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Olin [163]
3 years ago
14

Ella had softball and dance practice for 4 weeks. She practiced softball 2 hours a week and dance 1 hour a week. Which operation

s can be used to find the total number of hours Ella practiced softball and dance? division and addition multiplication and subtraction division and multiplication multiplication and addition
Mathematics
2 answers:
weqwewe [10]3 years ago
4 0

4 multiplied by 2 by 1 because its her hours for the weeks no other way to calculate this problem

ASHA 777 [7]3 years ago
4 0

Answer:

The correct option is D) multiplication and addition

Step-by-step explanation:

Consider the provided information.

Ella had softball and dance practice for 4 weeks. She practiced softball 2 hours a week and dance 1 hour a week.

The number of hours she spend in 4 weeks for softball are:

4(2)

The number of hours she spend in 4 weeks for dance are:

4(1)

The total number of hours Ella practiced softball and dance are:

4(2)+4(1)

The operations that can be used to find the total number of hours are multiplication and addition.

Hence, the correct option is D) multiplication and addition

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Vance is designing a garden in the shape of an isosceles triangle. The base of the garden is 30 feet long. The function y = 15 t
Stella [2.4K]

Answer:

A. 8.66 feet

B. 12.59 feet

C. Area of triangle when \theta=30  is 129.9 square feet. Area of triangle when \theta=40 is 188.85 square feet. Increasing the angle  \theta  increases the area.


Step-by-step explanation:

The equation that models the height of the triangle is:

y=15 Tan \theta

Where,

  • y is the height, and
  • \theta  is the angle

A.

When \theta=30 , the height is:

y=15Tan30\\y=8.66


B. When \theta=40[/tex\ , the height is:[tex]y=15Tan40\\y=12.59


C. <em>To find the area of the isosceles triangular shaped garden, we use the </em><em>formula for the area of the triangle</em><em>:</em>

A=\frac{1}{2}bh

Where,

  • A is the area
  • b is the base, which is given as 30 feet, and
  • h is the height [8.66 feet when the angle is 30 & 12.59 when angle is 40]

<u>When Vance uses \theta=30 , the area is</u>:

A=\frac{1}{2}(30)(8.66)\\A=129.9  square feet


<u>When Vance uses \theta=40 , the area is</u>:

A=\frac{1}{2}(30)(12.59)\\A=188.85  square feet


So we see that when the angle is more, the area is also more.

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3 years ago
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Step-by-step explanation:

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