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Kruka [31]
3 years ago
10

A copy machine makes 32 copies per minute. How many copies does it make in 4 minutes and 15 seconds?

Mathematics
2 answers:
Anastasy [175]3 years ago
8 0

Answer:

136 copies

Step-by-step explanation:

32 copies = 1 minute

128 copies = 4 minutes

15 seconds = 1/4 minute

15 seconds = 1/4 of 32 = 8

128+8 = 136

ki77a [65]3 years ago
6 0

Answer:

136

Step-by-step explanation:

32*4=128

15=1/4 of a minute

32/4=8

128+8=136

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Sum of two interior angles=exterior angle

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\\ \sf\longmapsto 3x=18

\\ \sf\longmapsto x=6

Done!

4 0
3 years ago
8x + 3y = 10<br> -2x - 10y =16
Len [333]

Answer:

(2,-2)

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7 0
3 years ago
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Whoever helps me will be lucky for the rest of your life
Anvisha [2.4K]

Answer:

A) 3.5

16 shovels full

Step-by-step explanation:

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7 0
3 years ago
1) The deer population in a national park is expected to decline over time. The park
Lorico [155]

Answer:

Here's what I find.

Step-by-step explanation:

You have 800 deer at the end of Year 1, and you expect the population to decrease each year thereafter.

a) i) The recursive formula

Let dₙ = the deer population n years after the initial measurement.

d_{n} = d_{n - 1}r^{n}

For this situation,

d_{n} = d_{n - 1}(0.5)^{n}

a) ii) Definitions

n = the number of years from first measurement

r = the common ratio, that is, the deer population at the end of one year divided by the population of the previous year.

a) iii) First term of sequence

The first term of the sequence is d₀, the population when first measured.

b) The function formula

The formula for the nth term of a geometric series is

d_{n} =d_{0}r^{n - 1}

c) Value of d₀

Let n = 2; then d₂ = 800

\begin{array}{rcl}800 & = & d_{0}(0.5)^{2 - 1}\\800 & = & d_{0}(0.5)\\\\d_{0} & = & \dfrac{800}{0.5}\\\\& =&\mathbf{1600}\\\end{array}

4 0
3 years ago
What value for y makes this equation true?
3241004551 [841]
The answer is D. 48.

(3 x 40) + (3 x 8)
120 + 24
144

3 x Y = 144

Divide 144 by 3

144 / 3 = 48.
So the answer is 48.

Hope this helps!!
6 0
3 years ago
Read 2 more answers
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