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nexus9112 [7]
3 years ago
7

A commuter train travels 65 miles in 27 minutes. What is its speed in miles per minute?

Mathematics
1 answer:
amm18123 years ago
5 0

Answer:

2.407407 miles per minute

Step-by-step explanation:

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Point O is the center of the circle. What is the value of X? <br> Answer options: 24, 15, 27, 20
Tanya [424]

Answer: FIRST OPTION

Step-by-step explanation:

To solve this problem you must apply the Intersecting Secant-Tangent Theorem. By definition, when a secant line and a tangent lline and a secant segment are drawn to a circle from an exterior point:

(Tangent\ line)^2=(Secant\ line)(External\ Secant\ line)

The total measure of the secant shown is:

18+Diameter

If the radius is 7, then the diameter is:

D=7*2=14

Therefore:

Secant\ line=18+14=32

You also know that:

External\ Secant\ line=18\\Tangent\ line=x

Keeping the above on mind, you can substitute values and solve  for x:

x^{2}=32*18

x=\sqrt{576}\\x=24

4 0
3 years ago
21<br> 22<br> 23<br> 24<br> 25<br> Which equation represents an exponential function with an initial value of 500?<br> Of(x) = 1
Dafna11 [192]

Answer:

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6 0
3 years ago
Solve for x. Enter the solutions from least to greatest.
Len [333]

Answer:

This is the answer of your question ☺☺

Step-by-step explanation:

(x+7)2 -49=0

2x+14-49=0

2x-35=0

2x=35

x=17.5

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Step-by-step explanation:

you have to write about the remaining people if they had gas problems and write what happened next maybe he was arrested for the sauce made Thanks

4 0
3 years ago
what is the value of the the expression x+5/y^2 for x = 2/3 and y= 1/3. A. 17/27 B. 17. C.34. D.51
uysha [10]

Answer:

Step-by-step explanation:

x + 5/y^2

x = 2/3

y = 1/3

2/3 + 5 / (1/3)^2            Expand (1/3)^2

2/3 + 5 / (1/9)                Put a 1 underneath the 5

2/3 + 5/1 / (1/9)             Invert and multiply the second expression

2/3 + 5/1 * 9                 Simplify 5/1

2/3 + 5* 9                     Combine

45 2/3

I'm not getting any of these. It's possible I'm misreading the question, but what you've given is the result I got. All I can suggest is that you ask your teacher how this is done.

5 0
2 years ago
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