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abruzzese [7]
3 years ago
14

8x-20 - 3x-1 finding c

Mathematics
1 answer:
fomenos3 years ago
3 0
What’s c? Not valid question
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I need help on this problem
chubhunter [2.5K]
The value of x
3x°+46°+(2x-1°)=180°(angle sum of △)
5x+45=180°
5x=180°-45
x=135÷5
x=27
x is 27

put x into angle B,we have
2(27)-1
=53

thus angleB is 53°

hope it helps c:
6 0
3 years ago
Read 2 more answers
For what values of m does the graph of y = 3x2 + 7x + m have two x-intercepts
Irina18 [472]

we are given

y=3x^2+7x+m

To find x-intercept means we have to find zeros

and for finding zeros , we will use quadratic formula

and we have it has two x-intercepts

so, it's discriminant must be greater than 0

so, we will find discriminant

D=\sqrt{b^2-4ac}

now, we can compare with

y=ax^2+bx+c

y=3x^2+7x+m

and then we can find a , b and c

a=3,b=7,c=m

now, we can find D

D=\sqrt{7^2-4*3*m}

D=\sqrt{49-12m}

It has two x-intercepts

so,

D=\sqrt{49-12m}>0

now, we can solve for m

49-12m>0

12m

m............Answer

8 0
3 years ago
Read 2 more answers
HELPP PLS ! THE ANSWER IS x=4 BUT ..
Alex777 [14]
The quotient is 5x+3 and the remainder is 5/x-1

my work is attached below

4 0
2 years ago
What is the value of in e^4? <br> A.0<br> B.1<br> C.2<br> D.4
Alex777 [14]
The answer should be D. 

Hope it helped you.


7 0
3 years ago
Read 2 more answers
What is the answer 19=3s+4
krok68 [10]

Answer:

Step-by-step explanation:

hello :

19=3s+4

19-4 = 3s+4-4

3s=15

s=15/3

s=5

5 0
3 years ago
Read 2 more answers
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