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Tanya [424]
3 years ago
7

Confused? Please, Help?

Mathematics
1 answer:
uysha [10]3 years ago
8 0
Domain={-4,3} range={2,3}
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4х + Зу = 3<br> 4x - 2y = 18<br> How to solve this?
Brilliant_brown [7]

Using elimination, you can do

4x+3y-(4x-2y)=3-(18)

5y=-15

y=-3

Substitute it back into original equation:

4x+6=18

4x=12

x=3

<h2>So, the answer is <u><em>x=3, y=-3</em></u></h2>

5 0
3 years ago
A fish population in a lake decreases by 2% each year. What is the common ratio? (Write your answer as a decimal)
galina1969 [7]

Answer:

the common ratio is 0.98.

Step-by-step explanation:

A fish population in a lake decreases by 2% each year. We are asked to find the common ratio.

The decrease of population of fish 2% annually means the population becomes next year 100% - 2% = 98%

Therefore, the common ratio would be 98%. Upon converting 98 percent to a decimal we will get,

98% = \frac{98}{100}=0.98

Therefore, the common ratio or decay factor is 0.98.

8 0
3 years ago
The app has been on for a while now I have been trying
valkas [14]
Check the picture below.

3 0
3 years ago
There are 180 days in a school year, If you
Andreyy89

Answer:

540

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
What does the measure of B Equal?
defon
You have two triangles, ADC and ABC.
Sides AD and AB are congruent.
Sides DC and BC are congruent.
Side AC is congruent to itself.
By SSS, triangles ADC and ABC are congruent.

Corresponding parts of congruent triangles are congruent.
That means that angles DAC and BAC are congruent.
Angles DCA and BCA are congruent.

Since m<DAC = 32, then m<BAC = 32
Since m<DCA = 41, then m<BCA = 41.

Now you know the measures of two angles of triangle ABC.
The measures of the interior angles of a triangle add to 180.
You can find the measure of angle B.

m<BAC + m<B + m<BCA = 180

32 + m<B + 41 = 180

m<B + 73 = 180

m<B = 107
8 0
4 years ago
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