3 years ago

I need help for this please

Mathematics

1 answer:

shepuryov [24]3 years ago

8 0

Answer:

its blocked

Step-by-step explanation:

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The average score of all golfers for a particular course has a mean of 70 and a standard deviation of 3.5. Suppose 49 golfers pl

den301095 [7]

I don’t know the answer to that sorry

7 0

3 years ago

Hey conic section has the equation X+Y^2+ 12X + 8y= 48 determine the following type of conic domain and range axis of symmetry a

Afina-wow [57]

Answer:

Axis of symmetry are lines x=-6 and y=-4, center (-6,-4)

Step-by-step explanation:

Consideer the equation $x^2+y^2+12x+8y=48.$

First, complete perfect squares:

$(x^2+12x)+(y^2+8y)=48,\\ \\(x^2+12x+36-36)+(y^2+8y+16-16)=48,\\ \\(x+6)^2+(y+4)^2-36-16=48,\\ \\(x+6)^2+(y+4)^2=100.$

This equation represents a circle with center at point (-6,-4) and radius r=10.

Axis of symmetry are lines x=-6 and y=-4 (vertical and horizontal lines passing through the center).

5 0

4 years ago

Neil has 3 partially full cans of white paint. They contain 1/3 gallon. 1/5 gallon and 1/2 gallon of paint about how many paint

mariarad [96]

Answer:

About 1 gal

Step-by-step explanation:

When you are estimating with fractions, you should round them off to the closest integers that you can work with in your head.

⅓, ⅕, and ½ are all close to zero, but that's absurd, because Neil clearly has some paint .

Instead, let's estimate that ⅓ gal + ⅕ gal make about ½ gal.

They still have the other ½ gal, and

½ gal + ½ gal = 1 gal.

Neil has about 1 gal of paint.

3 0

3 years ago

Whats the inverse function of d(t)=70t

Charra [1.4K]

Answer:

d^-1(t)=t/70

Step-by-step explanation:

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3 years ago

On a skiing trip there are five people but only three pairs of skis how many different groups of three could ski

____ [38]

10 different groups can ski.

This is a combination of 5 items taken 3 at a time:
$_5C_3=\frac{5!}{3!(5-3)!}=\frac{5!}{3!2!}=\frac{120}{12}=10$

3 0

3 years ago