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astraxan [27]
2 years ago
14

Which of these polygons do not belong a square a triangle a hexagon or a rectangle

Mathematics
1 answer:
Vesna [10]2 years ago
6 0
Hexagon does not belong
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Carl earned grades of 62 78 59 and 89 on four math tests what is the mean if his grades
cluponka [151]

Answer:

The answer is 72

Step by step Explanation:

You add 62 + 78 + 59 + 89

And it equals 288

Then divide that answer by 4

And the answer is 72

5 0
3 years ago
Read 2 more answers
I need answers asappp
aivan3 [116]

Answer:1)5x^2-11x

             2) x^2-3x

Step-by-step explanation:

1)(f+g)(x)

f(x)=3x-7

g(x)= 2x-4

[(3x-7)+(2x-4)](x)

3x^2-7x+2x6^2-4x

=<u>5x^2-11x</u>

2) (f-g)(x)

[(3x-7)-(2x-4)](x)

(3x-7-2x+4)(x)

3x^2-7x-2x^2+4x

x^2-3x

4 0
3 years ago
Which of the following is a solution of x2 + 6x = −18?
Rus_ich [418]
X= 9/4 i think i dont know
6 0
2 years ago
PLEASE HELP MEEEEEEEE AND THANKS
VashaNatasha [74]

Answer:

See below

Step-by-step explanation:

Use 5 for "x" or "a number" and see if the inequality is true.

a) =3 < 5+11 < 2 . . . . false. 16 is not less than 2

b) 7·5 ≥ 35 or 4·5 < -12 . . . . true. 35 = 35

c) -7 + 2·5  = 3 is at most 2 . . . . false. 3 > 2

d) 5·5 +3 = 28 is between 2 and 30 . . . . true.

3 0
3 years ago
Analyze the diagram below and complete the instructions that follow. Find the area of QRS.
11Alexandr11 [23.1K]

<u>Answer-</u>

<em>The area of QRS is </em><em>238.7</em><em> sq units.</em>

<u>Solution-</u>

According to properties of supplementary angles,

m\angle R+124=180\\\\m\angle Q+132=180

So,

\Rightarrow m\angle R=180-124=56,\ m\angle Q=180-132=48

As the sum of measurement of all the angles in a triangle is 180, so

\Rightarrow m\angle S+m\angle R+m\angle Q=180

\Rightarrow m\angle S=180-m\angle R-m\angle Q

\Rightarrow m\angle S=180-56-48=76

Then the area of the triangle will be,

\text{Area}=\dfrac{1}{2}qr\sin S

=\dfrac{1}{2}\times 21\times 23.43\times \sin 76

=238.7\text{sq.units}

8 0
3 years ago
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