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Sever21 [200]
3 years ago
14

Please help, i seriously don't understand how to solve this ;_;

Mathematics
1 answer:
IgorLugansk [536]3 years ago
3 0

Answer:

10

Step-by-step explanation:

thats correct i think

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What is the square of 5y?
Virty [35]

Answer:

<h3>25y^2</h3>

Step-by-step explanation:

(5y)^2\\\\\mathrm{Apply\:exponent\:rule}:\quad \left(a\times\:b\right)^n=a^nb^n\\\\\left(5y\right)^2=5^2y^2\\\\5^2=25\\\\=25y^2

5 0
3 years ago
What is the answer to this math equation -1 3/4 -(-1/2)<br><br> and this one also:<br> -1/5+1 3/4
Vlad [161]
1)\ \ \  -1  \frac{3}{4}  -(- \frac{1}{2} )=-1  \frac{3}{4}  +\frac{1}{2} =-1  \frac{3}{4}  +\frac{2}{4} =-1 \frac{1}{4} \\\\2)\ \ \ - \frac{1}{5} +1  \frac{3}{4} =- \frac{4}{20} +1 \frac{15}{20} =1 \frac{11}{20}
5 0
4 years ago
The first quartile of a data set is 52, and the third quartile is 72. which one of these values in the data set is an outlier?
Elena L [17]
72 - 52 = 20 <= thats ur IQR

IQR * 1.5 = 20 * 1.5 = 30

52 - 30 = 22...anything less then 22 is an outlier
72 + 30 = 102...anything above 102 is an outlier

answer is : C

7 0
4 years ago
Read 2 more answers
Solve equation by the quadratic formula. List the solutions, separated by commas.<br> 4r^2 +3r+10=8
slega [8]

Answer:

-\frac{3}{8} +\frac{\sqrt[]{23}i }{8},-\frac{3}{8} -\frac{\sqrt[]{23}i }{8}

or

-0.375+0.599479i,-0.375-0.599479i

Step-by-step explanation:

4r^2+3r+10=8

Bring the 8 to the left side so that we equal the equation to 0. To do this, simply substract 8 on both sides.

4r^2+3r+10-8=8-8\\4r^2+3r+2=0

Where;

a=4\\b=3\\c=2

Formula: x=\frac{-b\frac{+}{}\sqrt[]{b^2-4ac}  }{2a}

Replace. Let x be r

r=\frac{-3\frac{+}{}\sqrt[]{(3)^2-4(4)(2)}  }{2(4)}

r=\frac{-3\frac{+}{}\sqrt[]{9-32}  }{8}

r=\frac{-3\frac{+}{}\sqrt[]{-23}  }{8}

It has no real solution because the square root is negative.

We can say that,

r=-\frac{3}{8} \frac{+}{}\frac{\sqrt[]{23}*\sqrt[]{-1}  }{8}

r=-\frac{3}{8} \frac{+}{}\frac{\sqrt[]{23}i }{8}

r_1=-0.375+0.599479i\\r_2=-0.375-0.599479i

5 0
3 years ago
owen and rose each thought of a linear function. Owen's function is y = 3 4 x + 1, and rose's function is shown in the graph. Wh
slega [8]

Answer:

D) Owen’s function has a greater slope, and Rose’s function has a greater y-intercept

Step-by-step explanation:

slope-intercept form of linear equation: y = mx + b

(where m is the slope and b is the y-intercept)

Slope = change in y ÷ change in x

y-intercept is where the line crosses the y-axis

Owen: y = (3/4)x + 1

Rose: y = (2/3)x + 2

Owen's function has a greater slope, since 3/4 > 2/3

Rose's function has a greater y-intercept, since 2 > 1

4 0
3 years ago
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