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telo118 [61]
3 years ago
7

Your parents are ordering your school pictures. They order one 8 × 10 (8 inches by 10 inches), two 5 × 7's, and 8 wallet size (2

.5 inches by 3.25 inches). Which of the pictures are similar in dimension?
Mathematics
2 answers:
Dvinal [7]3 years ago
6 0
The 8x10 and 2.5x3.25 are closest in ratio.
Ksenya-84 [330]3 years ago
3 0

Answer:

Step-by-step explanation: its 5X7

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Three questions about areas of triangles
masha68 [24]

Answer:

How to find the area, how to find the high, and how to find the side.

Step-by-step explanation:

Yep that's all.

3 0
2 years ago
Box A contains 1 black and 3 white marbles, and box B contains 2 black and 4 white marbles. A box is selected at random, then a
Anna11 [10]

Answer: Probability that Box A was chosen given that black marble is chosen is 0.5.

Step-by-step explanation:

Since we have given that

Number of boxes = 2

In Box A,

Number of black marbles = 1

Number of white marbles = 3

In Box B,

Number of black marbles = 2

Number of white marbles = 4

Since black marble is selected.

So, using Bayes theorem , we get that

P(E_1|B)}=\dfrac{P(E_1).P(B|E_1)}{P(E_1).P(B|E_1)+P(E_2).P(E_2|B)}\\\\P(E_1|B)=\dfrac{0.5\times \dfrac{1}{3}}{0.5\dfrac{1}{3}+0.5\times \dfrac{2}{6}}\\\\P(E_1|B)}=\dfrac{0.167}{0.167+0.167}\\\\P(E_1|B)}=0.5

Hence, probability that Box A was chosen given that black marble is chosen is 0.5.

3 0
2 years ago
A cubical swimming pool is of side 12m is filled with water up to a depth of 2m. What is the quantity of water in the pool in li
andrezito [222]

Volume is Length x Width x height.

The pool is cubical, so the length and width are the same dimension.

First find the volume of the pool that is filled by water:

Volume = 12 x 12 x 2 = 288 cubic meters.

Now convert cubic meters to liters:

1 cubic meter = 1,000 liters

288 x 1000 = 288,000 liters

7 0
3 years ago
5. What is the equation of the tangent line to the circle x^2+y^2=1 through the point (6,0)?
notka56 [123]

Answer:

There is no tangent line of the given circle at (6, 0).

Step-by-step explanation:

Given equation of the circle,

x^2 + y^2 = 1

∵ equation of a circle is (x-h)^2 +(y-k)^2 = r^2,

Where, (h, k) is the center of the circle and r is the radius,

By comparing,

Center of the given circle = (0, 0),

Radius of the circle = 1 unit

Now, check whether point (6, 0) lie on the circle,

if x = 6, 6^2 + y^2 = 1

36 + y^2 = 1

y^2 = 1- 36

y= i\sqrt{35}\neq 0

i.e., (6, 0) does not lie on the circle,

Hence, there is no tangent line of the given circle at (6, 0).

3 0
3 years ago
Answer both questions please!!! I need help....
Temka [501]

Answer

The first one is equal and the second one is the first choice.

6 0
3 years ago
Read 2 more answers
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