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slega [8]
3 years ago
12

Can someone help me with these? I need some help.

Mathematics
1 answer:
nata0808 [166]3 years ago
6 0

Answer:

1) \sqrt{569}  2) 8   3) 0.8  4) \sqrt[10]{61}

Step-by-step explanation:

The equation for pythagoream theorem is

a^2 + b^2 = c^2  (the caret "^" represents exponents)

A = a side length

B = another side length

C = the hypotnuse which is the slanted side of the right triangle.

To solve these problems plug in the known values into the equation then solve.

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Divide $28 in the ratio 5:2:7.
Nina [5.8K]

Answer:

<h3>10:4:14</h3>

Step-by-step explanation:

5+2+7=14

28/14=2

2*5=10

2*2=4

2*7=14

10:4:14

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3 years ago
Upon what does the force of gravity between two objects depend? The amount of attraction between the two objects A
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Answer: D

Step-by-step explanation: i did the exam.

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In the diagram, MQ = QP = PO = ON. If NP is greater than MP, which must be true?
Alchen [17]
Angle O is larger than angle QI hope this helps! ^^
5 0
3 years ago
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The points(0,2) and (4,-10) lie on the same line and the points (-5,-3) and (2,11) lie on another line. Determine by graphing wh
joja [24]
You are asked to do this problem by graphing, which would be hard to do over the Internet unless you can do your drawing on paper and share the resulting image by uploading it to Brainly.

If this were homework or a test, you'd get full credit only if you follow the directions given.

If <span>The points(0,2) and (4,-10) lie on the same line, their slope is m = (2+10)/(-4), or   m =-3.  Thus, the equation of this line is y-2 = -3x, or y = -3x + 2.

If </span><span>points (-5,-3) and (2,11) lie on another line, the slope of this line is:

m = 14/7 = 2.  Thus, the equation of the line is y-11 = 2(x-2), or y = 11+2x -4, or y = 2x + 7.

Where do the 2 lines intersect?  Set the 2 equations equal to one another and solve for x:

</span>y = -3x + 2 = y = 2x + 7.  Then 5x = 5, and x=1.

Subst. 1 for x in y = 2x + 7, we get y = 2(1) + 7 = 9.

That results in the point of intersection (2,9).

Doing this problem by graphing, on a calculator, produces a different result:  (-1,5), which matches D.

I'd suggest you find and graph both lines yourself to verify this.  If you want, see whether you can find the mistake in my calculations.

3 0
3 years ago
Which expression is equivalent to (3 x minus 5 y) + (x + 2 y)?
Alex73 [517]

Answer:c

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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