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3 years ago

Can anyone please help me with 1-18

Mathematics

1 answer:

ruslelena [56]3 years ago

6 0

Answer:

a. 15 on top 8 on bottom

b. 2 on top -3 on bottom

c. 4 and 2

d. 4 on top 8.5 on bottom

e. -3 and -4

Step-by-step explanation:

multiply the two numbers on the sides to get the top answer and add them together to get the bottom answer.

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When three squares are joined at their vertices to form a right triangle, the combined area of the two smaller squares is the sa

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I have no idea and I would like to inform you that I’m just not smart

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3 years ago

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. Write an equation of the line that passes through the given points use point

Damm [24]

Answer:

$y = \frac{1}{3}x+\frac{1}{3}$

Step-by-step explanation:

First, we need to figure out a linear equation. When given two points - $(x_{1}, y_{1})$ and $(x_{2}, y_{2})$ - first subtract $y_{1}$ from $y_{2}$ and and $x_{1}$ from $x_{2}$ . So in your situation, it will be $2-1$ and $5-2$ . That equals $1$ and $3$ , so your slope (how much the line moves up/down per unit) will be $\frac{1}{3} x$ .

Next, we need to find the y-intercept. To solve using point-slope form, we will plug our numbers in:

$y-y_{1} = m(x-x_{1})\\y-1=\frac{1}{3}(x-2)\\y-1=\frac{1}{3}x-\frac{2}{3}\\/+1=//+1\\y = \frac{1}{3}x+\frac{1}{3}$

So our final equation is $y = \frac{1}{3}x+\frac{1}{3}$ , which passes through both $(2,1)$ and $(5,2)$ . Hope this helps :)

3 0

3 years ago

2 (t + 1) = 10 <br> SOLVE FOR T

Viefleur [7K]

T = 4

divide each term by 2 and simplify

2(t+1)/2 = 10/2

t+1 = 10/2

t+1=5

t=5-1

t=4

8 0

3 years ago

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A farmer from Whidbey Island: A man claims his whalebone can detect water. You design an experiment using a set of 4 cans, 3 emp

tatyana61 [14]

Answer:

The value is $E(x) = 1.25$

Step-by-step explanation:

From the question we are told that

The number of cans is n = 4

The number of can that are empty is N = 3

The number of can filled with water is k = 1

The number number of sets of cans is w = 5

Generally probability of detecting the correct can is mathematically represented as

$p = \frac{k}{n}$

=> $p = \frac{1}{4}$

=> $p = 0.25$

Generally probability of not detecting the correct can is mathematically represented as

$q = 1- p$

$q = 1- 0.25$

$q = 0.75$

Generally the number of cans expected of the farmer to correctly identify by chance is mathematically represented as

$E(x) = w * p$

=> $E(x) = 5 * 0.75$

=> $E(x) = 1.25$

5 0

2 years ago

What is the domain and range of y=-1/4(x)

LenKa [72]

Domain: $(-\infty, \infty)$

Range: $(-\infty, \infty)$

Explanation:

The function is $y=-\frac{1}{4} x$

The domain of a function is the set of all input values for which the function is well defined. Generally, domain consists of all x-values of the function. Hence, the function $y=-\frac{1}{4} x$ is defined in the interval $(-\infty, \infty)$ .

The range of a function is the set of output values obtained by substituting the value of x in the function. Hence, the function $y=-\frac{1}{4} x$ is defined in the interval $(-\infty, \infty)$ .

6 0

3 years ago