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Svetach [21]
3 years ago
8

Which system is equivalent to StartLayout Enlarged left-brace 1st row y = 9 x squared 2nd row x + y = 5 EndLayout StartLayout En

larged left-brace 1st row 5 minus x = 9 x squared 2nd row y = 5 minus x EndLayout StartLayout Enlarged left-brace 1st row y = 9 y squared minus 90 y + 225 2nd row x = y minus 5 EndLayout StartLayout Enlarged left-brace 1st row 5 + x = 9 x squared 2nd row y = 5 + x EndLayout StartLayout Enlarged left-brace 1st row y = 3 x 2nd row x + 3 x = 5 EndLayout
Mathematics
2 answers:
Anit [1.1K]3 years ago
7 0

Answer:

The answer is C.) (2,5)

Step-by-step explanation:

I Have Edge

Stella [2.4K]3 years ago
4 0

Answer:

3rd option

Step-by-step explanation:

trust me

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What is 45% written as a fraction
Neko [114]
There are 2 ways you can write this.

You can either do /1 or /100

\frac{45}{1} or \frac{45}{100}

The most used is \frac{45}{100}

7 0
3 years ago
B=1/4af solve for a<br> if u could answer this as fast as possible that would be great
liq [111]

Answer:

b/(1/4)(f)=a

Step-by-step explanation:

b=1/4af

b/(1/4)(f)=a

6 0
3 years ago
Read 2 more answers
Help me pls !!!<br><br> answer all pls
polet [3.4K]
1. We assume, that the number 128 is 100% - because it's the output value of the task. 
<span>2. We assume, that x is the value we are looking for. </span>
<span>3. If 128 is 100%, so we can write it down as 128=100%. </span>
<span>4. We know, that x is 51% of the output value, so we can write it down as x=51%. </span>
5. Now we have two simple equations:
1) 128=100%
2) x=51%
where left sides of both of them have the same units, and both right sides have the same units, so we can do something like that:
128/x=100%/51%
6. Now we just have to solve the simple equation, and we will get the solution we are looking for.

7. Solution for what is 51% of 128

128/x=100/51
<span>(128/x)*x=(100/51)*x       - </span>we multiply both sides of the equation by x
<span>128=1.96078431373*x       - </span>we divide both sides of the equation by (1.96078431373) to get x
<span>128/1.96078431373=x </span>
<span>65.28=x </span>
x=65.28

<span>now we have: </span>
<span>51% of 128=65.28</span>
8 0
3 years ago
What is the slope of the line with equation y-3=-1/2(x-2)?​
ludmilkaskok [199]

Answer:

slope = - \frac{1}{2}

Step-by-step explanation:

The equation of a line in point- slope form is

y - b = m(x - a)

where m is the slope and (a, b) a point on the line

y - 3 = - \frac{1}{2}(x - 2) ← is in point- slope form

with slope m = - \frac{1}{2}

6 0
3 years ago
Y’all give me dis answer to
Leto [7]

Answer:

The solution is: (1,-3)

Step-by-step explanation:

Given equations are:

x-y=4     Eqn 1

4x+y = 1     Eqn 2

Substitution involves finding value of a variable from one equation and putting in other equation

From equation 1

x = y + 4

Putting in equation 2

4(y+4) + y = 1\\4y+16+y = 1\\5y = 1-16\\5y = -15\\\frac{5y}{5} = \frac{-15}{5}\\y = -3

Putting y = -3 in equation 1

x- (-3) = 4\\x + 3 = 4\\x = 4-3\\x = 1

Hence,

The solution is: (1,-3)

6 0
3 years ago
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