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2 years ago

Consider the following data:

Mathematics

1 answer:

-BARSIC- [3]2 years ago

8 0

Answer: x =6

Step-by-step explanation:

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A consumer report counted 72 low quality, 112 medium quality, and 711 high quality computers based on a random sample. The repor

RUDIKE [14]

Total number of computers in sample = 72 + 112 + 711 = 895.
P(LQ) = 72/895 = 0.08
P(MQ) = 112/895 = 0.125
P(HQ) = 711/895 = 0.794

3 0

3 years ago

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Write the equation of a circle centered at the

Fudgin [204]

Answer:

$(x+4)^2+(y+6)^2=100$

Step-by-step explanation:

Given a circle centred at the point P(-4,-6) and passing through the point

R(2,2).

To find its equation, we follow these steps.

Step 1: Determine its radius, r using the distance formula

For point P(-4,-6) and R(2,2)

$\text{Distance Formula=}\sqrt{(x_2-x_1)^2+(y_2-y_1)^2} \\\text{Radius=}\sqrt{(2-(-4))^2+(2-(-6))^2} \\=\sqrt{(2+4))^2+(2+6)^2}\\=\sqrt{6^2+8^2}\\=\sqrt{100}\\Radius=10$

Step 2: Determine the equation

The general form of the equation of a circle passing through point (h,k) with a radius of r is given as: $(x-h)^2+(y-k)^2=r^2$

Centre,(h,k)=P(-4,-6)

r=10

Therefore, the equation of the circle is:

$(x-(-4))^2+(y-(-6))^2=10^2\\\\(x+4)^2+(y+6)^2=100$

3 0

3 years ago

7(6+d)=49 Solve for d. A:d=7 B:d=-1 C:d=-7 D:d=1

Elan Coil [88]

Answer: d = 1

Step-by-step explanation:

First distribute the 7 to each term of (6 + d) = 42 + 7d = 49 now subtract 42 from both sides which = 7d = 7. Divide by 7 = 7d/7 = 7/7 = d = 1

3 0

3 years ago

There are about 795 house in this region . the average family size is 6 people . there

jekas [21]

Answer:

4770 people

Step-by-step explanation:

795*6= 4770

7 0

3 years ago

Supervisor: "Congratulations. You received a score of 3.4 on your annual review. Merit increases are given out starting at .5% a

Brut [27]

The employee will need to figure out how many groups of 0.4 points they have beyond a score of 2.6. To do this subtract 3.4 and 2.6.

3.4 - 2.6 = 0.8
This is two groups of 0.4.

So, 0.5% + 1% + 1%= 2.5 % pay increase.

8 0

3 years ago

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