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RideAnS [48]
2 years ago
15

PLEASE HELP I WILL FAIL WITHOUT THIS

Mathematics
1 answer:
max2010maxim [7]2 years ago
7 0

Answer:

In the numbers mumbo jumbo, 76 is the minimum and 89 is the maximum. So it can look like this. (Fig A)

If you understood Fig A, the rest is easy.

There are one 76s, one 77s, four 78s, no 79s, four 80s, five 81s, no 82s, five 84s, four 85s, one 86s, two 87s, one 88s, and two 89s in the mumbo jumbo.  

So the completed dot plot would look like Fig B. (I drew this in the computer and  the dots aren't presicely balanced, but you'll get the idea)

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Make Q the subject of the formula A = Q2 - 2a.
son4ous [18]

Answer:

\huge\boxed{Q = \sqrt{A+2a}}

Step-by-step explanation:

A = Q^2 -2a

Adding 2a to both sides

Q^2 = A+2a

Taking sqrt on both sides

Q = \sqrt{A+2a}

8 0
3 years ago
Can i please get help with these
Kryger [21]

Answer:

7. x=3, 8. x=7, 9. x=15.

Step-by-step explanation:

7. If lines m and n are congruent, then angles DCF and CFE are congruent. 15x+3=18x-6. Solve for x. --> 15x+9=18x-->3x=9-->x=3

8.If line m is parallel to line n, then the corresponding angles are congruent. So, 20x+1=22x-13 Solve for x. 20x+14=22x-->14=2x-->x=7.

9. The supplementary angle of 110 is 70. Note that all of the inner angles of a triangle are equal to 180. Form an equation using the the values: (4x+8)+(2x+12)+70=180. Simplify; 6x+90=180. Solve for x: 6x+90=180-->6x=90-->x=15.

Hope this helps!

8 0
2 years ago
What is the equation of the circle with center (0, 0) that passes through the point (5, -4)?
Katyanochek1 [597]
The standard form of a circle is (x-h) ^{2} +(y-k) ^{2} = r^{2} where h and k are the center and x and y are the coordinates you're given.  We need to solve for the radius to finish this off correctly.  Filling in, we have (5-0) ^{2} +(-4-0) ^{2} = r^{2} and 25+16= r^{2}, giving us that r^{2}=41.  Therefore, our equation is x^{2} + y^{2} =41
4 0
3 years ago
A board measures 4 yards, 2 feet, and 6 inches. What is its length in feet?
never [62]
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7 0
2 years ago
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Show me a graph that best represents the solution set to the system of a linear inequalities; y-x>0. y-1>0
tangare [24]
<h2>Answer:</h2>

The graph is shown in the attached image

4 0
3 years ago
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