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ValentinkaMS [17]
4 years ago
10

Which of the following is a statistical question?

Mathematics
2 answers:
Ann [662]4 years ago
6 0
This has to be D because its asking about all the US presidents
balandron [24]4 years ago
3 0

Answer:

D. How old was each U.S. President when he was elected?

Step-by-step explanation:

You might be interested in
The graph of the equation x^2+6x+y^2-16y=-9 is a circle. Choose True or False for each statement
BigorU [14]

Answer:

see the explanation

Step-by-step explanation:

we have

x^2+6x+y^2-16y=-9

<u><em>Convert the equation of the circle in center radius form</em></u>

Group terms that contain the same variable

(x^2+6x)+(y^2-16y)=-9

Complete the square twice. Remember to balance the equation by adding the same constants to each side

(x^2+6x+9)+(y^2-16y+64)=-9+9+64

(x^2+6x+9)+(y^2-16y+64)=64

Rewrite as perfect squares

(x+3)^2+(y-8)^2=8^2

The center of the circle is (-3,8)

The radius of the circle is 8 units

<u><em>Verify each statement</em></u>

A. The center of the circle is (3,-8).

False

The center of the circle is (-3,8)

B. The circle is tangent to the x-axis

True

The circle is tangent to x=5 and x=-11 and is tangent to y=0 and y=16

Remember that y=0 is the x-axis

C. The circle has a radius of 64

False

The radius of the circle is 8 units

7 0
3 years ago
f)un alpinista esta escalando una montaña de 6500 metros de altura .Si el primer día avanza 2780 metros y al tercer dia llega al
charle [14.2K]

Answer:

Segundo día: 3,720 metros

Step-by-step explanation:

6500 - 2780 (primer dia) = 3,720

No tenemos que solucionar cuanto en el tercer dia pq llego ala sima ese dia.

7 0
3 years ago
What value is equivalent to 3 × 10 − 2(12 − 3 × 3)? A) -24 B) 24 C) 252 D) 756
Scrat [10]

Answer:

B) 24

Step-by-step explanation:

  • 3×10 - 2(12 - 9)
  • 3 × 10 - 2× 3
  • 30 - 6=24

8 0
3 years ago
Ice-cream palace has received an order for 3 gallons of ice cream the shop packages its ice cream in 1 quart containers
mamaluj [8]
If you are asking how many quart containers there would be it would be 12
8 0
3 years ago
What is perimeter and area of this object?
Artist 52 [7]

Answer:

Step-by-step explanation:

You have a circle with radius r = 3 ft and a 3-by-12 rectangle.

Area of circle = πr² = 9π ft²

Area of rectangle = 3 × 12 = 36 ft²

Total area = 36 + 9π ≈ 64.3 ft²

Perimeter of circle = 2πr = 6π ft

Perimeter of rectangular projections = 18 ft

Total perimeter = 6π +18 ≈ 36.8 ft

8 0
3 years ago
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