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Ede4ka [16]
3 years ago
6

(5x^2-2x) + (10x^2-3x-1)​

Mathematics
1 answer:
marysya [2.9K]3 years ago
7 0

Answer:

15x2-5x-1

Step-by-step explanation:

that 2 is a exponet i dont have the right button

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Step-by-step explanation:

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3 years ago
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4 Math Questions<br> 1.) a^2-10a=4<br> 2.) x^2+20x-18=3<br> 3.) (x-5)^2=1<br> 4.) x^2-18x=65
natima [27]

1) a=5+√29 or a=5−√29 2) x=1 or x=−21 3) x=4 or x=6 4) x=9+√146 or x=9−√146 Hopefully that helps you ❤

8 0
4 years ago
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Which of the following shows 2x3y-3x2+7yx-12y written in standard form
AysviL [449]
2x^(3)y+7xy-3x^(2)-12y

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3 0
4 years ago
Tell whether the pair of polygons is similar. Explain why or why not. (3 points) I get the general idea of this but I’m having t
masha68 [24]

Answer:

PQRS and TUVW are similar.

Step-by-step explanation:

We are give two polygons.

Sides of first polygon are :

PQ = 8 ft

QR= 13ft

RS = 8ft

PS = 13ft.

Sides of second polygon:

TW = 2.4 ft

TU = 5.2 ft

UV = 2.4 ft

VW = 5.2 ft.

We can see that PQRS and TUVW are parallelograms.

Note: <em>If an angle of a parallelogram is equal to an angle of another parallelogram then parallelograms would be similar.</em>

We can see that <Q ≅ <T = 120°.

<h3>Therefore, PQRS and TUVW are similar.</h3>

5 0
3 years ago
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What is the perimeter of this rectangle?
Slav-nsk [51]

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4 years ago
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