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eimsori [14]
2 years ago
15

Can someone help? will mark brainlest

Mathematics
2 answers:
Crank2 years ago
8 0
I need help my self lol XD
galina1969 [7]2 years ago
7 0

Answer:

x=33

Step-by-step explanation:

(x+20)+(4x-5)=180

5x+15=180

5x=165

x=33

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(x-5)(x+1)<br> O x= -1 and x = 5<br> O x= -1 and x = 14<br> O x= 1 and x = -5<br> O x = 14 and x = 5
mafiozo [28]
Answer:

X= -1 and x=5

Explanation:

Make it equal to zero
X-5=0
Then add five to both sides
X=5
For the other one do the same
X+1=0
Then subtract one on both sides
X=-1

Hope this helps!
7 0
3 years ago
Use Boolean algebra to simplify the given Boolean expression. Determine the minimum (i.e. simplest) expression. F(A, B, C) = A.B
klasskru [66]

Answer:C

Step-by-step explanation:

A.B.C+A.B'.C+A'.B.C+A.B.C'

By distributive law : A.B.C+A.B.C' = A.B(C+C')

By complement law: C+C'=1, so

A.B(C+C')=A.B

Therefore the answer will be A.B'.C+A'.B.C+A.B

7 0
3 years ago
Which of the binomials below is a factor of this trinomial? x² + 2x - 63 O A.X-3 OB. X+3 O C. X-9 O D. X + 9​
Marina CMI [18]

Answer:

D. X + 9​

Step-by-step explanation:

x² + 2x - 63

What 2 numbers multiply to -63 and add to 2

9 * -7 = -63

9+-7 = 2

(x+9)(x-7)

3 0
3 years ago
Determine the domain of the following graph
kondor19780726 [428]

Answer:

Step-by-step explanation:

1) The domain is related to the behaviour of the x

the graph started when x is -11 and finish when x is 1

so

D : [-11 ; 1]

or -11 ≤x ≤ 1

the range is related to the behavior of y

the graph start when y is -7 and finish when y = 0

Range : [-7;0]

or -7≤ y ≤ 0

6 0
3 years ago
The circumference of the target above is 6,449.56 mm.
enyata [817]

Answer:

<h2>2,052.9587095355</h2>

Step-by-step explanation:

<h2 /><h2>If circumference is 2r × pi, them diameter is circlumference ÷ pi.</h2><h2 /><h2>6449.56 ÷ Pi = 2,052.9587095355</h2>
8 0
3 years ago
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