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ki77a [65]
3 years ago
14

Need help on this please

Mathematics
1 answer:
Delvig [45]3 years ago
6 0
The answer would be skewed right
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Solve using substitution <br> 7x-9y=-9<br> X=-9
Inessa05 [86]

Answer:

y=6

x=6.42

Step-by-step explanation:

7(-9)+9y=-9

-63+9y=-9

+63         +63

9y/9=54/9

y=6

7x-9(6)=-9

7x-54=-9

   +54   +54

7x/7=45/7

x=6.42

3 0
4 years ago
How do I do 3x(35n)-4364. If n =5634. Answer to 3 dp pls
SSSSS [86.1K]

Answer:

3(35(5634))-4364=

3(197,190)-4364=587,206

5.87 x 10 ^(5)


not sure if this is what you're looking for


Step-by-step explanation:


3 0
3 years ago
Which set of systems of equations represents the solution to the graph?
Kamila [148]

The correct graph for the given sets of equation is given attached below.
Equation no 2 gives the perfect solution to the graph.

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

A parabola, is cross section cut out of the cone and represented by an equation Y=4ax^2

Clearly, by property of the parabola, the curve of parabola should symmetric to its axis. From this property set of Equation (2) i.e. downward opening parabola increasing from negative 2 comma negative 3 to a maximum at 0 comma 1 and then decreasing through the point 2 comma negative 3 Holds the property of the parabola

Thus, the required solution for the sets of equation (2) is given in the attachment.

Learn more about parabola here:
brainly.com/question/4074088

#SPJ1

8 0
2 years ago
7th grade math help me pleaseee
GrogVix [38]

A = 8

B = 50

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Please factor these three questions- (30 points)
julia-pushkina [17]

Answer:

(a - 6)²

(3c + 1)²

30e(e - 1)²

Step-by-step explanation:

a^2-12a+36

a² - 6a - 6a + 36

a(a - 6) - 6(a - 6)

(a - 6)(a - 6)

(a - 6)²

9c^2 + 6c + 1

9c² + 3c + 3c + 1

3c(3c + 1) + 1(3c + 1)

(3c + 1)(3c + 1)

(3c + 1)²

30e^3 - 60e^2 + 30e

30e(e² - 2e + 1)

30e(e² - e - e + 1)

30e[e(e - 1) - (e - 1)]

30e(e - 1)(e - 1)

30e(e - 1)²

8 0
3 years ago
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