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suter [353]
2 years ago
13

THIS IS WORTH 50 POINTS WILL MARK BRAINLYEST PLEASE HELP

Mathematics
1 answer:
zloy xaker [14]2 years ago
8 0
Since the first equation says y= x-4, substitution that for the y value in x + y = 6

x + x - 4 = 6

add up the x’s to get 2x - 4 = 6

add 4 to both sides to get 2x = 10

divide both sides by 2 to get x = 5

the x value is 5

then, to figure out the y value, substitute 5 for the x value in y = 5-4

the y value is 1

final answer: x = 5 and y = 1

hope this helped!!
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The price of products may increase due to inflation and decrease due to depreciation. Derek is studying the change in the price
Amiraneli [1.4K]
Product A is increasing because the base 1.03 in the exponential is greater than 1.

The percent increase is (1.03-1)*100\%=0.03*100\%=3\% per year.

For product B, the rate of increase is \frac{10,201}{10,100}=1.01

The percent increase is (1.01-1)*100\%=0.01*100\%=1\% per year.

Product A has a higher percent increase.
5 0
3 years ago
Read 2 more answers
Anyone I’m really lost
Savatey [412]

Answer:

The answer is option 3.

Step-by-step explanation:

You have to substitute H+=2×10^(-9) into the equation of pH :

pH = -log[H+]

H+ = 2×10^(-9)

pH = -log[2×10^-9]

= 8.70 (3s.f)

3 0
3 years ago
Please help me with this question!!!
Rasek [7]

The unit rate is $2.75

If you divide the cost by Movies/week you would always get $2.75

For example:

11÷4=2.75

13.75÷5=2.75

19.25÷7=2.75

22÷8=2.75

Hope this helps you :))

8 0
3 years ago
Please help!!!!!!!!!
Musya8 [376]

Answer:

what the what lolllll

Step-by-step explanation:

7 0
3 years ago
A regular polygon is drawn in a circle so that each vertex is on the circle and is connected to the center by a radius Each o th
zysi [14]

A regular polygon is drawn in a circle so that each vertex is on the circle

Each of the central angles has a measure of 40

360 / 40 = 9

so the polygon has 9 sides

Answer is the second option

9



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3 years ago
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