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Sloan [31]
2 years ago
11

Find and x and y PLEASE HELP

Mathematics
1 answer:
Bogdan [553]2 years ago
6 0

Answer:

Step-by-step explanation:

x is 79 and y is 47

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GUYS please
Advocard [28]

Answer:

2.64

Step-by-step explanation:

0.9(x + 1.4) - 2.3 + 0.1x = 1.6

0.9x + 1.26 -2.3 + 0.1x - 1.6 = 0

(0.9x + 0.1x) + (1.26 - 2.3 - 1.6) = 0  

x - 2.64 = 0

x = 2.64

8 0
2 years ago
A rocket is launched from a tower. The height of the rocket, y in feet, is related to the
sladkih [1.3K]

Answer:

10.17 seconds

Step-by-step explanation:

substitute y=0 into the equation

0=-16x²+153x+98

then use the quadratic formula

a = -16

b= 153

c = 98

Substituting values into the Quadratic equation, you get (Round the values to the nearest hundreth):

x₁= 10.17

x₂= -0.60

5 0
2 years ago
The half-life of a radioactive kind of iodine is 60 days. How much will be left after 240 days, if you start with 480 grams of i
exis [7]

Answer:

30 grams

Step-by-step explanation:

half life is 60 days so every 60 days the amount 480 grams will be half

in 240 days will decay  240 /60 = 4 times

once 480 /2 = 240

twice 240 /2 = 120

trice 120 / 2 = 60

four times 60/2 = 30 grams will be left

6 0
2 years ago
Ou are having a family-barbeque. In attendance are a grandfather, a grandmother, two fathers, two mothers, four children, three
spin [16.1K]
46 burgers is the minimum amount, because there are 23 people who will each eat two burgers. 
5 0
3 years ago
Reina surveyed her friends, asking each of them, "How many times have you been to the amusement park?" The resulting data set ha
Anna [14]

Answer:

1. right, 2. median, 3. range or the IQR

Step-by-step explanation:

5 0
2 years ago
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