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AfilCa [17]
2 years ago
9

How to graph y=-5x as a linear equation

Mathematics
1 answer:
Lapatulllka [165]2 years ago
6 0

Answer:

I'm going to help you through this...

Step-by-step explanation:

1. Draw your line through the middle of the equal sign

2. How do you get x by itself? You divide the -5 by -5 because those two cross out.

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Which of the following are accurate factors of 3x2 – 75 when multiplied together? Select the two correct answers. (2 poin
Leokris [45]

Answer:

First and last

Step-by-step explanation:

3 0
3 years ago
Solve 2csc^2x-2cscx-1=0 <br> for 0° ≤ x ≤ 360°
umka21 [38]

Answer:

Step-by-step explanation:

2 csc²x-2 csc x-1=0

or

\frac{2}{sin^2x} -\frac{2}{sin x} -1=0\\multiply~by~sin^2x\\2-2sin~x-sin^2x=0\\sin^2x+2sinx-2=0\\sin ~x=\frac{-2 \pm\sqrt{2^2-4*1*(-2)} }{2*1} \\=\frac{-2 \pm\sqrt{4+8} }{2} \\=\frac{-2 \pm\sqrt{4*3} }{2} \\=\frac{-2 \pm2\sqrt{3} }{2} \\=-1\pm\sqrt{3} \\|sin~x| \le ~1\\so~sin~x=-1+\sqrt{3} \\sin~x=\sqrt{3} -1\\x=sin^{-1}(\sqrt{3} -1) \approx 47.06^\circ,180-47.06\\or~x=47.06^\circ,132.94^\circ

6 0
2 years ago
On the scale model, the distance between the wheels on the left and the wheels on the right is 1 1/4 inches. The state of Wyormi
avanturin [10]

Answer:

No, modern train cannot travel on old railroad.

Step-by-step explanation:

In rail transport, track gauge is the spacing of the rails on a railway track and is measured between the inner faces of the load-bearing rails.

Most of the modern train are based on broad gauge. The separation in broad gauge is about 5 ft and 6 inches and in the standard gauge the separation between the tracks is 4 ft and 8\frac{1}{2} inches. So for the modern train it is not possible to travel on the tracks whose separation is no more than 4.5 feet.

8 0
3 years ago
$9500 is invested, part of it at 11% and part of it at 8%. For a certain year, the total yield is $937.00. How much was invested
netineya [11]

Answer:

5900 at 11%

3600 at 8%

Step-by-step explanation:

x= invested at 11%

y= invested at 8%

x+y=9500

.11x+.08y=937

Mulitply the first equation by .11

.11x+.11y= 1045

Subtract this and the second equation

(.11x+.11y)-(.11x+.08y)=1045-937

.03y=108

y=3600

SOlve for x

x+3600=9500

x=5900

8 0
3 years ago
The partial factorization of x2 – x – 12 is modeled with algebra tiles.
andre [41]
Hello :
to complete the factorization <span>unit tiles are needed :
</span>"3 negative unit tiles" and "<span>4 positive unit tiles"because : -3 and 4 are roots for
x²-x-12 
x²-x-12 = (x+3)(x-4)</span>
7 0
2 years ago
Read 2 more answers
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