Triangles practice, need help.

Answers

Answer 1

Answer: Y is 15 and x is 14 mark me as brainless

Answer 2

Answer: x = 13, assuming they are the same length.
Using the pythagorean Theorem formula (a^2 + b^2 + c^2) Plug in A and B (13, and 13).
(13)^2 + (13)^2 = c^2
13 • 13 + 13 • 13 = c^2
169 + 169 = c^2
v/338 = v/c^2 (square root them both)
Then you can have your answer for y, hope this helps

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Solve for y: 3/4(5x-y)<3

Answers

$(3)/(4)(5x-y) < 3\ \ \ /\cdot(4)/(3)\n\n(4)/(3)\cdot(3)/(4)(5x-y) < (4)/(3)\cdot3\n\n5x-y < 4\ \ \ /-5x\n\n-y < 4-5x\ \ \ /\cdot(-1) < 0\ then\$

$------------------------\ny=5x-4\n\nfor\ x=0\to y=5\cdot0-4=0-4=-4\to A(0;-4)\n\nfor\ x=2\to y=5\cdot2-4=10-4=6\to B(2;\ 6)\n------------------------\n\nlook\ at\ the\ picture$

Find the indicated term of the given arithmetic sequence. Find the indicated term of the given arithmetic sequence. a^1 = 45, d = –6, n = 8a. 309
c. 3
b. –3
d. 87

Answers

an = a1+d*(n-1)
a8 = 45 - 6*(8-1) = 3

A dairy farmer accidentally allowed some of his cows to graze in a pasture containing weeds that would contaminate the flavor of the milk from this herd. The farmer estimates that there's a a 9 9% chance of a cow grazing on some of the flavorful weeds. (a) Under these conditions, what is the probability that none of the 16 16 animals in this herd ate the tasty weeds? (b) Does the Poisson model give a good estimate of the probability that no animal ate the weed?

Answers

Answer:

the required probability of is 0.1886

the approximate probability is 0.2052

Step-by-step explanation:

The farmer estimates that there's a a 9 9% chance of a cow grazing on some of the flavorful weeds

i.e P = 9.9% = 0.099

Let assume that X is a description of how the cows are grazing on some of the flavorful weeds.

The probability density function of the binomial distribution is :

$\mathbf{P(X=x)=(^n_x)_(p^x)(1-p)^(n-x)}$

To calculate that the probability that none of the 16 animals in this herd ate the tasty weeds.

$\mathbf{P(X=0)=(^(16) _0){(0.099)^0}(1-0.099)^(16-0)}$

= $\mathbf{1*1*0.1886}$

= 0.1886

Thus; the required probability of is 0.1886

b) To calculate the probability that no animal ate the weed.

By using Poisson approximation model:

$\mathbf{P(X=0) = (e^(-(np))(np)^x)/(x!) }$

$\mathbf{P(X=0) = (e^(-(16*0.099))(16*0.099)^0)/(0!) }$

$\mathbf{P(X=0) =e^(-1.584)}$

$\mathbf{P(X=0) =1.5254*10^(-7)}$

= $\mathbf{0.2052}$

Hence; the approximate probability is 0.2052

Write the following number in expanded form 46,371

Answers

46,371 = 40,000 + 6,000 + 300 + 70 + 1

If f(x) = 6 – 5x and g(x) = 4x – 1, evaluate f(x) – g(x) for x = –2. A. –11 B. 7 C. 9 D. 25

Answers

Answer:

D. 25

Step-by-step explanation:

f(x) = 6 – 5x and g(x) = 4x – 1

We want to subtract.

f(x) -g(x)= 6 – 5x -( 4x – 1)

Distribute the minus sign

6 – 5x - 4x + 1

I line them up vertically

– 5x +6

- 4x + 1

-------------------

-9x +7

Now let x = -2

-9(-2) +7

18+7

What plus what equals 160

Answers

The equation to show the sum of two number is 160: x + y = 160.

An equation is a mathematical statement that shows that two expressions are equal.

To find two numbers that add up to 160, we can Set up an equation with two unknowns, x and y, representing the two numbers:

x + y = 160

Since there are infinitely many possible combinations of two numbers that add up to 160.

Some combinations are:

1. x = 80, y = 80

80 + 80 = 160

2. x = 50, y = 110

50 + 110 = 160

3. x = 30, y = 130

30 + 130 = 160

4. x = -20, y = 180

-20 + 180 = 160

5. x = 0, y = 160

0 + 160 = 160

These are just a few examples, and there are many other combinations of numbers that satisfy the equation x + y = 160.

Learn more about Equation here:

brainly.com/question/29657983

#SPJ6

80 plus 80 is equal to 160. It's like 8 plus 8 equals 16, just add a zero to the end to each numbers it's easier to think that way

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