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3 years ago

What is the value of x in the equation 3x-4y =65, when y = 4? i will gift brainliest

Mathematics

2 answers:

Elenna [48]3 years ago

5 0

Answer:

3x-4y=65

3x=65+4y

x=(65+4y)/3, when y=4

x=(65+4*4)/3

x=(65+16)/3

x=81/3

x=27

Ad libitum [116K]3 years ago

5 0

Answer:

x = 27

Step-by-step explanation:

3x - 4y = 65

Let y= 4

3x - 4(4) = 65

3x -16 = 65

Add 16 to each side

3x-16+16 = 65+16

3x = 81

Divide by 3

3x/3 =81/3

x=27

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4,193x381=1,597,000 why is this product incorrect

PIT_PIT [208]

4,193x381=1,597,533

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3 years ago

A hotel wants to know if there's a relationship between gender and the way customers make room reservations. A manager takes a r

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Answer:

Step-by-step explanation:

Here,

H_o: The way of reservation is independent of gender.

H_a: The way of reservation is not independent of gender.

We use a chi square test because we can calculate the expected frequencies for this chart.

Doing an Expected Value Chart,

33.7625 9.7125 30.525

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Using chi^2 = Sum[(O - E)^2/E],

chi^2 = 4.482385929

With df = (a - 1)(b - 1), where a and b are the number of categories of each variable,

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b = 2

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Also, the p value is

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Thus, there is no significant evidence that the way of reservation is dependent of gender. [CONCLUSION]

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4 years ago

Susan had 8/9 acres of land. She planted 2/5 of it with corn. How many acres did she plant with corn?

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3 years ago

Carson has two cans of red paint. The first can contains 3 pints of red paint. The second can contains 4 16 pints of red paint.

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Answer: 1⁵/₈ pints

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First can contained 3¹/₄ pints and second can contained 6¹/₂.

To make them equal, first find the different;

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= 6.5 - 3.25

= 3.25

Divide this difference by 2;

= 3.25/2

= 1.625

= 1⁶²⁵/₁₀₀₀

= 1⁵/₈ pints

If Carson pours 1⁵/₈ pints from the second Can, it would increase the first can to 4⁷/₈ pints whilst reducing the second can to 4⁷/₈ pints as well.

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3 years ago

Prism A has a volume of 60 cubic units and a height of 12 units. Prism B has the same base area and height but a length of 15 un

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Answer:

As both prism have the same base area and height there volumes are the same.

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Volume of the prism is given by

Volume of Prism A= base area* height

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= 60 cubic units

As both prism have the same base area and height there volumes are the same.

The length of the longer side is the length of the triangle itself.

For example the length of longer side of prism A maybe 10 units but width may be 1/2 units

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3 years ago

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