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morpeh [17]
3 years ago
6

Solve the equation using any method. 5x2 - 12x-9= 0

Mathematics
1 answer:
Inessa05 [86]3 years ago
6 0
Are you trying to answer for x?
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Mrs. Smith cuts 1 2 of a piece of construction paper. She uses 1 6 of the piece to make a flower. What fraction of the sheet of
Irina18 [472]

Answer:

1/12  fraction of the sheet of paper is used to  to make the flower

Step-by-step explanation:

The size of the piece of paper cut from the construction paper = 1/2

Amount of paper used from this piece to make flower = 1/6

Total amount of construction paper used = 1/2 * 1/6

= 1/12

4 0
3 years ago
Write and solve an equation to find the unknown angle.
Julli [10]
There's many properties you can use to find an unknown angle.

There are too many to lists but one core example would be an isosceles triangle that has two adjacent sides and angles.

Let's say that the sides of an isosceles triangle are any number "x"

now since two sides of the triangle are the same we can add these two x's together.

x+x = 2x

now the other side of the triangle can be anything you like. We can call it 4x for this example.

now if we add them all together we'll get 4x+2x=6x

Now since the angles of a triangle add up to 180 degrees
we can equate 6x=180 leaving x to be 30.

Now since x belongs to both sides of the triangle we can say that both angles are congruent as well because the two sides of the triangle are congruent. This is a known triangle law.

Since both angles are now 30 degrees this will leave us with 2(30) = 60

now if we subtract 180 - 60 we'll get 120 which is the remainder of the 3rd angle of the side that corresponds with 4x.
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5 0
4 years ago
Can someone pleaseeee help and if you’re correct I’ll give u brainlist
Svet_ta [14]

Answer:

big braqin

Step-by-step explanation:

thtysdb

6 0
3 years ago
Read 2 more answers
2 ft 12 ft<br><br>what is the surface area and volume​
Len [333]
5.12? Maybe 24? I’m sorry if there wrong which they probably are. Sorry :(
4 0
3 years ago
Please answer this correctly
TiliK225 [7]

Answer:

7| 1 1 3 4 5 5 9

8| 5

hope it helps!

Step-by-step explanation:

In a stem leaf plot, the stem is the number in the tens place and all the numbers that follow in the ones place go in leaf

For 7:

The numbers are 71, 71, 73, 74, 75, 75, 79

The stem leaf plot is

7| 1 1 3 4 5 5 9

For 8:

The numbers are (85) only

So the plot is

8| 5

4 0
3 years ago
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