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AURORKA [14]
2 years ago
15

Can someone help me and clear this doubt up? i'll mark brainliest EXPLAIN!

Mathematics
2 answers:
goldfiish [28.3K]2 years ago
6 0

Answer:

60°

Step-by-step explanation:

they are equal.....

BaLLatris [955]2 years ago
3 0
60° because they are equal
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Using the quadratic formula to solve 7x2 -x = 7, what are the values of x?
Sunny_sXe [5.5K]

Answer:

x=-7

Step-by-step explanation:

7x2-x=7

7x2=14.

14-x=7

When you finished the last step, you will subtract 14 to both sides.

14-x=7

14-14-x=7-14

this will cancel out the 14 on the left.

And will leave you with:

-x=7-14

7-14 is -7.

and this will get you to

-x=-7

To finish this off, you have to turn the negative x/variable, into a positive x/variable.

So, you will divide both sides of the equation by the same term.

-x = -7

into

\frac{-x}{1} =\frac{-7}{1}

and it will be -7.

I hope this helps      :)

8 0
3 years ago
The two cones below have the same radius, height, and
lozanna [386]

Answer:

yes

Step-by-step explanation:

The cones are not concurrent because one cone is obliquewhich makes the length of these land height is different have the same radius same volumes and same height are the cones concurrent is the corresponding slant height sorry equal .concurrent counts must have concurrent corresponding slant height with all this corresponding being concurrent

3 0
2 years ago
What is the volume of a rectangular prism with the base area of 15m2 and height of 5cm?
koban [17]

Answer:

The correct answer is option C. 75 m³

Step-by-step explanation:

<u>Points to remember</u>

Volume of rectangular prism = Base area * Height

<u>To find the volume of given prism</u>

Here Base area = 15 m² and

Height = 5 m

Volume = base area * height

 = 15 * 5

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Volume of prism = 75 m³

Therefore the correct answer is option C. 75 m³

3 0
3 years ago
Read 2 more answers
Which algebraic expression is represented by the model?
DerKrebs [107]

Answer:

3(2x+2) = 6x + 6

Step-by-step explanation:

Those are algebra tiles, so it is saying (if you read across the top) 2x +2 then if you read down you have 3 units, so the dot means 2x + 2 multiplied by 3

If you write it in algebraic terms it is 3(2x+2) so the answer when you distribute is 3 (2x) + 3(2) so 6x + 6, and if you count the number of red rectangles you have 6 of them, hence the 6x, and if you cound the units in gray you have 6 of them, hence the 6.

Algebra tiles are used to demonstrate algebra concepts

6 0
3 years ago
In the figure, parallel lines r and s are cut by line t
Lady_Fox [76]

Answer:

<u>x = 49</u>

Step-by-step explanation:

Since the line is parallel, the value of 2x - 8 is equal to 90.

=> 2x - 8 = 90

=> 2x = 98

=> <u>x = 49</u>

7 0
2 years ago
Read 2 more answers
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