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zhannawk [14.2K]
3 years ago
13

A parallelogram with perpendicular diagonals is a

Mathematics
1 answer:
Anestetic [448]3 years ago
8 0
Rhombus. The diagonals of a rhombus are parallel, and each diagonal bisect two angles of the rhombus.

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I need help with this 20 points
iren2701 [21]

Answer:

I dont understand that sorry

4 0
3 years ago
Read 2 more answers
9<br> 60°<br> A) x = 18, y=9V6<br> B) x=9V3, y=9V3<br> C) x = 18, y=9V3<br> D) x =9V3, y=9V6
lesantik [10]

Answer:

C. x = 18, y = 9\sqrt{3}

Step-by-step explanation:

In a 30-60-90 triangle,

longer leg = \sqrt{3} (shorter leg)

hypontenuse = 2(shorter leg)

In your case, the shorter leg = 9

therefore, y = 9\sqrt{3}    and x = 2(9) = 18

7 0
3 years ago
15x+18y = -4 in slope intercept form
Alex Ar [27]

Answer:

y= -5/6x-2/9

the / is a fraction

Step-by-step explanation:

3 0
3 years ago
How to graph 2x-y=3
WINSTONCH [101]
First you would need to convert the equation to match the y = mx + b format. 

Subtract 2x from both sides to get -y = -2x + 3 

Then, divide -1 (because that's the coefficient to -y, on all values, turning to equation into 
y = 2x - 3 (negative and negative makes a positive that's why the 2 value is now positive) in order to make the y value positive.

Our y intercept is -3 so start your graphing line on the -3 value on the x axis. 

Our slope is 2/1 which means to go up 2 point and right 1 point, since it's a positive slope.

You can mark every point in order to get a more accurate line and just connect the dots from there. Be sure to use a ruler or some sort of straightedge for a better line.

Hope this helped :)
5 0
3 years ago
Read 2 more answers
Shane decided to dig his garden.On the first fine day,he dug 1/3 of it.On the second day he dug only 1/4 of it before it started
jeka94

Answer:

I think 1/4

Step-by-step explanation:

So, you first should find a common denominator so you can add the fractions together.

So, 1/4 + 1/3 + 1/6 becomes 3/12+4/12+2/12.

Add that up, you get 9/12.

Simplify.

9/12 = 3/4

3/4 is how much is dug out. 4/4 - 3/4 is 1/4. That's how much for digging is left, I believe.

6 0
2 years ago
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