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SIZIF [17.4K]
2 years ago
5

While walking his dog in the park, Santiago often finds change lying on the ground. This week, Santiago recorded the amount of m

oney he found in the chart below. What is the mean amount of money Santiago found this week?
Mathematics
1 answer:
choli [55]2 years ago
7 0
Th y rn r my. D nI eh t
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I thought of a number, I added 1 3 4 to it, then I multiplied the result by 2 2 11 and I got 8. What was my number?
Valentin [98]

Given:

In a number, adding 1\dfrac{3}{4}, then multiplying the result by 2\dfrac{2}{11} we get 8.

To find:

The unknown number.

Solution:

Let the unknown number be x.

According to the question,

(x+1\dfrac{3}{4})\times 2\dfrac{2}{11}=8

(x+\dfrac{1\times 4+3}{4})\times \dfrac{2\times 11+2}{11}=8

(x+\dfrac{4+3}{4})\times \dfrac{22+2}{11}=8

(x+\dfrac{7}{4})\times \dfrac{24}{11}=8

Multiply both sides by \dfrac{11}{24}.

x+\dfrac{7}{4}=8\times \dfrac{11}{24}

x+\dfrac{7}{4}=\dfrac{11}{3}

Subtract \dfrac{7}{4} from both sides.

x=\dfrac{11}{3}-\dfrac{7}{4}

x=\dfrac{44-21}{12}

x=\dfrac{23}{12}

x=1\dfrac{11}{12}

Therefore, the required number is 1\dfrac{11}{12}.

3 0
3 years ago
When will n(A∩B)=0? Explain and give an example.
andrew11 [14]

Answer:

Two sets are called disjoint if they have no elements in common. For example:

The sets S = { 2, 4, 6, 8 } and T = { 1, 3, 5, 7 } are disjoint.

Another way to define disjoint sets is to say that their intersection is the empty set,

Two sets A and B are disjoint if A ∩ B = 0.

In the example above,

S ∩ T = ∅ because no number lies in both sets.

Step-by-step explanation:

8 0
3 years ago
An artist wants to make alabaster pyramids using a block of alabaster with a volume of 576 cubic inches. She plans to make each
8_murik_8 [283]
Volume of pyramid:

V= \dfrac{1}{3} \cdot A \cdot H

A - base area
H - height

First count volume of one pyramid:

V=\dfrac{1}{3} \cdot 3 \cdot 4=4 [\hbox{inch}^3]

So by using 576 inch^3 you can make 576 : 4 = 144 pyramids
3 0
3 years ago
Read 2 more answers
Over the last 24 months, Wendy has deposited the same amount of money in her bank account each month. If she deposited a total o
zysi [14]

Answer:

55

Step-by-step explanation:

Assuming she deposited the same amount each month.

Total ÷ Months = Amount Deposited Each Month

1,320 ÷ 24 = 55

6 0
3 years ago
Complete the sentence.
melamori03 [73]

Please view my other solution I gave you.

:)


But I will still answer this if you see it.

Because 0.8^x is never 0, then the asymptote is 0-10 or -10.

6 0
3 years ago
Read 2 more answers
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