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Finger [1]
3 years ago
12

A study found that 9% of dog owners brush their dog’s teeth. Of 578 dog owners, about how many would be expected to brush their

dog’s teeth? Explain. A. 50; 9% ≈ 10% and 578 should be rounded down to 500; 10% of 500 = 50 B. 60; 9% ≈ 10% and 578 ≈ 600; 10% of 600 = 60 C. 70; 9% ≈ 10% and 578 ≈ 700; 10% of 700 = 70 D. 100; 9% ≈ 10% and 578 should be rounded up to 1,000; 10% of 1,000 = 100
Mathematics
1 answer:
Amanda [17]3 years ago
5 0

Answer:

A. 50

Step-by-step explanation:

Simply multiply 9% and 578 to get your answer:

578(0.09) = 52.02

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The solution set for 7q2 − 28 = 0 is <br> (Separate the solutions with a comma)
SCORPION-xisa [38]
<span>7q^2 − 28 = 0
</span>7q^2<span> = 28
</span>q^2<span> = 28/7
</span>q^2<span> = 4
</span>q^2= 2^2
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4 0
3 years ago
Read 2 more answers
the rectangle below initially has dimensions of 10 inches and 14 inches as shown. after both dimensions have been increased by a
yKpoI14uk [10]

The value of x determined algebraically given the total area of the rectangle is 1.5 inches

<h3>How to find area of a rectangle</h3>

Initial dimensions:

Length = 14 inches

Width = 10 inches

New dimensions:

Length = 14 + x

Width = 10 + x

Area = 320 square inches

Area of a rectangle = Length × Width

320 = (14 + x) × (10 + x)

320 = 14x × 10x

320 = 140x²

x² = 320/140

x² = 2.28571428571428

x = √2.28571428571428

x = 1.511857892036908908858066144936720243

Approximately,

x = 1.5

Learn more about area of a rectangle:

brainly.com/question/13048427

7 0
2 years ago
A group of three people are selected at random, what is the probability that all the three people have different birthdays.
Tanya [424]

Answer:

1:1

Step-by-step explanation:

this is because they are selected at random 3/3=1

5 0
3 years ago
El área de un decágono regular cuya apotema mide 5,08 cm y la longitud de su lado es 3,3 cm.
jeyben [28]

Answer:

83.82 cm^2

Step-by-step explanation:

Aquí, queremos calcular el área de un decágono dada su apotema y la longitud de su lado.

Matemáticamente;

Área de decágono = 1/2 * perímetro * apotema

Donde perímetro = 10 * s

donde s es la longitud de los lados

Entonces el área aquí sería; 1/2 * 10 (3.3) * 5.08 = 83.82 cm ^ 2

4 0
3 years ago
What is the median of the distribution?
a_sh-v [17]

Answer:

In order to calculate the median, the data must first be ranked (sorted in ascending order). The median is the number in the middle. Median = the middle value of a set of ordered data.

Step-by-step explanation:

7 0
3 years ago
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