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3 years ago

PLEASE HELP ASAP

Mathematics

1 answer:

Luba_88 [7]3 years ago

5 0

Answer:

If it goes through the orgin

Step-by-step explanation:

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How many equilateral triangles are there in a regular hexagon?A. SixB. FiveC. ThreeD. Eight

vesna_86 [32]

There'd be 6 EQUILATERAL triangles in a REGULAR hexagon

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3 years ago

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Consider the surface given by

Mazyrski [523]

This is just simple. For example you have a plane of the form x=a, then you just substitute x with a, and you'll get an equation with y and z only, hence you have a 2-d trace of the intersection. It is just similar for y=b and z=c.

(1) At z=1.5, 2x^2 + 5y^2 + 1.5^2 = 4
2x^2 + 5y^2 = 1.75
Now you have an ellipse in the z=1.5 plane as your trace.

(2) At x=1, 2(1)^2 + 5y^2 + z^2 = 4
5y^2 + z^2 = 2
Now you have an ellipse in the x=1 plane as your trace.

(3) At z=0, 2x^2 + 5y^2 + (0)^2 = 4
2x^2 + 5y^2 = 4
Now you have an ellipse in the z=0 plane as your trace.

(4) At y=0, 2x^2 + 5(0)^2 + z^2 = 4
2x^2 + z^2 = 4
Now you have an ellipse in the y=0 plane as your trace.

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4 years ago

Helppppppppppppppppp

Nadusha1986 [10]

1.45
2.135
I believe that's what it should be

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3 years ago

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Emily and her children went into a grocery store and she bought $20.80 worth of bananas and peaches. Each banana costs $0.80 and

MakcuM [25]

Answer:

The number of bananas that Emily bought was 6 and the number of peaches that Emily bought was 8

Step-by-step explanation:

<u><em>The complete question is</em></u>

Emily and her children went into a grocery store and she bought $20.80 worth of bananas and peaches. Each banana costs $0.80 and each peach costs $2. She bought a total of 14 peaches and bananas altogether. Determine the number of peaches and the number of bananas that Emily bought

Let

x ----> the number of bananas that Emily bought

y ----> the number of peaches that Emily bought

we know that

She bought a total of 14 bananas and peaches altogether

$x+y=14$ -----> equation A

She bought $20.80 worth of bananas and peaches

$0.80x+2y=20.80$ -----> equation B

Solve the system by graphing

Remember that the solution is the intersection point both graphs

using a graphing tool

The solution is the point (6,8)

see the attached figure

therefore

The number of bananas that Emily bought was 6 and the number of peaches that Emily bought was 8

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4 years ago

The weight og Darrin's phone is 3.405 ounces. What is 3.405 written in expanded form?

Nesterboy [21]

The correct answer is A. 3 is in the ones place(3×1) 4 is in the tenths place(4×1/10) 0 is 0, and 5 is in the thousands place (5x1/1000)

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