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tekilochka [14]
3 years ago
10

A car travels 420 miles in 6 hours. What is the unit rate?

Mathematics
1 answer:
Semmy [17]3 years ago
3 0

Answer:

70

Step-by-step explanation:

because 70 times 6 equals 420

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⦁ Find the sum of the series . 15 sigma n=1, (2n-1) Show your work
sergejj [24]

Answer:

225

Step-by-step explanation:

The sum of this series is given by the formula:

S_n=\frac{n}{2}[2a+(n-1)d]

Where

S_n is the sum

a is the first term (we get this by plugging in n = 1 into "2n-1", we have 2(1) - 1 = 1)

n is the number of terms (the sum is defined for n = 1 to n = 15, so 15 terms)

d is the common different (the difference is successive terms. Here, 2nd term would be 2(2) - 1 = 3, and first term was 1, so d = 3 -1 = 2)

<em>plugging in the info, we will get the sum:</em>

<em>S_n=\frac{n}{2}[2a+(n-1)d]\\S_{15}=\frac{15}{2}[2(1)+(15-1)(2)]\\=225</em>

<em>The sum is 225</em>

4 0
3 years ago
What is the missing length?
Tasya [4]
Answer: maybe 20 cm
7 0
3 years ago
Leonard owns an auto dealership. This week he must order 61 new Ford Transits. If each Ford Transit costs Leonard $8,532, how mu
riadik2000 [5.3K]

Leonard total purchase is $520,452.

The correct option is (C)

<h3>What is Unitary method?</h3>

The unitary method is a technique for solving a problem by first finding the value of a single unit, and then finding the necessary value by multiplying the single unit value

Given:

There are 61 new Ford Transits.

If each Ford Transit costs Leonard $8,532.

Then, total purchasing will be

=8532*61

= $520,452.

Hence, Leonard total purchase is $520,452.

Learn more about this concept here:

brainly.com/question/15591124

#SPJ1

7 0
1 year ago
What is the order of operation for 2(9 + 7)?
shepuryov [24]

the answer is 32 because you add 9 plus 7 then you multiply tha th # by 2

6 0
3 years ago
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Simplify 2x+3y-6x-4y+6
kiruha [24]
-4x-y+6
you needed to just add like terms
3 0
3 years ago
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