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nlexa [21]
1 year ago
7

Find the measure of the missing angle. 42°

Mathematics
1 answer:
ella [17]1 year ago
8 0
90° angle

90° - existing 42°

the missing angle is 48°
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If the function rule is 5x, what is the value when x = 3?<br> A 5<br> B 10<br> D 15<br> C 20
tankabanditka [31]

Answer:

D 15

Step-by-step explanation:

5x when x=3

=5×3

=15

7 0
3 years ago
PLEASEEEEEEEEEEEEEEEEEEEE HELP MEE YALL WITH ALL 4 QUESITONS
ValentinkaMS [17]

Answer:

Step-by-step explanation:

17. Domain is all real numbers because the equation has a y-value for all x-values as far as we can see with the information given.

18. Range is 3< y <8, because the equation only has values for x where y is between those numbers.

19. Range is 3> y >-∞ (negative infinity) because the parabola's vertex has a y-coordinate of 3 and the parabola goes on forever in the negative direction (as seen by the arrows).

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6 0
2 years ago
(1 point) (a) The Cartesian coordinates of a point are (1,1). (i) Find polar coordinates (r,θ) of the point, where r&gt;0 and 0≤
Gre4nikov [31]

Answer:

P(1, π/4)

P(-1, π/4)

P(4, 5π/6)

P(-4, 5π/6)

Step-by-step explanation:

Knowing the formulas

r = √(x²+y²)

θ = Arctg (y/x)

we have

a) P(1, 1)

i)  

r = √(1²+1²) = +1

r = +1

θ = Arctg (1/1) = π/4

P(1, π/4)

ii) r = √(1²+1²) = -1

r = -1

θ = Arctg (1/1) = π/4

P(-1, π/4)

b) P(2√3, -2)

i)  

r = √((2√3)²+(-2)²) = +4

r = +4

θ = Arctg (-2/2√3) = 5π/6

P(4, 5π/6)

ii)

r = √((2√3)²+(-2)²) = -4

r = -4

θ = Arctg (-2/2√3) = 5π/6

P(-4, 5π/6)

5 0
3 years ago
Determine if there is a proportional linear relationship. Explain your reasoning.
Rzqust [24]

Answer:

Increase of 2°F/h..... Option 4.

Step-by-step explanation:

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The initial temperature at x = 0 hour is 52°F and then the temperature increases by 2°F per one hour time spent.

Therefore, the temperature is increasing at a constant rate of 2°F per hour from an initial value of 52°F.

Hence, option 4 is correct.

5 0
3 years ago
Find the area of the figure <br><br> 28 cm^2<br> 56 cm^2<br> 132 cm^2<br> 144 cm^2
Finger [1]
I think the answer is 56cm^2
5 0
2 years ago
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