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san4es73 [151]
3 years ago
12

You are in a bike race. When you get to the first checkpoint you are 2/5 of the distance away to the second checkpoint. When you

get to the second checkpoint you are 1/4 of the distance to the finish. What is the distance from start to check point 1?
Mathematics
2 answers:
Ainat [17]3 years ago
7 0

Answer:

its 1/4

Step-by-step explanation:


gizmo_the_mogwai [7]3 years ago
6 0

the answer is 1/4 of a distance away

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2 years ago
Which expression is equivalent to m^2-13m-30?
sergiy2304 [10]

Answer: First option

Step-by-step explanation:

You have the quadratic equation given in the problem:

m^2-13m-30

To find an equivalent expression you cacn factorize. Find two numbers whose sum is -13 and whose product is -30.

These numbers would be -15 and 2.

Therfore, you obtain the following equivalent expression:

(m-15)(m+2)

If you don't want to apply the method above, you can use the quadratic formula:

x=\frac{-b+/-\sqrt{b^2-4ac}}{2a}

Where:

a=1\\b=-13\\c=-30

When you susbstitute values you obtain that:

x=15\\x=-2

Then you can rewrite the equation as (m-15)(m+2)

7 0
2 years ago
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3 years ago
Write each of the following numerals in base 10. For base​ twelve, T and E represent the face values ten and​ eleven, respective
elena-s [515]

Answer:

  a. 37

  b. 25

  c. 226

Step-by-step explanation:

Place value has the same meaning in any other number base that it has in base 10. Using expanded form is one way to do the required base conversion.

a. 122₅ = 1×5² +2×5¹ +2×5⁰

   = 25 +10 +2 = 37

__

b. 11001₂ = 1×2⁴ +1×2³ +0×2² +0×2¹ +1×2⁰

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c. 16T₁₂ = 1×12² +6×12¹ +10×12⁰

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8 0
3 years ago
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Sergio [31]

Answer:

4 divided by 5 is equal to 0.8. This decimal can also be written as a fraction. 0.8 = eight tenths or 8/10 (4/5 in its reduced form).

Step-by-step explanation:

3 0
2 years ago
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