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3 years ago

Been struggling with these problems can anyone help me 19,21,23,25,27,28,30

Mathematics

2 answers:

Vlada [557]3 years ago

6 0

19- would be -6+8 which equals 2

21- 8(2.1)-12 which equals 16.8-12 which is 4.8
23- 17 divided by 10 equals 1.7

FrozenT [24]3 years ago

3 0

21 = 4.8
8 x 2.1 = 16.8 - 12 = 4.8

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Whoever answers these 6 area of composite shapes will get brainliest.

german

Answer:

80 mi²
63 in²
32 m²
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Step-by-step explanation:

Q1

8 x 4 + 12 x 4
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Q2

5 x 3 + 12 x 4
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Q3

4 x 2 + 8 x 3
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Q4

10 x 4 + 2 x 2
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Q5

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2 years ago

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You’d receive back exactly 14 cents.

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3 years ago

Solve the triangle.

saw5 [17]

Answer:

Step-by-step explanation:

because c is shorter than a we know C is a smaller angle than A

so the first choice is out.

use the law of cosines to find b

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$b^{2}$ =1681+400-1326.787871

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3 years ago

natulia [17]

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Step-by-step explanation:

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3 years ago

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Phoenix [80]

Answer:

No.The answer should be -4.1

Step-by-step explanation:

1+4(3x-10)-12

5(3x-10)-12

15x-50-12

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x=-62/15

x=-4.1

6 0

3 years ago