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sveticcg [70]
3 years ago
6

HURRYYYY

Mathematics
2 answers:
lys-0071 [83]3 years ago
7 0

Answer:

B

Step-by-step explanation:

correct on edge

Lelechka [254]3 years ago
3 0
B is the Answer your welcome AHHHHHH
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What is the interquartile range of this data?
Damm [24]
Interquartile Range is (Q3-Q1): The Q3 is 14 and the Q1 is 6, so the Answer is 8. 
4 0
3 years ago
14. MULTIPLE CHOICE The number of students in the marching band increased from 100 to 125. What is the percent of increase? (Ski
slamgirl [31]

The percentage of the increase will be 25% when the number of students in the marching band increased from 100 to 125.

<h3>What is the percentage?</h3>

The Percentage is defined as representing any number with respect to the 100. It is denoted by the sign %.

It is given in the question that the number of students in the marching band increased from 100 to 125 so we need to find the percentage increase of the students.

The percentage increase of the students will be calculated as:-

% increase=[(125-100)÷(100)]x100

% increase=[(25)÷(100)]x100

% increase= [0.25x100]

% increase= 25%

Hence the percentage of the increase will be 25% when the number of students in the marching band increased from 100 to 125.

To know more about percentages follow

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6 0
2 years ago
Extended Problems, Extraneous Solutions
diamong [38]

Answer:

1a. 2 is the solution

1b. -3 is because square root of 1 doesn't equal -1.

1c.-3

Step-by-step explanation:

1.

(x + 2 =  \sqrt{3x + 10}

Square both sides

(x + 2) {}^{2}  = 3x + 10

Remeber perfect square Rule

(x + y) {}^{2}  =  {x}^{2}  + 2xy +  {y}^{2}

So now we got

x {}^{2}  + 4x + 4 = 3x + 10

{x}^{2}  + x + 4 = 10

{x}^{2}  + x - 6 = 0

Factor into binomial.

(x + 3)(x - 2) = 0

So our solution is 3 or 2. However, let's check our work.

- 3 + 2 =  \sqrt{3( - 3) + 10}

- 1 =  \sqrt{1}

However square root of 1 is 1. It could be 1 but in Math, <em>We</em><em> </em><em>only</em><em> </em><em>take</em><em> </em><em>the</em><em> </em><em>principal</em><em> </em><em>square</em><em> </em><em>root</em><em> </em><em>which</em><em> </em><em>is</em><em> </em><em> </em><em>positive</em><em> </em><em>always</em><em>.</em><em> </em><em>So</em><em> </em><em>-3</em><em> </em><em>isn't</em><em> </em><em>a</em><em> </em><em>solution</em><em>.</em>

<em>So</em><em> </em><em>let</em><em> </em><em>try</em><em> </em><em>2</em><em>.</em>

<em>2 + 2 =  \sqrt{3(2) + 10}  = 4 =  \sqrt{16}  = 4 = 4</em>

<em>So</em><em> </em><em>this</em><em> </em><em>is</em><em> </em><em>indeed</em><em> </em><em>the</em><em> </em><em>solution</em><em>.</em>

<em>Make</em><em> </em><em>up</em><em> </em><em>equation</em><em> </em><em>for</em><em> </em><em>2</em><em> </em><em>and</em><em> </em><em>3</em><em>.</em><em> </em><em>Ask</em><em> </em><em>me</em><em> </em><em>if</em><em> </em><em>you</em><em> </em><em>need</em><em> </em><em>help</em><em>.</em>

5 0
2 years ago
Which answer describes the calculations that could be used to solve this problem?
faltersainse [42]
D. Since we know that 1 ticket = $8 we would multiply to figure out how much 7 tickets were. (7x$8). And to figure out his change you would subtract the ticket amount from $100 :) Hope this helps
4 0
3 years ago
Read 2 more answers
Solve for x.<br><br> (x÷2)+6=50<br><br><br> x = 22<br><br> x = 28<br><br> x = 38<br><br> x = 88
otez555 [7]

The answer is x = 88

4 0
3 years ago
Read 2 more answers
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