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tia_tia [17]
3 years ago
7

B. What does the point (8,4) mean in

Mathematics
2 answers:
neonofarm [45]3 years ago
4 0
For 8 batches of brownies, you’ll need 4 cups of sugar
wel3 years ago
4 0

Answer:4=brownies 8=cups of sugar

for every two cups of sugar you will have enough sugar two brownies

BRAINLILEST PLZ I ONLY NEED ONE MORE

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Communicate Mathematical Ideas Irrational numbers can never be precisely represented in decimal form. Why is this? 20 Unit1
kiruha [24]

Answer:

An irrational number can never be represented precisely in decimal form.

Step-by-step explanation:

<em>A number can be precisely represented in decimal form if you can give a rule for the construction of its decimal part,</em>

for example:

2.246973973973973... (an infinite tail of 973's repeated over and over)

7.35 (a tail of zeroes)

If this the case, then the number is a RATIONAL NUMBER, i.e, the QUOTIENT OF TWO INTEGERS.

Let's show this for the first example and then a way to show the general situation will arise naturally.

Suppose N = 2.246973973973...

You can always multiply by a suitable power of 10 until you get a number with only the repeated chain in the tail

for example:

1) N.10^3=2246.973973973...

but also

2) N.10^6=2246973.973973...

Subtracting 1) from 2) we get

N.10^6-N.10^3=2246973.973973973... - 2246.973973973...

Now, the infinite tail disappears

N.10^6-N.10^3=2246973 - 2246=226747

But  

N.10^6-N.10^3=N.(10^6-10^3)=N.(1000000-1000)=999000.N

We have then

999000.N=226747

and

N=\frac{226747}{999000}

We do not need to simplify this fraction, because we only wanted to show that N is a quotient of two integers.

We arrive then to the following conclusion:

If an irrational number could be represented precisely in decimal form, then it would have to be the quotient  of two integers, which is a contradiction.

So, an irrational number can never be represented precisely in decimal form.

6 0
3 years ago
Solve for a. <br> a+(−7)=−17 What is the answer
luda_lava [24]
The answer would be -10
3 0
3 years ago
Read 2 more answers
The selling price of a dining table is $250.00, the markup is 40%. What is the cost of the table?
Furkat [3]
The cost of the table would be $150. 40% of $250 is $100.
3 0
3 years ago
Write 0.0000055 in scientific notation
Feliz [49]

Answer:

(b) 5.5 × 10^-6

Step-by-step explanation:

hope if helps

3 0
3 years ago
Workout the area of the quarter of a circle with a radius of 8
QveST [7]

Answer:

16\pi

Step-by-step explanation:

We need to find 1/4 of the area of a circle with a radius of 8

Let r be radius

Area of a circle = r^{2} \pi

Substitute r with 8

Area of a circle = 8^2\pi =64\pi

Now, to find 1/4 of the area, we can create an equation \frac{64\pi }{4}={16\pi

The answer is 16\pi

Hope this helps :)

Have a spectacular day!

3 0
2 years ago
Read 2 more answers
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