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frez [133]
2 years ago
10

WILL GIVE BRAINLIEST

Mathematics
1 answer:
Rufina [12.5K]2 years ago
8 0

Answer:

60

Step-by-step explanation:

rate of change of graph,df(x)/dx

=(120-0)/(3-1)=60

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Solve the system of equations 4x+5y=-1 and -5x-8y=10 by combining the equations.
Nimfa-mama [501]

The solution of the equation are as follows:

x = 6 and y = -5

<h3 />

<h3>How to solve the system of equation?</h3>

4x + 5y = -1

-5x - 8y = 10

Therefore,

20x + 25y = -5

-20x - 32y = 40

-7y = 35

y = -5

Hence,

4x + 5(-5) = -1

4x - 25 = -1

4x = -1 + 25

4x = 24

x = 24 / 4

x = 6

learn more on equation here:brainly.com/question/14383993

#SPJ1

6 0
1 year ago
Simplify the problem given.
maks197457 [2]
Step Number 1. is to Simplify \frac{4}{8}  to  \frac{1}{2}

Step Number 2. <span>Simplify so you get </span>\frac{x}{4} +  \frac{5}{3}

Done! :)
4 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20%5Csqrt%7B%20%5Cfrac%7B36%7D%7B4%7D%20%7D%20" id="TexFormula1" title=" \sqrt{ \frac{36}{4}
iris [78.8K]

Step-by-step explanation:

\sqrt{36/4} =\sqrt{36} /\sqrt{4}

\sqrt{36}=6

\sqrt{4} =2

6/2=3

Hope that helps :)

7 0
2 years ago
Which Two Numbers Add Up To Negative 26 And Multiply To 11?
Fynjy0 [20]
Xy=11
x+y=-26


x+y=-26
minus x both sides
y=-26-x

sub for y
x(-26-x)=11
-26x-x^2=11
add 26x+x^2 both sides
x^2+26x+11=0

ax^2+bx+c=0
x=\frac{-b+/- \sqrt{b^{2}-4ac} }{2a}


a=1
b=26
c=11

x=\frac{-26+/-\sqrt{26^{2}-4(1)(11)} }{2(1)}
x=\frac{-26+/-\sqrt{676-44} }{2}
x=\frac{-26+/-\sqrt{632} }{2}
x=\frac{-26+/-2\sqrt{158} }{2}
x=-13+/-\sqrt{158}

x=-13+\sqrt{158} or -13-\sqrt{158}

aprox

x=-0.420195 or -25.5698

those are the numbers
5 0
3 years ago
Pay!ng someone to do my math exam! If you’re down contact me on my !nsta kiara.c1
dimaraw [331]
How much we talking like 20 dollars or something
3 0
2 years ago
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