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3 years ago

What is a word problem for 2 over 3y plus four

Mathematics

1 answer:

postnew [5]3 years ago

3 0

Bob has two thirds of pie. He needs to add four more to his pie.

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What is x and what converse is used to find x

mrs_skeptik [129]

Answer:

Step-by-step explanation:

the third angle of the inner triangle is defined by using the rule that the sum of all angles in a triangle must be 180 degrees. let's call this angle a

180 = 48 + 16x + a

132 - 16x = a

and then we know that both angles, 28x and a together must also be 180, as they are complementing each other to cover the whole top of the base line.

so,

28x + 132 - 16x = 180

12x = 48

x = 4

8 0

3 years ago

Which set is closed under subtractionWhich answer choice shows that the set of irrational numbers is not closed under addition

vovikov84 [41]

Answer:

(a) Set of rational numbers

(b) $\pi + (-\pi) = 0$

Step-by-step explanation:

Solving (a): Set that is closed under subtraction

The solution to this is rational numbers.

For a set of number to be closed under subtraction, the following condition must be true

$a -b = c$

Where

a, b, c are of the same set.

The above is only true for rational numbers.

e.g.

$1 - 2 = -1$

$5 - 5 = 0$

$\frac{1}{2} - \frac{1}{4} = \frac{1}{2}$

$4 - 2 = 2$

The operations and the result in the above samples are rational numbers.

Solving (b): Choice not close under addition[See attachment for options]

As stated in (a)

For a set of number to be closed under subtraction, the following condition must be true

$a -b = c$

Where

a, b, c are of the same set.

In the given options (a) to (d), only

$\pi + (-\pi) = 0$ is not close under addition because:

$\pi$ is irrational while $0$ is rational

<em>In other words, they belong to different set</em>

8 0

3 years ago

2. Tyler can type 50 words per minute. He needs to finish typing his 500-word

nikdorinn [45]

Answer:

9.5 minute

Step-by-step explanation:

500 - 25 = 50x

x = $\frac{475}{50}$

x = 9.5 minute

6 0

3 years ago

Plz help! (will make brainliest!)

Ket [755]

Answer:

Step-by-step explanation:

If x is not equal to zero, then 1/x can be equal to x.

So which is k * 1/x if x =1?

D, because x is the same as 1x, which is equivalent to 1/1 (x).

I may be wrong though please look at other answers and if you have questions then comment

8 0

3 years ago

[ls help me on this

Lady bird [3.3K]

Help you on what?i do not see anything

4 0

4 years ago