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Katyanochek1 [597]
2 years ago
15

Can not be bothered to write the question so ima just attach it

Mathematics
1 answer:
stellarik [79]2 years ago
6 0

Use desmos graphing calculator, for visuals. It's easy to use as well.

A is 0 (zero)

(1x1 + 2x1 - 3)

B) D ( lies on 1 on our x-axis)

C) This tells you to draw a line at zero on the y-axis, a horizontal line BTW & read off the x values, where the line touches the pink graph/diagram.

y=x^2+2x-3 is the similar to x^2+2x-3=0 because the letter y now represents zero. So, that's why we draw the line y=0 (a horizontal line at zero). Then, use it to find the x values.

Thus, x = - 3 & x = 1

Hope this helps!

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The length of a rectangle is 4 cm less than 3 times its width. If the width is x cm, then the length is
Feliz [49]

Answer:

Length: 3w-4

Step-by-step explanation:

Length: 3w-4

Width: W

<em>*You don't have to, but I am currently trying to reach the next level, and all I need is some more brainliest answers. If you think my answer was brainly enough, you can make my answer the brainliest, but no pressure. I just help people for fun! :) Thank you, have a great day!*</em>

6 0
3 years ago
The following exercise refers to choosing two cards from a thoroughly shuffled deck. Assume that the deck is shuffled after a ca
Andrew [12]

Using it's concept, it is found that there is a \frac{13}{102} probability that the first card is a club and the second one is black.

<h3>What is a probability?</h3>

A probability is given by the <u>number of desired outcomes divided by the number of total outcomes</u>.

In this problem:

  • In a deck, there are 52 cards, of which 13 are clubs, hence P(A) = \frac{13}{52} = \frac{1}{4}.
  • Then, of the remaining 51 cards, 26 are black, hence P(B) = \frac{26}{51}.

Then:

p = P(A)P(B) = \frac{1}{4} \times \frac{26}{51} = \frac{13}{102}

\frac{13}{102} probability that the first card is a club and the second one is black.

More can be learned about the probability concept at brainly.com/question/15536019

6 0
2 years ago
Marlene studied 10 minutes more than 4 times as long as Brianna. What expression can you write to represent the situation.What d
Ilya [14]
To figure out what expression we can write to represent the situation, we need to turn the word problem into mathematical functions.

The word "more" means we are adding. The word "times" means we are multiplying.

So the expression should be 4x+10 where x represents the minutes Brianna spent studied.


5 0
3 years ago
Which fraction is larger<br> 1/2 or 8/15
nignag [31]
It is 1/2 because if you add a extra zero to each fraction, it will look like this:

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The 10/20 is bigger because 20 is bigger than 15.
7 0
3 years ago
Read 2 more answers
Which fraction have the greatest value 5/6, 1/6 -1/6, -5/6?
AURORKA [14]

9514 1404 393

Answer:

  (a)  5/6

Step-by-step explanation:

Positive numbers are greater than negative ones.

Fractions with the same denominator are greater if their numerator is greater.

All of these fractions have the same denominator. Because 5 > 1 > -1 > -5, the ordering of the fractions is ...

  5/6 > 1/6 > -1/6 > -5/6

The fraction with the greatest value is 5/6.

7 0
3 years ago
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