3 years ago

Please help random answers will be reported

Mathematics

1 answer:

monitta3 years ago

4 0

The answer is h have a nice night

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Dina can run 4 miles in 30 minutes. If she maintains this pace, how many miles can she run in 90 minutes?

Mariulka [41]

Answer:

15minutes / 2miles = 7.5 minutes to run a single mile.

7.5minutes * 5miles = 37.5minutes

37.5minutes to run 5 miles

Step-by-step explanation:

7 0

3 years ago

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What is the common ratio between successive terms in the sequence<br> 2,4,8,-16, 32, 64,

marysya [2.9K]

Answer: The sequence does not have common ratio.

Step-by-step explanation:

By definition, a sequence with a constant ratio (common ratio) between terms is called a "Geometric sequence". In order to find the common ratio, it is necessary to divide any term in the sequence by the previous term.

In this case, given the sequence:

$2,4,8,-16, 32, 64,$

We get:

$4\div2=2\\\\8\div4=2\\\\-16\div8=-2\\\\32\div(-16)=-2\\\\64\div32=2$

Since the ratios between the terms are not constant, we can conclude that <em>the sequence does not have common ratio.</em>

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4 years ago

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Which statement is true?

pantera1 [17]

The first one is all squares are rectangles and the second one is not all parallelograms are rectangles.

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3 years ago

If f(x)=2x^4-3x^3+2x^2+x-3, explain how you know that the equation f(x)=0 has at least one real root between x=1 and x=2

hodyreva [135]

Answer:

Step-by-step explanation:

by theorem :

f continu in [1 , 2]

f(1)×f(2) < 0 because : f(1) = -1 and f(2) = 15

so the equation f(x)=0 has at least one real root between x=1 and x=2

so :

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3 years ago

Does the blue appear to be a line of symmetry?

bonufazy [111]

Answer:

Yes it does a line is always symmetrical in some way

Step-by-step explanation:

hope this helps u

6 0

3 years ago