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Soloha48 [4]
3 years ago
15

Plssss help with all thiss​

Mathematics
1 answer:
vampirchik [111]3 years ago
7 0
8) 36 - 12x = 48
12x = -12
X= -1

9) x = 24.5

10) 5x -15 = 45
5x = 30
X =6

11) -3x+9=45
3x= -36
X= -12

12) 14y=21
Y= 1.5

13) 2m = 8/5
M= 4/5

14) 3x = 15
X= 5

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What is the degree of the polynomial x² - 5x + 2 ​
MrMuchimi

Answer

2

Step-by-step explanation:

x^2-5x+2,

the greatest exponent seen in the polynomial is two (x squared), so the degree of this polynomial is 2 because of the number two x^<em><u>2 </u></em>-5x+2

4 0
3 years ago
What is the slope that passes through the points : (-2,9) and (4,-7)
Westkost [7]

Use the slope formula below:

\large \boxed{m =  \frac{y_2 - y_1}{x_2 - x_1} }

The m-term represents the slope.

The formula is the changes of two y-points over the changes of two x-points. We are given two points. Substitute both points in the formula.

\large{m =  \frac{9 - ( - 7)}{ - 2 - 4} } \\  \large{m =  \frac{9 + 7}{ - 6}  \longrightarrow  \frac{16}{ - 6} } \\  \large{m =  \frac{8}{ -3 }  \longrightarrow  -  \frac{8}{3} }

Therefore the slope is -8/3

Answer

  • the slope is -8/3

Hope this helps! Let me know if you have any doubts.

6 0
3 years ago
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Let f(x)=(3)x−3. Evaluate f(0) without using a calculator.
Alexandra [31]

Answer:f(0)=-3

Step-by-step explanation:

f(x)=3x-3

f(0)=3(0)-3

f(0)=0-3

f(0)=-3

5 0
4 years ago
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What is the diameter of circle 0?
Marina86 [1]

Answer:

8

Step-by-step explanation:

diameter is the radius times 2

3 0
2 years ago
2 angles measure 40 degrees each, what does the third angle measure? what type of triangle is it?
zimovet [89]

Answer:

Part a): 100 degrees

Part b): Isosceles Triangle

Step-by-step explanation:

Part a): Since the angle measures of all triangles add up to 180 degrees and since the other two angles are 40 degrees, which add up to 80, we can use subtraction to find the answer.

180 - 80 = 100

Part b): Since only two of the three angles in this triangle have the same measure, we can find that it is an isosceles triangle, with base angles measuring 40 degrees, and the vertex angle being 100 degrees.

3 0
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