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3 years ago

Plzzzzzzzzzzzzzzzzzz need help

Mathematics

2 answers:

vlada-n [284]3 years ago

7 0

Answer: A

Step-by-step explanation:

$4x+4y=20$

We need to get this form: $y=mx+b$

we need to begin by isolating y on the left side. To do this, we must subtract 4x.

$4y=20-4x$

Rewrite it so that we get this form: $y=mx+b$

$4y=-4x+20$

Since y needs to be completely isolated, divide by 4.

$y=-\frac{4x}{4} +\frac{20}{5}$

Divide;

$y=-x+5$

Kobotan [32]3 years ago

6 0

Answer:

Step-by-step explanation:

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10+∣9+4x∣= 11 ablute value

valentinak56 [21]

Answer:

the answer is $x=-\frac{5}{2}\quad \mathrm{or}\quad \:x=-2$

Step-by-step explanation:

Try using Symbolab, I use it all the time it gives the correct answer and it gives good explanations.

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3 years ago

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Answer:

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Step-by-step explanation:

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3 years ago

Order of Operations

emmasim [6.3K]

Given:

$4 + 9 + 16 \div 4 - 8 -3 \times 5$

To find:

The number of possible solutions, if the Order of Operations did not exist.

Solution:

We have,

$4 + 9 + 16 \div 4 - 8 -3 \times 5$

Now,

Case 1:

$[4 + 9 + 16] \div [4 - 8 -(3 \times 5)]=29\div (4 - 8 -15)$

$4 + 9 + 16 \div 4 - 8 -(3 \times 5)=-\dfrac{29}{19}$

Case 2:

$[4 + 9 + 16] \div (4 - 8 -3) \times 5=29\div (-7\times 5)$

$4 + 9 + 16 \div (4 - 8 -3) \times 5=-\dfrac{29}{35}$

Case 3:

$4 + 9 + (16 \div 4) - 8 -(3 \times 5)=4+9+4-8-15$

$4 + 9 + (16 \div 4) - 8 -(3 \times 5)=-6$

Many more possibilities are there.

Therefore, there are more than 3 possible solutions.

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4 years ago

Calculate the area of the shaded part of the figure.

Tju [1.3M]

The shaded area is 1/6 of the area of large circle without the small ones.
you can multiple what you already got for the large circle without small ones by 1/6 and that should give you the correct answer

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4 years ago

Why is it important to be able to write a fraction in simplest form?

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Oftentimes, it makes the problem much easier to solve and change into other things like ratios, percentages, and decimals.

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3 years ago

Read 2 more answers