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Inessa05 [86]
3 years ago
10

Which statement is true about the equation 3.5z = 2.25z − 4.25 + 6.25? It has no solution. It has one solution. It has two solut

ions. It has infinitely many solutions.
Mathematics
2 answers:
LenKa [72]3 years ago
5 0
3.5z=2.25z-4.25+6.25
1.25z=2
z=1.6. As a result, this equation have one solution. Hope it help!
hammer [34]3 years ago
4 0

Answer:

It has one solution.

Step-by-step explanation:

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I NEED HELP PLEASE IM BEGGING YOU!!!<br> IM BEGGING YOU
eduard

Answer:

35 feet

Step-by-step explanation:

60 in= 5 feet

3.5/5= x/50

5x=175

y=35

3 0
3 years ago
-2x(-3x +2)- (x+2)2<br> giúp tôi với!
Alex777 [14]

Answer:

-32 or 4x -8

Step-by-step explanation:

-2 ( -3x + 2 ) : 6x - 4

= 6x -4 - 2 ( x + 2 )

- 2 ( x + 2 ) : - 2x -4

=6x - 4 - 2x - 4

= 6x -2x - 4 - 4

= 6x - 2x - 8

= 4x - 8

= -32  

( Im not really sure what is the answer )

( the "x" is alphabet, not "times" )

6 0
3 years ago
Read 2 more answers
9/15+2/5 need help adding fractions
GenaCL600 [577]

Answer:

15/15 aka 1

Step-by-step explanation:

9/15 and 2/5

keep the 9/15 and then denominator the bottom number has to be the same as the first one so multiply 5 times 3 to get 15 whatever you do to the bottom you have to do to the top so 2 times 3 equals 6.

9/15 and 6/15

9+6 equals 15

15/15 which then equals 1

4 0
3 years ago
Read 2 more answers
A parabola has a vertex of (3, 6) and passes through the point (1, 42).
Degger [83]

The value of the constant a for the parabola will be equal to a=9

<h3>What is a parabola?</h3>

The parabola is an open curve, and a conic section which is produced by the intersection of a right circular cone and a plane parallel to an element of the cone.

Here we have the equation of the parabola:-

f(x)a(x-h)²+k

Since a parabola has a vertex of (3, 6) and passes through the point (1, 42).

By putting the values in the equation we can find the value of a;-

(42)=a(1-3)²+6

4a=42-6

a=36/4

a=9

Hence the value of the constant a for the parabola will be equal to a=9

To know more about parabola follow

brainly.com/question/4148030

#SPJ1

7 0
2 years ago
Write the equation of the line that passes through the points (7, —4) and (—1 , 3) , first in point -slope form , and then slope
ipn [44]

Answer:

The slope of the line is -7/8

The point slope-form is y+4=(-7/8)(x-7)

The slope-intercept form is y=(-7/8)x+(17/8)

Step-by-step explanation:

You have to find the slope first using m=y2-y1 divided by x2-x1. After you found the slope of the line, you use one of the points to plug it into the point-slope form which is y-y1=m(x-x1). After you have done that, you would have convert this equation into slope-intercept form which is y=mx + b. In order to convert it, you have to multiply m with x and x1. Then you would have to get rid of y1 by doing the opposite of what y1 is. Finally, you would take the opposite of y1 and add it to the other side of the equation.

Really hope this helps! :)

5 0
3 years ago
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