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kramer
2 years ago
7

I don’t know how to do this

Mathematics
1 answer:
tigry1 [53]2 years ago
3 0

Answer:

5 ≥ x > 9

Step-by-step explanation:

x>9

5>=x

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At a surf shop in Malibu, California, a used blue surfboard is on sale for $100. According to the salesperson, the new price rep
Leokris [45]

Answer:

$125

Step-by-step explanation:

if there was a discount of 20%, the sales price is 100 - 20 = 80% of the original price

let a = original price

this equation can be used to represent the question

a x 0.8 = 100 ]]divide both sides by 0.8

a = 100 / 0.8 = 125

4 0
2 years ago
Solve this simultaneous equation x+2y=11 <br> x-2y=1
lana [24]

Answer:

Equation 1,

x + 2y = 11

Equation 2,

x - 2y = 11

Take equation number 2.

x  -  2y = 11 \\ x = 11  +  2y

Substitute 'x' in Equation number 1.

x + 2y = 11 \\ 11 + 2y + 2y = 11 \\ 11 + 4y = 11 \\ 4y = 11 - 11 \\ 4y = 0 \\ y =  \frac{0}{4}  \\ y = 0

<u>y = 0.</u>

So x,

x = 11 - 2y \\ x = 11 - 2(0) \\ x = 11 - 0 \\ x = 11

<u>x = 11.</u>

7 0
3 years ago
Read 2 more answers
Hep me find the measure of angle y
sergiy2304 [10]

Answer:

130

Step-by-step explanation:

first find angle C, which is 180-90-40=50

angle Y=180-50=130

6 0
3 years ago
Read 2 more answers
Tanapcalcbr9 5.6.005. - the world population at the beginning of 1990 was 5.3 billion. assume that the population continues to g
Dominik [7]

An increase of 2% per year means the population is multiplied by 1.02 each year. Your exponential function with a base of 1.02 and a scale factor of 5.3 (billion) will look like this:

... q(t) = 5.3×1.02^t

3 0
3 years ago
15% converted to a fraction then simplified to lowest terms
mojhsa [17]
Percent means parts out tof 100 so 15%=15/100
divide by 5/5
3/20=lowet terms
4 0
3 years ago
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