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ryzh [129]
3 years ago
8

Mario travels at a constant rate of 45 mph for 2 1/2 hours how far is Mario travel

Mathematics
1 answer:
rodikova [14]3 years ago
5 0

Answer: 112.5 miles

Step-by-step explanation:

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Can someone help me out?
stira [4]

Answer:

  40 degrees

Step-by-step explanation:

A triangle solver tool can find the angle easily. It is 39.8°, which rounds to 40°. Apps are available on some calculators, on the Internet, and for iOS and Android phones and tablets.

___

You may be expected to solve this using the Law of Cosines. If we name the sides ...

  • a = 1.75
  • b = 3.00
  • c = 2.00

the law of cosines tells us the relationship is ...

  c² = a² + b² -2ab·cos(θ)

Then the angle is ...

  θ = arccos((a² +b² -c²)/(2ab)) = arccos((3.0625 +9 -4)/(2·1.75·3))

  = arccos(8.0625/10.5) ≈ 39.838° ≈ 40°

4 0
3 years ago
Help please? :))))))))))))
Ivan
A. 4times y+2        b. 5-x times 3 times y  c. -2 times y-3  d. -7 times 4+x            e. 16 times x -8 divided by 4     f. 1 divided by 3 times 2 times x +3


sorry I tried to make it out the best that I could I don't have all the symbols so I just wrote out the divide and multiply parts 
5 0
3 years ago
Read 2 more answers
Simplify (-2)^3*(-2)^4
Otrada [13]
(-2)^3 x (-2)^4 = (-2)^7
3 0
3 years ago
What is the equation in standard form of the line y = 19x + 5?
Inessa05 [86]
The correct answer is 19x-y=-5
7 0
3 years ago
Which description matches the transformations y=cosx undergoes to produce y=3cos(-2x)
Hoochie [10]
Let us check the transformations. The first step is regarding the argument of the function, the -2x part. So, first of all, the minus sign implies that the function is reflected along the y-axis since f(x) is replaced with f(-x). However, cosx is symmetric along that axis so there is no change on the graph. Also, the 2 factor means that the function is compressed along the x-axis, since now f(2) corresponds to f(1) etc. (if we substitute 1 in the cos(2x), it is as if substituting 2 in the origninal function cosx). Finally, we have that the factor 3 in front of cos, implies that the function is dilated along the y-axis; the highs become 3 times higher and the lows 3 times low.
4 0
3 years ago
Read 2 more answers
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