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3 years ago

Evaluate the expression- 2(y+1)for y=2

Mathematics

1 answer:

kiruha [24]3 years ago

6 0

Answer:

-6

Step-by-step explanation:

-2 ((2) + 1)

-2 (3)

= -6

Hope it helped

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A fair six-sided die is rolled 54 times. Theoretically, about how many times should a roll of "3" occur?

Anika [276]

Answer:

Step-by-step explanation:

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3 years ago

Read 2 more answers

Find the solution set

Marianna [84]

Hi!

Whatever we do to the inequality, we have to do it to both sides.

Subtract 14 from both sides
14 - 14 - 3x < -1 - 14
-3x < -15
Divide by -3 on both sides
-3x/-3 < -15/-3
x < 5
Because we divided by a negative number, the equality sign flips.
x > 5
^ the answer

Hope this helps! :)

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3 years ago

Rewrite the fraction in simplest form. 62/70

Ostrovityanka [42]

The answer is 31/35
Hope it helps!

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3 years ago

Calculate the final displacement from 0 if an object first

8_murik_8 [283]

Answer:

final displacement = - 3cm +5cm = + 2 cm

ie 2 cm towards right

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3 years ago

Liev is assembling a coffee table. The diagram below is from the instruction manual and shows the table after the first two legs

elixir [45]

Answer:

The support is 41 inches long.

Step-by-step explanation:

There's two ways we can do this: one with the diagonal formula and one without.

Since we know that Point C is halfway down leg A and that the table legs are 18 inches tall, Point C is 9 inches down leg A. The support, from Point C to Point D, will form a diagonal, the length of which we need to find. We know from the diagram that the width of the table is 24 inches and that its length is 32 inches. We have a height, length, and width for this problem, so let's imagine a rectangular prism, which has all three of those things, instead of a table. The formula for finding a rectangular prism's diagonal is $d = \sqrt{l^{2} + w^{2} + h^{2} }$ . Let's put in those numbers:

$d = \sqrt{32^{2} + 24^{2} + 9^{2} } = 41$

Therefore, the support is 41 inches long.

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Another way you can do this is to use the Pythagorean Theorem twice: once to find the diagonal of the tabletop and another time for the support.

$24^{2} + 32^{2} = c^{2} \\576 + 1024 = c^2\\1600 = c^2\\\sqrt{1600} = \sqrt{c^2}\\ 40 = c$

Now that we know the corner-to-corner distance for the tabletop, we'll use that and the 9 inch distance for Point C to find the distance between C and D:

$9^{2} + 40^{2} = c^{2}\\ 81 + 1600 = c^2\\1681 = c^2\\\\sqrt{1681} = \sqrt{c^2} \\41 = c$

Again, the support is 41 inches long.

4 0

3 years ago