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Temka [501]
3 years ago
15

What is the solution to the system of equations below?

Mathematics
2 answers:
Nutka1998 [239]3 years ago
6 0
Answer: (-6,8)
Explanation:
natima [27]3 years ago
4 0
A) (-6,8)
i used the substitution method
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Please answer whoever gets it right brainliest
lubasha [3.4K]
2 less than n is n-2
And
n plus n is 2n
7 0
3 years ago
Describe what the notation Upper P (Upper B vertical line Upper A )represents.
sergey [27]

Answer: Option 'D' is correct.

Step-by-step explanation:

Since we have given that

Upper P (Upper B vertical line Upper A)

means

P(B|A)

It means that probability of getting event B given that Event A is occurred.

D. The probability of event B​ occurring, given that event A has already occurred. is also expressed as P(B|A)

Hence, Option 'D' is correct.

4 0
3 years ago
1. What are the solutions (coordinate points) to the system of equations?
Leto [7]

Question 1

The given system of equations is:

y =  {x}^{2}  + 5x + 6 \\ y = 3x + 6

Equate the two equations:

{x}^{2}  + 5x + 6 = 3x + 6

Rewrite in standard form:

{x}^{2}  + 5x - 3x + 6 - 6 = 0

{x}^{2}   + 2x = 0

x(x + 2) = 0

x = 0 \: or \: x =  - 2

When we put x=0, in y=3x +6, we get:

y = 3(0) + 6 = 6

One solution is (0,6)

When we put x=-2, into y=3x+6, we get:

y = 3( - 2) + 6 = 0

Another solution is (-2,0)

The solutions are; (0,6) and (-2,0)

Question 2:

The function is

f(x) =  {x}^{6}  -  {x}^{4}

Let us put x=-x,

f( - x) =  {( - x)}^{6}  -  {( - x)}^{4}

This gives:

f( - x) =  {x}^{6}  -  {x}^{4}

We can observe that:

f(x) = f( - x)

This is the property of an even function.

Question 3:

The given function is

f(x) =  {x}^{2}  + 3x - 2

The average rate of change of f(x) from x=a to x=b is given as:

\frac{f(b) - f(a)}{b - a}

This is the slope of the secant line connecting the two points on f(x)

From x=2 to x=6, the average rate of change

=  \frac{f(6) - f(2)}{6 - 2} \\   =  \frac{ {6}^{2}  + 3 \times 6 -  2 -  {2}^{2}   -  3 \times 2  + 2 }{4} \\   =  \frac{36 + 18 - 4  - 6}{4}  \\  =  \frac{44}{4}   \\ = 11

The average rate of change is 11

3 0
3 years ago
James wants to tile his floor using tiles in the shape of a trapezoid. To make
GenaCL600 [577]
The answer is A :)!!
5 0
3 years ago
If nick did 112 push-ups in 2 weeks, how many push-ups would nick do in 18 days?
kap26 [50]

Answer:

144 push-ups

Step-by-step explanation:

hii

assuming they did the same amount of pushups every day:

112 pushups in 14 days

112p : 14d

xp : 18d

14 ÷ 7 =2

2 × 9 = 18

do the same do the pushups ( ÷7 and ×9)

112 ÷ 7 = 16

16 ×9 = 144

should be 144 pushups

hope this helps :)

3 0
2 years ago
Read 2 more answers
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