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poizon [28]
3 years ago
10

3. Which ordered pair is the solution to the following system of equations? y = x + 4 x+y=2

Mathematics
1 answer:
nikitadnepr [17]3 years ago
3 0

Answer:

(-1, 3)

Step-by-step explanation:

replace the occurrences of y in the equation

(x + y = 2) with x + 4

x + x + 4 = 2

2x + 4 = 2

solving for x in the first equation

2x = 2 - 4

2x = -2

2x/2 = -2/2

x = -1

replacing all occurrences of x in y = x + 4 with -1

y = (-1) + 4

y = 3

therefore the pairs are (-1, 3)

Hope it helps!

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one day in January the high temperature was -3.6 degrees and the low temperature was -22.3 degrees what was the difference betwe
Alisiya [41]

Answer:

(-3.6) - (-22.3) = -3.6 + 22.3 = 18.7


3 0
3 years ago
Let f(x) = 4x + 3 and g(x) = -2x + 5. Find.(f o g) (5)
daser333 [38]
<span>f(x) = 4x + 3
g(x) = -2x + 5

(f o g) (5) means the function of g when g is a function of 5
(the function of the function concept)

so we need to get g(5) firstly

</span>
<span>g(x) = -2x + 5
g(5)= -2(5) + 5 = -5

After that, f(g(5)) = f(-5) = 4(-5) + 3 = -20 + 3 = -17


I hope that helps
</span>
4 0
3 years ago
Sami has $500 to invest. Suppose he has the following investment options: 3% compounded annually for 4 years, 4% compounded annu
evablogger [386]

i think the answer is 5% compounded annually for 2 years.


                                              hope it helps

8 0
3 years ago
Read 2 more answers
HELP ASAP PLEASE!
Genrish500 [490]

Step-by-step explanation:

lets take a look....

In order to find the perimeter of a triangle you have to get the sum of all sides. In other words,

Blue triangle:

p = (4x +2) + (7x + 7) + (5x  - 4) \\ p = 4x + 2 + 7x + 7 + 5x - 4 \\ p = 16x + 5

Red triangle:

p = (x + 3) + (2x - 5) + (x + 7) \\ p = x + 3 + 2x - 5 + x + 7 \\ p = 4x + 5

Difference:

d = (16x + 5) - (4x + 5) \\ d = 16x + 5 - 4x - 5 = 12x \\ d = 12x

4 0
3 years ago
Rewrite each sum as a product of the gcf and a new sum 100+350
maw [93]

Answer: olution:-  The sum of 100 and 350 is 450

and  The greatest common factor GCF, is the greatest factor that divides two numbers.

Therefore,

The great common factor (GCF) of 100 and 350 = 50

now the other sum will be 1+0+0+3+5+0 = 9

So According to the question

sum = GCF x another sum

⇒ 450 = 50 x 9

Step-by-step explanation:

4 0
3 years ago
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