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Vinil7 [7]
3 years ago
11

I need some help with my math test today!

Mathematics
2 answers:
AnnZ [28]3 years ago
7 0

Answer:

right angle- angle measuring 90. obtuse angle- angle measuring greater than 90.  Straight angle- An angle measuring 180. ray- a part of a line that has one endpoint and continues in one direction. vertex- a point where 2 line segments, lines, or rays meet to form an angle. point- a position in space. plane- a flat surface that continues in all directions. Let me know if im correct!

Step-by-step explanation:

vladimir1956 [14]3 years ago
5 0

Answer:

1.end point continues in one direction

2. point were two line segemnt, lines, rays meet

3. measures 90 degrees

4. greater than 90 degrees

5. measures 180 degrees

6. position in space

7. flat surface

Step-by-step explanation:

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Geometry math question no Guessing and Please show work thank you
Dahasolnce [82]

we can use

each interior angle formula of any regular polygons

\theta=\frac{180(n-2)}{n}

where

n is number of sides

theta is angle

we are given

\theta=157.5

now, we can plug it

157.5=\frac{180(n-2)}{n}

now, we can solve for n

1575n=1800\left(n-2\right)

n=16

so, option-C......Answer

5 0
3 years ago
Use what you know about decomposing fractions to write 11/10 as a mixed number
Korolek [52]

Answer:

11/10 as a mixed number is 1 and 1/10

Step-by-step explanation:

10 out of 10 is 1 but there is still another tenth that needs to be added so it is 1 and one tenth.

6 0
3 years ago
I have a question about polynomial division it is in the picture
Cloud [144]

To answer this question, we have to do the long division process for polynomials. We can do the operation as follows:

To do this division process, we have:

1. Divide the first term of the dividend by the first element of the divisor. They are:

\frac{-4x^3}{4x^2}=-x

2. Now, we have to multiply this result by the divisor, and the result will change its sign since we have to subtract that result from the dividend as follows:

-x\cdot(4x^2_{}-4x-4)=-4x^3+4x^2+4x

And since we to subtract this result from the dividend, we end up with:

-(-4x^3+4x^2+4x)=4x^3-4x^2-4x

3. Then we have the following algebraic addition:

\frac{\begin{cases}-4x^3+24x^2-15x-15 \\ 4x^3-4x^2-4x\end{cases}}{20x^2-19x-15}

4. Again, we need to divide the first term of the dividend by the first term of the divisor as follows:

\frac{20x^2}{4x^2}=5

5. And we have to multiply 5 by the divisor, and the result will be subtracted from the dividend:

5\cdot(4x^2-4x-4)=20x^2-20x-20

Since we have to subtract this from the dividend, we have:

-(20x^2-20x-20)=-20x^2+20x+20

6. And we have to add this algebraically to the dividend we got in the previous step:

\frac{\begin{cases}20x^2-19x-15 \\ -20x^2+20x+20\end{cases}}{x+5}

And this is the remainder of the division, x + 5.

As we can see from the division process, we got as:

1. The quotient: -x + 5

q=-x+5

2. The remainder: x + 5.

R=x+5

Since we have that the dividend = divisor * quotient + remainder.

Therefore, the result for this division is:

-4x^3+24x^2-15x-15=(4x^2-4x-4)\cdot(-x+5)+(x+5)

4 0
1 year ago
What is the volume of an oblique square pyramid with base edges 25 ft and height 24 ft?
Oliga [24]
24 and 25 divide will give you the final answer
3 0
3 years ago
Read 2 more answers
Solve and check <br>y − 5 = −5​
Paladinen [302]

Answer:

Its -0

Step-by-step explanation:

-0-5=-5

Hope thia helps I believe its right check on a calculator

8 0
3 years ago
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