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Afina-wow [57]
3 years ago
12

Plssss I need help Im in classsss plsss

Mathematics
1 answer:
Sav [38]3 years ago
5 0

Step-by-step explanation:

Y=-4x+3

2x+3y=19

2x+3(-4x+3)=19

2x-12x+9=19

-10x=10

X=-1

y=-4*(-1)+3=4+3=7

x=-1 y=7

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Please help me with both one and two. Thanks!!
lesya [120]
1. a²+b²=c²
a=6²=36
b=x²
c=15²=225
x=√189 feet deep (the square root of 189)
2. a²+b²=c²
a=3²=9
b=x²
c=5²=25
x=√16=4

Hope that helped
;)
3 0
3 years ago
Assume the random variable X has a binomial distribution with the given probability of obtaining a success. Find the following p
ollegr [7]

Use the PMF for the given distribution:

P(X=x) = \begin{cases}\dbinom{15}x 0.8^x (1-0.8)^{15-x} & \text{if } x \in\{0, 1, 2, \ldots, 15\} \\ 0 & \text{otherwise}\end{cases}

Then the probability that X = 14 is

P(X=14) = \dbinom{15}{14} 0.8^{14} 0.2^1 \approx \boxed{0.1319}

6 0
2 years ago
Express the complex number in trigonometric form. -3i
Maksim231197 [3]
Remember to use trig form the general equation is: r(cos(angle) + i sin(angle))
to find r, take √a^2 + b^2 to get 3 for the angle it would be undefined so thee argument would be π / 2. So your answer is 3(cos(π/2) + i sin(π/2))
8 0
3 years ago
Read 2 more answers
The table below shows the values of f(x) and g(x) for different values of x. One of the functions is a quadratic function, and t
VMariaS [17]

Answer:

The answer is f(x), because it grows slower than g(x).

Step-by-step explanation:

f(x) is a quadratic function (because as you can see the formula of f(x) is x^2 + 2). The function of g(x) is exponentional, and therefore it grows faster than f(x).

5 0
3 years ago
At a shelter, 15% of the dogs are puppies their are 60 dogs
devlian [24]

Answer:

9 puppies

Step-by-step explanation:

15% = 9 puppies

30% = 18 dogs

75% = 45 dogs

100% = 60 dogs

6 0
4 years ago
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