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3 years ago

9

explain how multiplying 4/10 and 3/10 is similar to multiplying 0.4 and 0.3 (please only answer if you for sure know the answer!

!)

1 answer:

Vesnalui [34]3 years ago

8 0

Its the same just one are fractions and one is decimal but the decimal is a decimal of 10

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To gain a pass a student needs to achieve a mean of at least 60% in eight tests. In the first seven

Tanzania [10]

Step-by-step explanation:

the mean value is the sum of all data points divided by the number of data points.

first we have 7 tests and their mean value :

(t1 + t2 + t3 + t4 + t5 + t6 + t7) / 7 = 54

that means

(t1 + t2 + t3 + t4 + t5 + t6 + t7) = 54 × 7 = 378

in order for the mean value to be at least 60% after 8 tests, we need to add a t8, so that

(t1 + t2 + t3 + t4 + t5 + t6 + t7 + t8) = 60 × 8 = 480

because only then we have

(t1 + t2 + t3 + t4 + t5 + t6 + t7 + t8) / 8 = 60

and the student passes.

so,

(t1 + t2 + t3 + t4 + t5 + t6 + t7) + t8 = 480

378 + t8 = 480

t8 = 480 - 378 = 102%

the student would have to achieve 102% on the 8th test.

which would be normally impossible, but maybe the tests involve some bonus points.

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2 years ago

Multiple choice

Aliun [14]

N <span>≥ 60 because you take Craig's weight out of the 330 pounds which leaves you with 240 pounds. Then you divide that by 4 to see the highest amount of packages Craig could bring with him. </span>

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3 years ago

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What is the answer to<br>2x+3=7

Natali5045456 [20]

2x=4 divide 4 by 2 x=2

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3 years ago

A summer camp cookout is planned for the campers and their families. There is room for 200 people. Each adult costs $4, and each

Nikolay [14]

Answer:

brainly.com/question/12896085

Step-by-step explanation:

hope that helps

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3 years ago

What is the volume of the composite figure shown below?

AVprozaik [17]

Answer:

2412 mm³

Step-by-step explanation:

In the figure attached, the composite figure is shown.

Dimension of top rectangular prism:

length of 13 millimeters

width of 12 millimeters

height of 12 millimeters

Volume of top rectangular prism: length*width*height = 13*12*12 = 1872 mm³

Dimension of bottom rectangular prism:

length of 15 millimeters

width of 12 millimeters

height of 3 millimeters

Volume of bottom rectangular prism: length*width*height = 15*12*3 = 540 mm³

Volume of the composite figure: 1872 + 540 = 2412 mm³

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3 years ago