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Goshia [24]
3 years ago
13

What is a place value relationship

Mathematics
1 answer:
Savatey [412]3 years ago
5 0
Look up khan academy place value relationships on youtube and you will find out what your looking for.
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What is the value of x?<br> Enter your answer in the box.<br> x =
olasank [31]

Answer:

x = 21

Step-by-step explanation:

The sum the the interior angles of a triangle is 180°.

We know that the three angles of the triangle is 100°, x° - 4, and 3x°.

The sum of 100°, x° - 4, and 3x° must equal 180°. We can turn this into the equation:

100 + x - 4 + 3x = 180

(I got rid of the degree signs because they are not necessary when finding x.)

Now, to find the value of x, we would have to solve for x in the equation 100 + x - 4 + 3x = 180.

100 + x - 4 + 3x = 180

Subtract 100 from both sides to get rid of the 100 on the left side.

x - 4 + 3x = 180 - 100

Simplify.

x - 4 + 3x = 80

Add 4 from both sides to get rid of the -4 on the left side.

x + 3x = 80 + 4

Simplify and combine like terms.

4x = 84

Divide 4 from both sides to get rid of the coefficient of 4 on the left side.

x = 84/4

Simply.

x = 21

The value of x would be 21.

x = 21

I hope you find this helpful. :)

7 0
3 years ago
Need help for4,5,6 dealing with isosceles triangles
Debora [2.8K]
HP = JP (since the opposite sides of an isosceles triangle are equal)
3x - 6 = x + 2
2x = 8
x = 4

Thus, HP = 3(4) - 6 = 12 - 6 = 6
JP = 4 + 2 = 6
JH = 2(4) = 8.
8 0
3 years ago
Which answer describes the polynomial?
slava [35]
<span>B) Cubic Trinomial It is cubic because it goes up to the 3rd power, as seen in 3x^3. A quadratic function would only go up to the 2nd power, and a quartic function would go to the 4th. It is a trinomial rather than a binomial as it has three terms. The constant is considered as a term. It would be a binomial only if there were two terms.</span>
5 0
3 years ago
Read 2 more answers
What is the length of line segment AC is 8x-9.
Kruka [31]

Answer is ___ ___x=5.

7 0
3 years ago
Read 2 more answers
Expert Help ASAP Please!
Anuta_ua [19.1K]

Answer:

htdxdfdfg

Step-by-step explanation:

4 0
3 years ago
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