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pantera1 [17]
2 years ago
7

Please help me, its due today!!!

Mathematics
1 answer:
Virty [35]2 years ago
7 0

Answer:

D: 11

Step-by-step explanation:

When I evaluated the expression, I got 11.

Hope it helps! :D

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Solve the following equation and check.
madreJ [45]
The solution is x=42

4 0
2 years ago
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homer has 24 more marbles than lisa. lisa has 105 more than bart. if the three of them have 324 marbles in total, how many marbl
blagie [28]
Homer has 105+24=129
lisa has 105
bart has 129+105=234
                  324-234=90

homer has 129
lisa has 105
bart has 90
8 0
3 years ago
16x-15-9x=13 how do I solve for x
dangina [55]
Add two like terms: 16x+(-9x)=7x
Add 15 to both sides: 7x=28
Divide 7 on both sides: x=4
7 0
2 years ago
Which expression represents the distance between point (0, a) and point (a, 0) on a coordinate grid?
o-na [289]

Answer:

\sqrt{2} a

Step-by-step explanation:

The distance between point (x1,y1) and (x2,y2) on a coordinate plane is given by expression \sqrt{(x1-x2)^2+(y1-y2)^2}

In the problem given coordinate points are

(0, a) and (a, 0).

Thus, distance between these points are given by

distance = \sqrt{(x1-x2)^2+(y1-y2)^2}\\=>distance = \sqrt{(0-a)^2+(a-0)^2}\\=>distance = \sqrt{(a)^2+(a)^2}\\\\=>distance = \sqrt{2a^2}\\=>distance = \sqrt{2} a

Thus , expression \sqrt{2} a gives the distance between point (0, a) and point (a, 0) on a coordinate grid.

5 0
3 years ago
Read 2 more answers
Help me on #13 and please explain
hichkok12 [17]

Answer:

56.4°

Step-by-step explanation:

Let θ = the angle of elevation. Then

tanθ = 199/132 = 1.508

     θ = arctan1.508

     θ = 56.4°

The angle of elevation is 56.4°.

4 0
3 years ago
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