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Tresset [83]
1 year ago
14

Liam says -() is equivalent to 2. Explain if Liam is correct by completing the

Mathematics
1 answer:
Zinaida [17]1 year ago
5 0

Answer:

I don't understand the format of the questions and choices.  I simply made a few observation.

Step-by-step explanation:

The fraction - (2) can be described as the opposite of a positive number divided by a positive number.

-(2/1)?

A positive number divided by a positive number results in a Choose...     <u>Negative Number</u>

quotient, and its opposite is always Choose...    <u>Opposite?  Still a negative number.</u>

<u></u>

<u>I don't understand the following:</u>

The fraction can be described as a positive number divided by a negative number, which

-12

always results in a Choose...

quotient.

value, so Liam Choose...

The fractions have

Choose...

Y

correct.

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What is the domain and range? <br><br> {(-7,5), (-6,1), (-5,0), (-4,1)}
Monica [59]
The Domain is the first number of the pair
D= -7, -6, -5, -4
The Range is the second number of the pair
R= 5, 1, 0, when a number repeats like the number one you can put it once.


8 0
3 years ago
What is the size of angle x !!!
klemol [59]

Answer:

∠x = 67°

Step-by-step explanation:

∠x = 67° because they both are inscribed angles of the same arc

7 0
2 years ago
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To evaluate whether a new fertilizer improves plant growth more than the old fertilizer, the fertilizer developer gives some pla
olga2289 [7]

Answer:

B) Experiment: you imposed a treatment (new fertilizer on some plants, old on others) to determine its effect.

Step-by-step explanation:

In this situation, the fertilizer developer wants to evaluate a hypothesis, not just observe, by subjecting plants to two different treatments (new and old fertilizer) in order to determine which treatment provides a more desirable effect (more plant growth).

This process configures an experiment.

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2 years ago
Complete the proof by providing the missing reasons. given:cb bisects bd,de bisects ec, cb=de. prove dbc=ced. . . CB=DE,CB BISEC
Alexus [3.1K]
Base on your question were the are proofs that is given are this are: CB bisects BD, DE bisects EC, CB=DE. So answer your question you must understand first your given statements and realize that CBD and DEC are both right triangles because they are a perpendicular segment so i conclude that the answer should be CBD=DEC because they are both right angles
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2 years ago
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If john makes a contribution to a charity fund at school, the average contribution size will increase by 50% reaching $75 per pe
Sonja [21]

Answer:

Z= 75*6 -250=200

So then the correct answer is B. $200.

Step-by-step explanation:

Notation

Let X be the average contribution size before John makes his contribution.

Let Y be the total contribution size before John makes his contribution.

Let Z be John's contribution.

We know that for this case $ 75 represent the original average amount before the contribution with 50% increase so we can set up the following equation in order to find the original average amount

1.5 X = 75

And solvong for X we got:

X = \frac{75}{1.5}= 50

Now we can find the total contribution before the donation with the following proportion:

\frac{50}{1}= \frac{Y}{5}

Y = 250

And then with the formula of average taking in count the 6 values we can find the size of donation Z like this:

\frac{Y+Z}{6}= 75

\frac{250+Z}{6}= 75

Z= 75*6 -250=200

So then the correct answer is B. $200.

5 0
3 years ago
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