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Morgarella [4.7K]
3 years ago
8

Simplify each expression. 1-4b+3b+11

Mathematics
2 answers:
meriva3 years ago
5 0
The correct answer is -b+12
Simora [160]3 years ago
5 0

Answer:

1-4b + 3b+11

1-11+4b+3b

-10+6b

-16

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Does a = 8 b=15 c=17 make a right triangle and why​
ArbitrLikvidat [17]
Ok so pythagorean theorem is
a^2+b^2=c^2
plug it in
8^2+15^2=17^2
64+225=289
289=289

yass it works so that means they do make a right triangle

yes, they make a right triangle because they're a pythagorean triple and pythagorean theorem works when you plug the numbers in.
4 0
2 years ago
Find the solutions to the system of equations. Select all that apply. Y=x^2-1 y=2x-2
Sliva [168]

Answer:

Option C (1, 0)

Step-by-step explanation:

We have a system with the following equations:

y = x ^ 2-1\\\\y = 2x-2

The first equation is a parabola.

The second equation is a straight line

To solve the system, substitute the second equation in the first and solve for x.

2x-2 = x ^ 2 -1

Simplify

x ^ 2-2x + 1 = 0

You must search for two numbers that when you add them, obtain as a result -2 and multiplying both results in 1.

These numbers are -1 and -1

Therefore

x ^ 2-2x + 1= (x-1)(x-1)\\\\x ^ 2-2x + 1= (x-1)^2=0

Finally the solutions are

x = 1\\y =0

8 0
3 years ago
Read 2 more answers
Which of the statements are true regarding dot plots bar graphs and historgrams
andrey2020 [161]

the only statement that is true is the one in option D.

"Bar graphs are used to represent data that is discrete".

<h3>Which of the statements are true regarding dot plots, bar graphs, and histograms?</h3>

Dot plots,  bar graphs, and histograms are used to repersent graphically data sets.

Thus, what these graphs do represent are populations in a data set with a given property.

Remember that data is usually discrete, so we usually use dot plots and bar graphs to represent discrete data.

Histograms show distributions of numerical data (it can be used for continuous or discrete data).

With all that in mind, we conclude that the only statement that is true is the one in option D.

"Bar graphs are used to represent data that is discrete".

If you want to learn more about data sets:

brainly.com/question/3514929

#SPJ1

3 0
1 year ago
The original price of a ski jacket was $270. It was on sale at a 25% discount. Arianna had a coupon for an additional 10% off th
igor_vitrenko [27]

25% of $270 is $67.50

10% of $270 is $27.0

 27.0

+67.50

is $94.50

$270 - $94.50 is

$175.50 (Final Answer.)    [I hope this helped you!]

8 0
3 years ago
Evaluate the expression 15g if g = 1/5.
kap26 [50]

Answer:

3

Step-by-step explanation:

15g

g=1/5

15×1/5

15/1×1/5=3

6 0
2 years ago
Read 2 more answers
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