For the point (6,14), pout x=6 in equation (i), we have

y=1.5\times6 +5=14, which is the given y coordinate, hence the point (6,14)  lies on the line.

For the point (30,50), pout x=30 in equation (i), we have

y=1.5\times30 +5=50, which is the given y coordinate, hence the point (30,50) lies on the line.

For the point (40,60), pout x=40 in equation (i), we have

y=1.5\times40 +5=65, which is not the given y coordinate, hence the point (40,60) doesn't lie on the line.

Hence, the points (4,11), (6,14), (30,50) lie on the line joining the points (0,5) and (2,8).

4 0
3 years ago
What are the fourth roots of 128(1 + √3i)?
oee [108]
Hello here is a solution : 

8 0
4 years ago
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