MATHEMATICS MIDDLE SCHOOL

In the figure, the dashed line divides the arrow in half. What is the total area of the arrow? 60 square centimeters 68 square centimeters 80 square centimeters 82 square centimeters NextReset

Answers

Answer 1

Answer:

Answer:

80 square centimeters

Step-by-step explanation:

see the attached figure to better understand the problem

we know that

The total area of the arrow is equal to the area of a rectangle plus the area of a triangle

step 1

Find out the area of the rectangle

The area of rectangle is equal to

$A_1=LW$

we have

$L=17\ cm\nW=4\ cm$

substitute

$A_1=(17)(4)=68\ cm^2$

step 2

Find the area of triangle

The area of triangle is equal to

$A_2=(1)/(2)(b)(h)$

we have

$b=4+2+2=8\ cm\nW=20-17=3\ cm$

substitute

$A_2=(1)/(2)(8)(3)=12\ cm^2$

step 3

The area of the arrow is equal to

$A=A_1+A_2$

substitute the values

$A=68+12=80\ cm^2$

Answer 2

Answer:

Answer:

The answer is 80

Step-by-step explanation:

I just took the mastery test on edmentum

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Use all four operations without parentheses to write an expression that has a value of 1.

Answers

Answer:

The expression can be 1+1÷1×1-1 or 5×2+1-20÷2

Step-by-step explanation:

Consider the provided information.

The all four basic operation of mathematics are: +, -, ×, ÷

We need to use all the above operations to write an expression that has a value of 1.

There can be several ways to write an expression that has a value of 1.

Few of them are shown below:

1+1÷1×1-1=1

The another expression that has a value of 1 is:

5×2+1-20÷2=1

Hence, the expression can be 1+1÷1×1-1 or 5×2+1-20÷2

2x1-1+1/2=1
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What is the volume of a sphere with a radius of 9 inches

Answers

I got 972 pi, the formula for the volume of a sphere is 4/3pi r cubed. r=radius
9×9×9=729,
729×4/3=972
therefore being 972 pi

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What is 6.549 to the nearest tenth

Answers

the answer is 6.5 it was easy

It would be 6.5. The 5 after the decimal would stay the same since the number after it isn't greater than 5

How does the number of zeros in the product of 8 and 5000 compare to the number of zeroes in the factor

Answers

The number of zeros in the product has 5 zeros and the zeros in the factor has 4 zeros because when you multiply 5,00x by8 you get 40,000

The finances of a group of pet owners were analyzed to determine how much they were spending on their pet(s) each year. A graph of that data is shown: Would (2.5, 8.5) be a realistic solution for the function? Explain.Yes, it is realistic to have 2.5 owners.
No, it is not realistic to have 2.5 owners.
Yes, it is realistic that owners spend $850 a year on their pet(s).
No, it is not realistic that owners spend $850 a year on their pet(s).

Answers

The correct answer will be No, it is not realistic to have 2.5 owners, Option(B) and Yes, it is realistic that owners spend $850 a year on their pet(s), Option(C).

What is a function?

In mathematics, a function is an expression, rule, or law that describes the relationship between one variable (the independent variable) and another variable (the dependent variable).

Explanation

According to the graph given in the question, there are 2.5 people who spend $850 a year on their pets.
2.5 people is not a realistic no. as the no. of people has to be a natural number.
But it is still realistic that people will spend more than $850 on their dog as no. of people can't be 2.5 but they can be a natural no. less than 2.5 like 1 people/ 2 people according to the graph.

Hence, Option(B) and Option(C) both are correct.

Learn more about number system on:

brainly.com/question/9842110

#SPJ2

Answer: B

Step-by-step explanation: It’s not realistic to have 2.5 owners. I just took the quiz. 2.5 is not an x-value you are able to put in.

Use signed numbers to solve. A helicopter rose 2400 feet, descended 1650 feet, and then descended another 725 feet. What was the net gain or loss in altitude? A. gained 25 ft B. lost 750 ft C. lost 25 ft D. gained 750 ft

Answers

+2400-1650-725= 25

The answer is A. gained 25ft.

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