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sweet [91]
3 years ago
15

What is 3/7 - 2/7 this is unlike factors

Mathematics
2 answers:
stiks02 [169]3 years ago
6 0

Answer:

\frac{1}{7}

Step-by-step explanation:

Since they have the same denominator (the number on the bottom), you can just subtract the numerators (the numbers on the top). So 3-2 is 1. You always leave the denominator as it is, don't subtract it.

Musya8 [376]3 years ago
5 0

Answer:

\frac{1}{7}

Step-by-step explanation:

\frac{3}{7}  -  \frac{2}{7}  \\  \frac{3 - 2 }{7}  \\  =  \frac{1}{7}

The common factors are 7.

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The length of a leg of an isosceles right triangle is 20 inches. Find the length of the hypotenuse in radical form
Over [174]

Answer: H = 20\sqrt{2}

Step-by-step explanation:

To find the hypotenuse , we will use Pythagoras theorem, which states that

The square of the hypotenuse = the square of the adjacent + the square of the opposite.

Since , we are dealing with isosceles right triangle , this means that :

both the adjacent and the opposite are equal, using the formula to find the hypotenuse , let H represent the hypotenuse , then

H^{2} = 20^{2} +  20^{2}

H^{2} = 400 + 400

H^{2} = 800

Take the square root of both sides

H = \sqrt{800}

\sqrt{800} can be written as \sqrt{400} x\sqrt{2}

Therefore :

H = \sqrt{400} x\sqrt{2}

H = 20x \sqrt{2}

H = 20\sqrt{2}

6 0
3 years ago
Leigh bought a conical candle wax mold. The height of the mold is 18.9 inches and the radius of the inside of the top of the con
ICE Princess25 [194]

Answer:

87.28 cubic inches

Step-by-step explanation:

Leigh wants to fill the conical candle wax mold completely with candle wax.

We have to calculate the volume of the cone by the formula :

V=\pi r^2\frac{h}{3}

Here, V = volume

r = radius = 2.1 inches

h = height = 18.9 inches

By substituting these values given, into the formula

V=\pi (2.1)^2(\frac{18.9}{3})

   = (27.783)π

   = 87.28 inch³

Conical mold can hold 87.28 inch³ candle wax.

8 0
3 years ago
Virginia purchased 3 packets of flower seeds to plant in her garden. if forty-five flowers bloomed, and each packet contained th
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15 is the answer for this
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4 years ago
Which expression is NOT equivalent to (6x + 10)? A.3x + 5 B.1/2(6x) + (10) C.6/2x+10/2 D.3x + 10 -------------------------------
Vadim26 [7]

Answer:

A, C

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
50 pts help pls...
Masteriza [31]
Felix and Tyler means
Mean = (9.4+54)/2= 31,7
Median= (7+66)/2= 36,5

Is this what you are looking for??
5 0
3 years ago
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