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Harrizon [31]
3 years ago
11

a package of markers includes 3 black markers and 9 colored markers. What percent of the markers in the package are colored mark

ers?
Mathematics
2 answers:
enyata [817]3 years ago
3 0

0.75

just divide 9 by 12

lions [1.4K]3 years ago
3 0

As a percent the answer is 75%.

As a fraction the answer is 75/100.

As a decimal the answer is 0.75.


Hope this helps! Have a spectacular day!

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The function f(x) = –x2 – 4x + 5 is shown on the graph. On a coordinate plane, a parabola opens down. It goes through (negative
madam [21]

The true statement is:

"The range of the function is all real numbers less than or equal to 9."

<h3>Which statements are true?</h3>

Here we have the quadratic function:

f(x) = -x^2 - 4x + 5

And we want to see which of the given statements are true.

The first one is:

"The domain is al real numbers less than or equal to -2"

This is false, for all quadratic functions the domain is the set of all real numbers (unless the domain is defined).

The second statement is:

" The domain of the function is all real numbers less than or equal to 9."

Also false

Third one:

" The range of the function is all real numbers less than or equal to −2"

The range of a quadratic function with a negative leading coefficient will be the set of all the values smaller than the y-value of the vertex.

In this case, the quadratic function is:

f(x) = -x^2 - 4x + 5

So the vertex is at:

x = 4/(2*-1) = -2\\

Then the y-value of the vertex is:

f(-2) = -(-2)^2 - 4*(-2) + 5 = -4 + 8 + 5 = 9

So the range is the set of all real numbers less than or equal to 9.

So the above statement is false, and the final one:

"The range of the function is all real numbers less than or equal to 9."

Is the true statement.

If you want to learn more about quadratic functions:

brainly.com/question/1214333

#SPJ1

8 0
1 year ago
Jess wants 180 cupcakes for her party. Jess has already made 60 berry cupcakes, and 48
Pavel [41]

Answer:

Hi! The answer to your question is 72 Cupcakes

Step-by-step explanation:

60+48 = 108

180 - 108 = 72

☆*: .。..。.:*☆☆*: .。..。.:*☆☆*: .。..。.:*☆☆*: .。..。.:*☆

☁Brainliest is greatly appreciated!☁

Hope this helps!!

- Brooklynn Deka

5 0
2 years ago
The scatter plot shows the number on minutes spent reading (x) and the number of pages read (y) by each Seven student last night
Illusion [34]

Answer:

a

Step-by-step explanation:

3 0
3 years ago
Which equation represents the line that has a slope of 4 and passes through the point (2, 7)?
IrinaK [193]

Answer:

A) y = 4x - 1

Step-by-step explanation:

y = mx + b

y = 4x + b

7 = 4(2) + b

7 = 8 + b

-1 = b

y = 4x - 1

8 0
2 years ago
What is the equation of the line that passes through the points (−2, 1) and (1, 10)?
Anna71 [15]
Slope = (10-1)/(1+2) = 9/3 = 3

y = mx + b
1 = 3(-2) +b
1 = -6 + b
b = 7

equation

y = 3x + 7  
or
3x - y = -7

answer is <span>3x − y = −7 (first choice)</span>
6 0
3 years ago
Read 2 more answers
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