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KengaRu [80]
3 years ago
6

Train A departs station one traveling at 75 mph. Train N departs station two 30 minutes later traveling at 45 mph. The stations

are 300 miles apart. The equation below gives the distance between the trains, D, in miles as a function of, T, the time after Train B departs. D=|262.5-120T| For which two values of T will D=50? Round to the nearest tenth.
A)1.8 and 2.6
B)0.2 and 0.3
C)-17.8 and 26.0
D)-1.8 and 1.8
Mathematics
1 answer:
Paul [167]3 years ago
7 0

Answer:B

Step-by-step explanation:


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Is 0.6 repeating a rational number
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Any decimal number that is repeating can be written in the form <span>\frac{a}{b}</span> with b not equal to zero, so they are rational numbers.

The short answer is yes, 0.6 repeating is a rational number.

Hope this helped :)
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What is the probability that a marble chosen at random is
Brums [2.3K]

Answer:

P=\frac{6}{11}

Step-by-step explanation:

The probability can be defined as the ratio between the possible events and the total number of outcomes.

In this case, according to the image attached, the total number of outcomes is 11, because they are 11 marbles in total.

Now, the specific event is all shaded marbles or labeled with a multiple of 3. With this specific characteristics 6 marbles, because there are 5 shaded marbles and 6 is a multiple of 3. So, the possible events are 6.

Therefore, the probability is

P=\frac{6}{11}

The right answer is the last choice.

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3 years ago
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Find the surface area of the composite solid.
natulia [17]

Answer:

<h2>         1240.4 mm²</h2>

Step-by-step explanation:

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3 years ago
Hi! plz help it would mean a lot ty! and plz don't troll! first person who solves it get brainlist!
Margaret [11]

Answer:

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Step-by-step explanation:

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Katie wants to create a rectangular frame for a picture. She has 60 inches of material. If she wants the length to be 3 more tha
Fofino [41]

Answer:

Largest possible length is <em>21 inches</em>.

Step-by-step explanation:

Given:

Total material available = 60 inches

Length to be 3 more than twice of width.

To find:

Largest possible length = ?

Solution:

As it is rectangular shaped frame.

Let length = l inches and

Width = w inches

As per given condition:

l = 2w+3 ..... (1)

Total frame available = 60 inches.

i.e. it will be the perimeter of the rectangle.

Formula for perimeter of rectangle is given as:

P = 2 \times (Width + Length)

Putting the given values and conditions as per equation (1):

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l = 2\times 9+3\\\Rightarrow l = 21\ inch

So, the answer is:

Largest possible length is <em>21 inches</em>.

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