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3 years ago

Name two equivalent fractions for each 2/4 1/3 1/4

Mathematics

2 answers:

Scrat [10]3 years ago

8 0

2/4=1/2 and 4/8
1/3=2/6 and 3/9
1/4=2/8 and 3/12

Mrrafil [7]3 years ago

3 0

4/8 6/12 for the first one
2/6 3/9 for the second
and 2/8 3/12

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What is the volume of this prism

tensa zangetsu [6.8K]

Answer:

The volume of this Prism is 30.

Step-by-step explanation:

Multiply the bases measurements together first. 3 x 10 = 30

Divide the base and height by 2. 30 / 2 = 15

Multiply the base area times the height. 15 x 2 = 30

4 0

3 years ago

Read 2 more answers

Please help me solve this exercise.!!

Volgvan

<h3>Answer: -4/3</h3>

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Explanation:

Let's square both sides and do a bit of algebra to get the following.

$\sin(x) + \cos(x) = 1/5\\\\\left(\sin(x) + \cos(x)\right)^2 = \left(1/5\right)^2\\\\\sin^2(x) + 2\sin(x)\cos(x) + \cos^2(x) = 1/25\\\\\sin^2(x) + \cos^2(x) + 2\sin(x)\cos(x) = 1/25\\\\1 + 2\sin(x)\cos(x) = 1/25\\\\\sin(2x) = 1/25 - 1\\\\\sin(2x) = 1/25 - 25/25\\\\\sin(2x) = -24/25\\\\$

Now apply the pythagorean trig identity to determine cos(2x) based on this. You should find that cos(2x) = -7/25

This then means tan(2x) = sin(2x)/cos(2x) = 24/7.

From here, you'll use this trig identity

$\tan(2x) = \frac{2\tan(x)}{1-\tan^2(x)}\\\\$

which is the same as solving

$\tan(2x) = \frac{2w}{1-w^2}\\\\$

where w = tan(x)

Plug in tan(2x) = 24/7 and solve for w to get w = -4/3 or w = 3/4

So either tan(x) = -4/3 or tan(x) = 3/4.

If we were to numerically solve the original equation for x, then we'd get roughly x = 2.21; then notice how tan(2.21) = -1.345 approximately when your calculator is in radian mode.

Since tan(x) < 0 in this case, we go for tan(x) = -4/3

8 0

3 years ago

(a) It takes 40 pounds of seed to completely plant a 6-acre field. How many pounds of seed are needed per acre? poundsperacre

lakkis [162]

Answer: 6 2/3 or 6.67 pounds per acre (depending on how you write it)

Step-by-step explanation:

40 pounds/ 6 acres

= 6 2/3 or 6.67 pounds per acre

6 0

3 years ago

Bill reads 1/5 of a book on Monday he reads 2/3 of a book on Tuesday if he finish reading the book on Wednesday what fraction of

Evgen [1.6K]

total book =1

1/5 + 2/3 + wed = 1

get a common denominator of 15

1/5 * 3/3 + 2/3 * 5/5 + wed = 1 * 15/15

3/15 + 10/15 + wed = 15/15

combine like terms

13/15 + wed = 15/15

subtract 13/15 on each side

wed = 15/15-13/15

wed = 2/15

He read 2/15 of the book on Wednesday

5 0

3 years ago

Please help!!!!!!!!!!!

Temka [501]

9514 1404 393

Answer:

(d) h = 2A/b

Step-by-step explanation:

Multiply both sides of the equation by the inverse of the coefficient of h.

$A = \dfrac{1}{2}bh=\dfrac{b}{2}\cdot h\\\\\dfrac{2}{b}\cdot A=h\\\\\boxed{h=\dfrac{2A}{b}}$

4 0

3 years ago