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bekas [8.4K]
4 years ago
6

Simplify 5x * 1/x^-7 * x^-2 a) 5x b) 5x^−6 c) 5 d) 5x^6

Mathematics
2 answers:
Murljashka [212]4 years ago
6 0

Answer:b

Step-by-step explanation:

you need to subtract

Delicious77 [7]4 years ago
4 0

Answer:

The answer is B. 5x^-6 because you have to subtract

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3(x-2)-1=2-5(x+5) find the value for x and show all steps
makvit [3.9K]
3x-2-1=2-5x+5
3x-3= 3-5x
3x=5-5x
8x=5
8 0
4 years ago
Arrange the numbers in decreasing order of their values.
FinnZ [79.3K]

Answer:

The numbers in decreasing order of their values are:

\cfrac{19}{3}>\sqrt{37}>6.08171...>6.012

Step-by-step explanation:

Before actually comparing, we need to write all of those numbers in decimal form, that will be the only way to actually tell which one is bigger since you are already given numbers in decimal form.

Converting numbers in decimal form.

The first number we are given is \sqrt{37}, we know it is a bit higher than 6, since the square root of 36 is 6, so using a calculator we get

\sqrt{37}=6.0828

The second number is a fraction, in decimal form will be:

\cfrac{19}{3}= 6.3333

Writing the decreasing order.

Now that all numbers are in decimal form we can compare them and write them in decreasing order.

6.3333... > 6.0828...>6.08171...>6.012

Lastly we can write the decreasing order using the numbers on their original form.

\cfrac{19}{3}>\sqrt{37}>6.08171...>6.012

8 0
4 years ago
How to answer the problem
Serhud [2]

yes because she would only use 96 gallons of gas and still have 4 gallons left.


6 0
4 years ago
In a true-false test containing 50 questions, a student is to be awarded 2 marks for every correct answer and -2 for every incor
BlackZzzverrR [31]

Answer:

1. 47 correct, 0 wrong and 3 unanswered

2. 48 correct, 1 wrong and 1 unanswered

Step-by-step explanation:

Given;

Total number of questions = 50

For correct answers = 2

For wrong answers = -2

Unanswered questions = 0

Yash scored 94 marks

Let c, w and u represent the number of correct, wrong and unanswered questions

2×c - 2 × w + 0×u = 94

2c -2w = 94 .....1

And;

c + w + u = 50 .....2

We have 2 equations and 3 unknowns

By observing the problem, we can see two possible solutions;

Case 1: Assuming he did not miss (get wrong) any answer;

He needs to score 47 answers right;

47 × 2 = 94

Then;

c = 47 w = 0 and u = 50 - (47+0) = 3

47 correct, 0 wrong and 3 unanswered

Case 2: Assuming he got one answer wrong;

He would need to score one more answer right compared to the first case;

(47+1) × 2 - 1 × 2 = 96 - 2 = 94

c = 47+1 = 48

w = 1

u = 50 - (48+1) = 1

So he need to score 48 correct answers, 1 wrong answer and 1 unanswered.

3 0
3 years ago
3
Karolina [17]
Oh okie so I Pepeooooo oit the way
4 0
3 years ago
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