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maxonik [38]
3 years ago
13

Solve using Substitution y = -1x - 5 4x - 8y = 4

Mathematics
1 answer:
Liula [17]3 years ago
4 0

Answers:

Step-by-step explanations:

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Rational or irrational
Law Incorporation [45]

Hello, I am papaguy Your answer is ready!


Answer: A rational number is any number that can be expressed as a whole number, a fraction, or as a non repeating decimal. Otherwise, it is an irrational number. 

19/5: it is a rational number because it is in fraction form

√12: this is an irrational number

√49: this is a rational number because when you simplify this you will get the answer 7, that is a whole number.

0.3425563758:  This is a decimal, hence, this is rational.

4/25 :  it is a fraction so it is a rational number.

√1/8: this is an irrational number

√0.6¯: this is an <u>irrational number</u>



Mark Brainliest if your happy with my answer.


~

Your Pal Papaguy



7 0
3 years ago
Read 2 more answers
The universally accepted film size for movies has a width of 35 millimeters. If you want to project a movie onto a square sheet
dlinn [17]

Answer:

<h2>The scale factor is 285.7143 ≅ 286.</h2>

Step-by-step explanation:

The square sheet has an area of 100 square meters.

Hence, the width of the sheet is \sqrt{100} = 10 meters.

The scale factor is needs to be in such a way, so that the film's wide will be match perfectly with the square sheet. Hence, 35x millimeters = 10 meters = 10000 millimeters .

x = \frac{10000}{35} = 285.7143.

6 0
3 years ago
How do you simplify this?? If you can! Plz answer
Volgvan
Divide them both by 2 and then see what u get. How do you take a picture of your homework?
5 0
3 years ago
Simplify the expression where possible.<br><br> (-5x2)^3
Paul [167]

Answer:

-1000

Step-by-step explanation:

1. Do the Parenthesis problem first. (PEDMAS/PEMDAS)

You should then have -10^3

2. Solve with the exponent. (-10 x 10 x 10)

You should then get your final answer, which is -1000.

Any Questions/Concerns?

6 0
3 years ago
Can anyone help me I don't know how to solve this?
soldi70 [24.7K]
Set up a proportion. 6/10 = 9/x. cross multiply so x times 6 = 6x. And 10 times 9 = 90. so 6x=90. Then 90 and 6x divided by 6. which gets you x=15. The 9 ft tall elephant will cast a 15 ft shadow.
3 0
3 years ago
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