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3 years ago

What does 1/3+1/4 equal to?

Mathematics

1 answer:

bixtya [17]3 years ago

7 0

7/12 u need to multiply 3*4 and u keep the numerator the same

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The constant of proportionality can be found by finding the

KatRina [158]

Answer:

The constant of proportionality k is given by k=y/x where y and x are two quantities that are directly proportional to each other. Once you know the constant of proportionality you can find an equation representing the directly proportional relationship between x and y, namely y=kx, with your specific k.

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3 years ago

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When constructing parallel lines with a compass and straightedge, how should you start the construction?

kykrilka [37]

I believe its d because that was what I was doing 2days ago

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4 years ago

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What is the value of x? Enter your answer in the box. x =

Firdavs [7]

Answer:

Step-by-step explanation:

This means that 9/(2x-1)=15/(3x), so 27x=30x-15. This means that 3x=15, so x=5.

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3 years ago

What is the area of the shape?

marshall27 [118]

Step-by-step explanation:

hello,

the shape is a right trapezium.

you use the following formula:

area of a trapezium = ½ × sum of parallel sides× height.

or simply,

a = ½ ( a + b ) h

where a and b are the parallel sides

and h is the height.

thus,

a = ½ × ( 4 + 6 )× 4

a = ½ ( 10 ) × 4

a = 5 × 4

a = 20

have a great day! au revoir !

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2 years ago

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The center on a target has a diameter of 5 inches. The whole target has a diameter of 25 inches. The center of the target takes

Komok [63]

4%

To find the percentage, first find the area of both circles. The area formula is $\pi r^{2}$ . After finding the area of the center of the target (19.625) and the area of the large target (490.625), set up a percent proportion to determine the percentage that the center takes up:

$\frac{is}{of} = \frac{percent}{100}$

$\frac{19.625}{490.625} = \frac{percent}{100}$

Cross multiplying and dividing by 490.625 will give a total of 4%.

4 0

3 years ago