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3 years ago

There are 99 cats and 121 dogs participating in a costume competition. What percent of the participants are cats?

Mathematics

1 answer:

kakasveta [241]3 years ago

8 0

About 81.82 rounded.

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Use the quadratic formula to find the solutions to the quadratic equation below x^2-6x-5=0

Sonja [21]

Answer:

$\large\boxed{x=3-\sqrt{14}\ \vee\ x=3+\sqrt{14}}$

Step-by-step explanation:

$x^2-6x-5=0\qquad\text{add 5 to both sides}\\\\x^2-6x=5\\\\x^2-2(x)(3)=5\qquad\text{add}\ 3^2\ \text{to both sides}\\\\x^2-2(x)(3)+3^2=5+3^2\qquad\text{use}\ (a-b)^2=a^2-2ab+b^2\\\\(x-3)^2=5+9\\\\(x-3)^2=14\to x-3=\pm\sqrt{14}\qquad\text{add 3 to both sides}\\\\x=3-\sqrt{14}\ \vee\ x=3+\sqrt{14}$

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2 years ago

Show your work AND the answer a research showed that 45% of sixth graders have dogs for pets 35% have cats 10% have fish and 5%

Arturiano [62]

Answer: 600 students

Step-by-step explanation:

Of the total number of sixth graders who were surveyed, 5% owned birds.

This 5% translated to 30 students.

30 students is therefore 5% of the total number of sixth graders surveyed.

Assume that number to be x:

x * 5% = 30

x = 30 / 5%

= 600 students

3 0

3 years ago

What is a fraction <br> just to know

maw [93]

Answer:

Step-by-step explanation:A fraction is like a pizza you got the pizza into three force you shading three of them that’s a fraction

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3 years ago

"blank" are the products of the smaller problems in the place value rows methed

Talja [164]

Answer:

hindi sulotion kung hindi man sorry nalang

walarin akong alam diyaan

Step-by-step explanation:

im sosory

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3 years ago

I can ride my bike 72 miles in 12 hours. What is my

IrinaVladis [17]

Answer: 108 miles

There is 6 miles per hour

Multiply 6x18=108

Step-by-step explanation:

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3 years ago

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