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3 years ago

Please help, I have to do 10 of these

Mathematics

1 answer:

DerKrebs [107]3 years ago

4 0

PLEASE MARK BRAINLIEST!

Answer:

x= -1 and -2

Step-by-step explanation:

5x + 9 < 7

5x < -2

x < -.04

the only integers 5 can be multiplied by to get a number less than -.04, greater than or equal to -2, and less than or equal to 5 are -1 and -2

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Find the mean and the median of this data: 9, 6, 5, 3, 28, 6, 4, 7.

Marrrta [24]

Answer: 9 is mean and median is 6

Step-by-step explanation:

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2 years ago

Which letter represents the location of -2? *

Sophie [7]

Answer:

C is -2

Step-by-step explanation:

because A its 6

B its 2

C its -2

D -6

hope this helps

5 0

3 years ago

Read 2 more answers

1+Sin/Cos + Cos/1+Sin = 2Sec

Bond [772]

Step-by-step explanation:

Consider the left-hand side:

$\dfrac{1+\sin{\theta}}{\cos{\theta}} + \dfrac{\cos{\theta}}{1+\sin{\theta}}$

$\:\:\:\:= \dfrac{(1+\sin{\theta})^2 + \cos^2{\theta}}{\cos{\theta}(1+\sin{\theta})}$

$\:\:\:\:=\dfrac{1+2\sin{\theta}+\sin^2{\theta} + \cos^2{\theta}}{\cos{\theta}(1+\sin{\theta})}$

$\:\:\:\:=\dfrac{2+2\sin{\theta}}{\cos{\theta}(1+\sin{\theta})} =\dfrac{2(1+\sin{\theta})}{\cos{\theta}(1+\sin{\theta})}$

$\:\:\:\:= \dfrac{2}{\cos{\theta}} = 2\sec{\theta}$

7 0

3 years ago

Given: ΔABC with vertices A(-3,0), B(0,6), and C(4,6),

tamaranim1 [39]

9792381 ÷ 13ven: ΔABC with vertices A(-3,0), B(0,6), and C(4,6),

find equation of the three altitudes in

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1 year ago

Please please help !!

Softa [21]

Step-by-step explanation:

As the problem said, you need to submit a picture of your own work, but I can help nevertheless.

Blank 1:

$\tan 70=\frac{x}{300}\\x=300\tan70 \approx \boxed{824.24}$

Blank 2:

$\tan 53=\frac{x}{300}\\x=300\tan53 \approx \boxed{398.11}$

Blank 3:

$300\tan(70)-300\tan(53)\approx\boxed{426.13}$

4 0

3 years ago