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ankoles [38]
3 years ago
14

How do you do you solve this

Mathematics
2 answers:
Ivahew [28]3 years ago
7 0

Answer:

5/7

Step-by-step explanation:

7b^2 - 19b + 10 solve by simplifying the expression.

belka [17]3 years ago
3 0
7b^2 - 19b + 10
(b - 2)(7b - 5)

b1 = 2 ; b2 = 5/7
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Rashawn read 25 pages of his book each day until he finished the book. His book was 400 pages long.
katrin [286]
Given that <span>Rashawn read 25 pages of his book each day until he finished the book. His book was 400 pages long.

The number of days it takes him to finish the book is given by 400 / 25 = 16 days.

In 0 days, he has 400 pages remaining and in 16 days he has 0 pages remaining. 

Therefore, the graph that represents the situation is a</span><span> graph in the first quadrant containing a line segment. The x axis is labeled Days and the y axis is labeled Pages remaining. The endpoints of the line segment are (0, 400) and (16, 0).</span>
3 0
4 years ago
Can you help me with #20? In details I am so lost
Serga [27]
Area of an equilateral triangle is \frac{ s^{2} \sqrt{3}  }{4}, where s is length of a side; we have s = 2 + 4 + 2 = 8 mm; then area is 16 \sqrt{3} ;;
Area of a semi-circle = (1/2)πr^{2}, where r is the radius of circle; r = 4/2 = 2 mm; then area is 2π;
The shaded area is 16 \sqrt{3} - 2π = 2( [tex]8 \sqrt{3} - π );
7 0
3 years ago
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What an equivalent expression for 48 + 18x
FromTheMoon [43]

Answer:

6(8+3x)

Step-by-step explanation:

48+18x

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6(8+3x)

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Of the 50 student in the cafeteria, 7 have red hair. If there are 750 students in the school, predict the number of students who
SVEN [57.7K]

Given data,

Of the 50 students in the cafeteria

7 have red hair.

Total number of students = 750

To find:

The proportion that could be used to predict the number of students who have red hair.

Let us assume the number of students who have red hair = x

The ratio of student having red hair to the total number of students are

                           Ratio (1) = \frac{7}{50}

                           Ratio (2) = \frac{x}{750}

The number of students having red hair is proportional to the total number of students. So, the above ratios are equal.

                                    \frac{x}{750} = \frac{7}{50}

Cross multiplication,

                                    50x = 7 * 750

                                     50x = 5250

                                          x = 5250/50

                                          x = 105

Therefore,

The required equation is \frac{x}{750} = \frac{7}{50}  and the number of students who have red hair is 105.

Learn more about event correlation here: brainly.com/question/10831881

#SPJ9

                                   

                           

4 0
1 year ago
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