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denpristay [2]
3 years ago
14

Help please. find the values of x and y and if you feel like it, show your work

Mathematics
1 answer:
creativ13 [48]3 years ago
8 0

Answer:

x=4, y=61

Step-by-step explanation:

Since the triangles are congruent, we already know that they have the same angles and sides.

We can solve for the missing side with this equation:

51=12x+3

<em>subtract</em> 3 from both sides

48=12x

<em>divide </em>both sides by 12

x = 4

Due to the Angle Theorems we already know 2 of the angles on the triangle:

63 and 56

We can solve for the missing angle with this equation:

A+B+C=180

63+56+y=180

119+y=180

<em>subtract </em>119 from both sides

y=61

<em>plz mark me brainliest.</em> :)

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Enter a range of value for x.
zubka84 [21]

Answer:

-2 < x < 35

Step-by-step explanation:

We have that the larger side has a larger opposite angle and the smaller sides and a smaller opposite angle.

The opposite angle of the 14 unit side is 37 °.

The opposite angle of the 13-unit side is (x + 2) °.

Since 13 <14, it would be:

x + 2 <37

we subtract 2 on both sides

x <35

The value of x must be less than 35.

Now, to form a triangle, the angle must be greater than 0.

x + 2> 0

we subtract 2 on both sides

x> -2

The value of x must be greater than - 2.

Therefore the answer would be:

-2 <x <35

8 0
3 years ago
What scale factor is shown in the graph?
oee [108]
The answer is 1/2 the last one
7 0
3 years ago
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Solve - 2/5x is less than or equal to 20
sashaice [31]

Answer:

x is less than or equal to 0

Step-by-step explanation:

- you need to multiply both sides of the inequality by 5/2

- then you reduce the numbers with the greatest common factor 5

- then you reduce the numbers with the greatest common factor 2

- any expression multiplied by 0 equals 0

- so you get x is less than or equal to 0

^^^ hope this helps! :)

8 0
3 years ago
Help plz question is in the photo
mixas84 [53]

Answer:

A. Trinomial

Step-by-step explanation:

It says it's a polynomial and that based on the number of terms. So right then you can cancel out cubic and quadratic because they aren't polynomials. Also:

Cubic is just a variable with the exponent of 3. Examples:

x^3,y^3,z^3

Binomial is a polynomial with 2 terms. Examples:

5x+3; 6x+2; x+7

A quadratic has a division sign.

8 0
3 years ago
647.6 ÷ what = 0.6476
pshichka [43]

Answer:

.001

Step-by-step explanation:

You see it is the same numbers just it was moved 3 places to the left.

So the you would multiply it by .001 <------ there are 3 decimal places.

When you multiply them you get.

647.6*.001= .6476

3 0
3 years ago
Read 2 more answers
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