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LiRa [457]
3 years ago
9

Please look at the picture to answer the question.

Mathematics
1 answer:
Black_prince [1.1K]3 years ago
8 0
X - 19 + x + 65 = 180.  180° equals a line, and therefore a linear pair.
Then, solve your equation.  2x = 134.  So, x = 67°.  67 - 19 = 48.  180 - 48 = 132.  The answer is A.
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Need with this problem please.
astraxan [27]

Answer:

It would be 3/4 which is the fractional version of 0.75

additive: 1/4+ 2/3=3/4

5 0
3 years ago
Width of a rectangle with the length of x+6 and area x^3+2x^3-5x-66
In-s [12.5K]
Hello : 
A= W×L
W =A/L
W = (<span>x^3+2x^3-5x-66) / (x+6).......
</span>Review your statement........
4 0
3 years ago
Complete the steps to solve the polynomial equation x3 – 21x = –20. According to the rational root theorem, which number is a po
jeka94

Answer:

Zeroes : 1, 4 and -5.

Potential roots: \pm 1, \pm 2, \pm 4, \pm 5, \pm 10, \pm 20.

Step-by-step explanation:

The given equation is

x^3-21x=-20

It can be written as

x^3+0x^2-21x+20=0

Splitting the middle terms, we get

x^3-x^2+x^2-x-20x+20=0

x^2(x-1)+x(x-1)-20(x-1)=0

(x-1)(x^2+x-20)=0

Splitting the middle terms, we get

(x-1)(x^2+5x-4x-20)=0

(x-1)(x(x+5)-4(x+5))=0

(x-1)(x+5)(x-4)=0

Using zero product property, we get

x-1=0\Rightarrow x=1

x-4=0\Rightarrow x=4

x+5=0\Rightarrow x=-5

Therefore, the zeroes of the equation are 1, 4 and -5.

According to rational root theorem, the potential root of the polynomial are

x=\dfrac{\text{Factor of constant}}{\text{Factor of leading coefficient}}

Constant = 20

Factors of constant ±1, ±2, ±4, ±5, ±10, ±20.

Leading coefficient= 1

Factors of leading coefficient ±1.

Therefore, the potential root of the polynomial are \pm 1, \pm 2, \pm 4, \pm 5, \pm 10, \pm 20.

3 0
3 years ago
Rewrite in simplest terms: -0.2t - 5 (-8t + 5)
SVETLANKA909090 [29]

Answer: 40.2t - 25

Step-by-step explanation:

-0.2t - 5 (-8t + 5)

-0.2t + 40t -25

39.8t - 25

6 0
3 years ago
What is the mixed number for 24/3
galben [10]
The mixed number is 8
8 0
3 years ago
Read 2 more answers
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