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SashulF [63]
3 years ago
5

Sara got 98, 100, 65, 78, 98, 46, 100, 100, 45, and 50 on her reading test. Lee got 97, 67, 89, 99, 100, 45, 79, 89, 58, and 67

on his reading test. What is the mean of Sara's reading test? What is the mean of Lee's reading test? please help with both questions.
Mathematics
1 answer:
WINSTONCH [101]3 years ago
5 0

Answer:

Saras Mean on her reading test is 78

Lee's Mean on his reading test is 79

Step-by-step explanation:

You add grades for Sara's test together and then you will divide by the= number of graded test there were and you will get 78.

You add Lee's Grades for the test together and divide by the number of graded test there were and you will get 79.

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2 years ago
Which expression represents the volume, in cubic units, of the composite figure? One-third(8)(6)(6) (8)(6)(4) One-third(8)(6)(10
vaieri [72.5K]

The expression of Volume in cubic meter  \frac{1}{3} (8)(6)(6)+(8)(6)(4)

The correct option is (1)

<h3>What is Volume?</h3>

Volume can also be defined as the amount of space occupied by a 3-dimensional object. The volume of a solid like a cube or a cuboid is measured by counting the number of unit cubes it contains.

Volume will be,

V= Volume of rectangular pyramid + Volume of cuboid

 

Volume of rectangular pyramid= \frac{1}{3} * base area* height

                                                   = \frac{1}{3} * 6*8*(10-4)

                                                   =\frac{1}{3} * 6*8*6

Volume of cuboid= l*b*h

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So, Volume   =\frac{1}{3} * 6*8*6 + 4*6*8

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3 0
2 years ago
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Answer:

Step-by-step explanation:

Statements                              Reasons

AB // DC                                    Given

AD // BC                                    Given

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∠ACB ≅ ∠DAC                         Alternate interior angles

ΔCAB  ≅ ΔDAC                        A S A

AD ≅ BC                                   CPCT

8 0
3 years ago
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Given:
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