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Westkost [7]
3 years ago
8

Find the area of the polygons

Mathematics
1 answer:
andrew-mc [135]3 years ago
5 0

Answer:

1.) 17.5

2.) 120

3.) 372

Step-by-step explanation:

hope that helps

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Factor completely. x4+4x3−27x−108
padilas [110]

Answer:

Step-by-step explanation:

x^4+4x^3-27x-108\\=x^3(x+4)-27(x+4)\\=(x+4)(x^3-27)\\=(x+4)[x^3-3^3]\\=(x+4)(x-3)(x^2+3x+3)

6 0
3 years ago
Giving out brainlst to whoever can answer this
Harrizon [31]
100 - 5d + 10d = 130

5 x 20 = 100
5 x -d = -5d
3 0
4 years ago
Help ASAP! And explain!
stich3 [128]

Answer:

Option (2)

Step-by-step explanation:

Given:

AC is an angle bisector of ∠DAB and ∠DAB

m∠BCA ≅ m∠DCA

m∠BAC ≅ m∠DAC

To Prove:

ΔABC ≅ ΔADC

Solution:

               Statements                                  Reasons

1). m∠BCA ≅ m∠DCA                            1). Given

2). m∠BAC ≅ m∠DAC                           2). Given

3). AC ≅ AC                                            3). Reflexive property

4). ΔABC ≅ ΔADC                                 4). ASA property of congruence

Therefore, Option (2) will be the correct option.

4 0
3 years ago
Heeeeeeeeeeelp pls! I need this done very soon
Eddi Din [679]

Answer:

The scale factor is 0.5

It is a reduction

Step-by-step explanation:

∵ The length of the side of the first Δ = 3.4

∵ The length of the side of the second Δ = 1.7

∵ 1.7/3.4 = 1/2 = 0.5

∴ The scale factor is 0.5

∵ The second Δ is smaller than the first Δ

∴ It is a reduction

4 0
4 years ago
I need help on the circled ones!!
Brut [27]
For question number ten, the first polynomial is equivalent to 8x^8, the second is 6x^8, the third is 8x^8, and the fourth is 8x^8. So, you should circle the second second term.
For question number 11, the first term is 3^12, the second term is 3^20, the third term is 3^12, and the fourth term is 3^12. So you should circle the second term.
For question number 12, the first term is 49, the second term is 49, and the third term is -49, and the fourth term is -49. So, you should circle the first two or last two.
6 0
3 years ago
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