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Oksanka [162]
3 years ago
15

Use the figure to find the measures of the numbered angles, help! 7,8,9

Mathematics
1 answer:
MakcuM [25]3 years ago
3 0

Answer:

7. 1- 107° 2- 73°

8. 3- 95° 4- 85°

9. 5- 49° 6- 131°

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The number of mosquitoes in Brooklyn (in
stealth61 [152]

Answer:

Maximum is 4

Step-by-step explanation:

M(x) is quadratic function, so we need to fin maximum.

m(x)=-x(x-4)

m(x)=-x^2+4x

To find a maximum we need to find m’

M’(x)=-2x+4

M’(x)=0 if x=2

The maximum is in the point x=2

M(2)=-2(2-4)=4

5 0
3 years ago
Read 2 more answers
Factor 1 and 2. You do NOT need to show or explain steps for 1-2.
kogti [31]

Answer:

Step-by-step explanation:

x² + 9x + 18 = x² + 6x + 3x + 18

                   = x(x + 6) + 3(x + 6)

                   = (x + 3)(x + 6)

x² + 16x + 63 = x² + 9x + 7x + 63

                     = x(x + 9) + 7( x+ 9)

                     = (x + 7)(x + 9)

y² + 13y + 36 = y²+ 9y + 4y + 36

                     = y(y + 9) + 4(y + 9)

                     = (y + 4)(y + 9)

(a). Factored form of the expression (y² + 13y + 36) is (y + 4)(y + 9).

Therefore, Lyndsey's answer is wrong.

(b). Factors are (y + 4) and (y + 9).

(c). Factored form of the expression should be (y + 4)(y + 9) instead of Lindsey's answer (y + 6)(y + 6).

8 0
3 years ago
A floor tile is shaped like a regular hexagon. The side lengths are 4 cm and the apothem 23‾√ cm.
Nata [24]

Answer:

<h2>41.57 cm²</h2>

Step-by-step explanation:

<h3>to understand this</h3><h3>you need to know about:</h3>
  • geometry
  • PEMDAS
<h3>tips and formulas:</h3>
  • area of a regular hexagon when apothem is given:½×P×A
<h3>let's solve:</h3>

parimeter of a regular hexagon:6a

therefore

=½×[4×6]×2√3 cm²

simplify parentheses:

=½×24×2√3 cm²

simplify fraction:

=24×√3 cm²

=41.57cm²

8 0
3 years ago
Read 2 more answers
Three coins are tossed. What is the possibility of tossing exactly one tail
lesya [120]

Answer:

Probability of getting at least 1 tail in 3 coin toss is 1−18=78

6 0
3 years ago
Find the missing side lengths and leave the radicals in the simplest form.
yKpoI14uk [10]

Answer:

y=\frac{9\sqrt{2} }{2} and x=9

Step-by-step explanation:

We can see that the triangle is a special triangle or isosceles triangle meaning that two angles/ two sides are the same.

y=\frac{9\sqrt{2} }{2}

To solve for x use Pythagorean Theorem.

a^2 + b^2 = c^2.

\frac{9\sqrt{2} }{2} +\frac{9\sqrt{2} }{2}=x^2\\\\\frac{81}{2} +\frac{81}{2} =x^2\\\\\frac{162}{2} =x^2\\\\x=\sqrt{\frac{162}{2} } =\sqrt{81} =9\\\\x=9

4 0
2 years ago
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