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Pavlova-9 [17]
2 years ago
6

I need the answer for both questions btw its 1 problem I'll give you brainlist if you get it correct i need it asap

Mathematics
1 answer:
nasty-shy [4]2 years ago
7 0

Answer:

1.) B (Real Numbers)

2.) A

Step-by-step explanation:

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The equation we are given (-at² + bt + c) is a parabola. How do we know this?
Scrat [10]

It's a polynomial of degree 2. Every polynomial of degree 2 is a parabola

4 0
3 years ago
Taiga wants to make a circular loop that she can twirl around her body for exercise. He will use a tube that is 2.5 meters long.
Travka [436]

Answer: 0.796 meters

Step-by-step explanation:

Circumference of circle = 2\pi r , where r=radius

Here, Circumference of loop = 2.5 meters

i.e. 2\pi r=2.5

\Rightarrow\ r=\dfrac{2.5}{2\pi}

\Rightarrow\ r=\dfrac{2.5}{2\times\dfrac{22}{7}}\\\\\Rightarrow\ r=\dfrac{2.5\times7}{2\times22}\\\\\Righttarrow\ r=0.398\ m

Diameter = 2r = 2(0.398) = 0.796 meters

Hence, The diameter of Taiga's exercise hoop = 0.796 meters

7 0
3 years ago
justin paid $1,185 in sales tax on her new car. The car cost $15,800 before taxes. What percent was the sales tax rate?
soldi70 [24.7K]

Answer:

The percentage is 7.5%

7 0
3 years ago
Translate this phrase into an algebraic expression.<br> 61 less than twice Greg's score
marishachu [46]
I think the answer is x times 2 - 61
5 0
3 years ago
Determine the translation
arsen [322]

Answer:

<em>1 unit left and 7 units up</em>

Step-by-step explanation:

|3 - 2| = |1| = 1

The x-coordinate when from 3 to 2, so it is 1 unit left.

|-4 - 3| = |7| = 7

The y-coordinate when from -4 to 3, so it is 7 units up.

7 0
3 years ago
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