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TiliK225 [7]
2 years ago
5

How can you get the variable alone in the equation x ÷ 9 = 279?

Mathematics
1 answer:
labwork [276]2 years ago
5 0
D

Because to cancel out division you use multiplication
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What is the arc measure of D C in degrees
Mashutka [201]
Hello there!

Sense this is a 360 degree angle, it is divide by 2. This would then be considered 180. If you (noticed) on the other side, it shows us that . . .

AB=19 \\ and \ AB=CD

We then do (180-19)

DC= \ \boxed{161}
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3 years ago
What is the sum of 6 ×10^3 and3×10^2​​?
Andrews [41]

Answer:

6,300

Step-by-step explanation:

6000+300

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2 years ago
The area of a parallelogram is A = bh. What is the area, in square units, of a parallelogram with vertices (-3,2), (0,7), (7,7),
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The area is 35. Look at the sketch below for explanation!

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3 years ago
Yianni typed a 36-word paragraph in 2/3 of a minute<br> what is her typing speed in words per minute
elena-s [515]

I think it would be 54 words per minute

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4 0
3 years ago
3. Find an equation of a parabola with a vertex at the origin and directrix y = -3.5
Lina20 [59]

Answer:

y=\frac{1}{14}x^2

Step-by-step explanation:

we know that

The directrix of the parabola is perpendicular to the axis of symmetry of the parabola

In this problem  the directrix is y=-3.5

so

The axis of symmetry is parallel to the y-axis

we have a vertical parabola

Also, the vertex is at the origin

That means-----> the parabola open upward

The equation of a vertical parabola can be written as

x^2=4py

where

p is the distance between the vertex and the directrix

In this problem

the distance between the vertex and the directrix is 3.5

p=3.5 ----> the value of p is positive because the parabola open upward

substitute

x^2=4(3.5)y

x^2=14y

isolate the variable y

y=\frac{1}{14}x^2

7 0
3 years ago
Read 2 more answers
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