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3 years ago

Please help with this math question!

Mathematics

1 answer:

Aleks [24]3 years ago

4 0

Answer:

(-1,5) (3, 1/125)

Step-by-step explanation:

I used desmos to graph the equation then the points attached you will see the screenshot so you can be sure. The points are the same color as the circle on the left side of the point. Hope this helps!

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What is the standard form of 1.46e-6

GalinKa [24]

Standard form would be 1.46e-6 because the variable has one degree and the number 6 does not have a degree.

3 0

3 years ago

Find the length of the line PA.

Diano4ka-milaya [45]

RO divides the rectangle into two congruent right triangles.

The area of the one triangle is equal half area of the rectangle.

Calculate the area of rectangle:

$A_R=lw\\l=12,\ w=5\\\\A_R=12\cdot5=60$

The area of right triangle:

$A_T=\dfrac{1}{2}A_R\to A_T=\dfrac{1}{2}\cdot60=30$

Use the Pythagorean theorem to calculate the length of RO:

$|RO|^2=5^2+12^2\\\\|RO|^2=25+144\\\\|RO|^2=169\to|RO|=\sqrt{169}\to|RO|=13$

The formula of an area of this right triangle is:

$A_T=\dfrac{1}{2}|RO||PA|$

Therefore we have the equation:

$\dfrac{1}{2}(13)|PA|=30\qquad|\cdot2\\\\13|PA|=60\quad|:13\\\\|PA|=\dfrac{60}{13}\\\\|PA|\approx4.62$

8 0

3 years ago

The temperature on a winter night is 8 Fahrenheit. The temperature decreases by 14 Fahrenheit. What is the new temperature, in d

-BARSIC- [3]

Answer: -6 (8-14=-6)

Step-by-step explanation:

8-14 = -6

7 0

4 years ago

Write a number in which the value of the 3 is 10 times the value of the digit 3 in 156.32

Marat540 [252]

Answer:

1563.2

Step-by-step explanation:

If you just multiply 0.3 by 10 you will get 3

Now all you need to do is write 3 or have a number which has unit place value of 3

5 0

3 years ago

Read 2 more answers

How do you solve this?

BARSIC [14]

7x+2=5(x-2)
7x+2=5x-10
7x-5x=-10-2
2x=-12
x=-6

Regards M.Y.

6 0

3 years ago