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3 years ago

12

How are line kl and mn related

1 answer:

zvonat [6]3 years ago

6 0

These lines are perpendicular

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notsponge [240]

Answer:

∠1=140

Step-by-step explanation:

∠1=∠3 ( corresponding angles)

20x+60=30x+20

-20x+30x=60-20

10x=40

x=4

∠1=20x+60=20(4)+60=140

3 0

2 years ago

The walls in a room are being painted. If 4 cans cover 480 sq ft then how many cans cover 840 sq ft?

solong [7]

Answer:

7 cans

Step-by-step explanation:

You will first have to divide 480 by 4

The anwser is 480 ÷ 4 = 120

Then you will have to 840 ÷ 120 = 7

<h2>The answer is 7 cans </h2>

5 0

3 years ago

Read 2 more answers

What is the third quartile of this data set?<br> 21, 24, 25, 28, 29, 35, 37, 43, 44

Ronch [10]

Answer:

43.5

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Find the equation of the axis of symmetry of the parabola.

Stolb23 [73]

Answer:

Just substitute 0 instead of f (x),therefore

$x { }^{2} - 12x + 36 \\ x = 6$

The answer option is C

7 0

3 years ago

Pls help me i will mark brainliest if you are right !

tekilochka [14]

Answer:

second option

Step-by-step explanation:

diameter= 22 cm

radius = diameter/2

=22/2

11 cm

volume of a sphere = $\frac{4}{3}*pie* r^3$

= $\frac{4}{3} * 3.14 *11^3$

=4.186666 * 1331

=5572 . 5 cubic centimeters (cm^3)

5 0

3 years ago