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Marianna [84]
3 years ago
10

Do yall know this ? (2)

Mathematics
1 answer:
Flauer [41]3 years ago
6 0
Nope we don’t know that
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Find the area of the parallelogram, trapezoid, rhombus, or kite. Round to the nearest tenth, if necessary.
Sergeeva-Olga [200]

Answer:

  • 69.3 yd²

Step-by-step explanation:

Area equation of the parallelogram

  • A = bh, where b- base, h - height

Looking at the picture, we can see the right triangle is isosceles as one of interior angles is 45°. It has hypotenuse of 7 and legs of h.

As per property of 45° right triangle the hypotenuse is √2 times the leg.

It gives us

  • h√2 = 7 ⇒ h = 7/√2 = 4.95 (rounded)

Now find the area

  • A = 14*4.95 = 69.3 yd²
4 0
2 years ago
Simplify 5x−4y+2(y+x)
RSB [31]

Answer:

7x -2y

Step-by-step explanation:

5x−4y+2(y+x)

Distribute

5x -4y +2y +2x

Combine like terms

5x +2x    -4y +2y

7x -2y

7 0
4 years ago
PLS HELP WILL MARK BRAINIEST!!!! TY
Akimi4 [234]

Answer:

it's "vertical angles and linear pair theorem"

Step-by-step explanation:

8 0
2 years ago
(2t-3)^3, can you help me?, please?
grandymaker [24]

Answer:

8t^3-36t^2+54t-27

Step-by-step explanation:

(2t-3)^3

(2t-3)(2t-3)(2t-3)

Multiply the first two terms

(4t^2 -6t -6t+9)(2t-3)

Combine like terms

( 4t^2 -12t +9) ( 2t-3)

Multiply

2t*( 4t^2 -12t +9) -3 ( 4t^2 -12t +9)

Distribute

8t^3 -24t^2 +18t-12t^2 +36t-27

Combine like terms

8t^3-36t^2+54t-27

6 0
3 years ago
Read 2 more answers
Sakura speaks 150150150 words per minute on average in Hungarian, and 190190190 words per minute on average in Polish. She once
d1i1m1o1n [39]

Answer:

300 words in Hungarian and 570 in Polish.

Step-by-step explanation:

I guess you need to know the number of words in Hungarian and in Polish.

Let H be the words he said in Hungarian, and P the words he said in Polish.

We are told that Sakura uttered a total of 270 more words in Polish than in Hungarian, therefore:

P = H + 270

And that I speak for 5 minutes, we know that the speed of words in Hungarian is 150 and in Polish it is 190, therefore:

5 = H / 150 + P / 190

Thus we have two equations and two unknowns, that is, it has a solution, replacing P:

5 = H / 150 + (H +270) / 190

5 = (190 * H + 150 * H + 270 * 150) / (150 * 190)

5 * 150 * 190 = 340 * H + 270 * 150

H = (5 * 150 * 190 - 270 * 150) / 340

H = 300

Therefore he said 300 words in Hungarian.

In Polish it would be:

P = 300 + 270 = 570

To check we have to:

300/150 + 570/190 = 5

Therefore, Sakura giving the instructions said 300 words in Hungarian and 570 in Polish.

8 0
3 years ago
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