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ANEK [815]
3 years ago
5

Need more help again

Mathematics
1 answer:
Fittoniya [83]3 years ago
5 0

Answer:

QSR = 68º

Step-by-step explanation:

TSQ + QSR = TSR

15x + (10x - 2) = 173

Combine like terms

25x = 175

Divide both sides by 25

x = 7

QSR = 10x - 2

QSR = 10(7) - 2

QSR = 68º

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Naddika [18.5K]

Answer: Vertex : Maximum (2, 0)

Rules:

  • (x + d)² = x² + 2dx + d²    and   (x - d)² = x² - 2dx + d²
  • x² + 2dx = (x + d)² - d²   and  x² - 2dx = (x - d)² - d²

Solve:

x² - 4x + 4

x² - 2(2x) + 2²

(x - 2)²

Into vertex form: a(x - h)² + k

1(x - 2)² + 0

Identify:

vertex : (h, k) = (2, 0)

Find additional things, to graph the equation:

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(ii) y-intercept: (0, 4)

Graph shown:

3 0
2 years ago
Read 2 more answers
Solve 4 square root of 3 = 8cos
sukhopar [10]

Therefore \theta = 30^\circ

Step-by-step explanation:

Given,

4\sqrt{3 } =8 cos \theta

\Leftrightarrow cos \theta =\frac{4\sqrt{3} }{8}

\Leftrightarrow cos \theta =\frac{\sqrt{3} }{2}

\Leftrightarrow cos \theta =cos 30^\circ

\Leftrightarrow  \theta = 30^\circ

Therefore \theta = 30^\circ

4 0
3 years ago
Why are the following expressions not<br> monomials?<br> 3xy^Z<br> 1-2s<br> (ab)^1/2
Natalka [10]

3xy^z: exponent is not a nonnegative int.

r-2s: it is not a product

(ab)^1/2: exponent is not a nonnegative int.

8 0
3 years ago
Whats 95 + r = 2,736-2
babymother [125]

Answer:

r=2639

Steps below

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

95+r=2736−2

95+r=2736+−2

r+95=(2736+−2)(Combine Like Terms)

r+95=2734

r+95=2734

Step 2: Subtract 95 from both sides.

r+95−95=2734−95

r=2639

Hope this helps.

8 0
3 years ago
Airplane tickets to Fairbanks Alaska, will cost $958 each. Airplane tickets to Vancouver but I will call $734. How much can a fo
Over [174]
4 Tickets to alaska will cost 3832$. 4 Tickets to Vancouver however will cost 2938$. 3832$ - 2938$ = 894$. They will save 894$
8 0
3 years ago
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