ANYBODY KNOW THIS????

ANYBODY KNOW THIS????

Answers

Answer 1

Answer:

The length of BD equals 7.4

Step-by-step explanation:

We can use the pythagorean theorem to solve this.

This is the pythagorean theorem:

[tex] {a}^{2} + {b}^{2} = {c}^{2} [/tex]

Let's solve.

[tex] {a}^{2} + {b}^{2} = {c}^{2} \\ {a}^{2} + {3}^{2} = {8}^{2} \\ {a}^{2} + {9} = {64} \\ \frac{ \: \: \: \: \: \: - 9 = - 9}{ {a}^{2} = \sqrt{55} } \\ a = 7.4[/tex]

Therefore, The length of BD = 7.4.


Related Questions

What’s five divided by 50

Answers

0.1 is your answer hope this helps

Answer:

0.1

Step-by-step explanation:

-14 + 9x in standard form

Answers

Answer:

9x-14

Step-by-step explanation:

the format of the slope intercept formula mx+b

9x-14 in standard form. You’re welcome.

b) Another brand of sheets is on sale 30% off with a regular price of $18.00 per sheet. Which is a better deal, the previous example or this one? Explain. (2 points)

30% OFF EACH SHEET!

30% OFF EACH SHEET!

Answers

Answer:

30= 20 so, that’s 10 dollars of

                                            1o+ 7. 5=17. 5+10=27 .50

Step-by-step explanation:

I took the test hope this helps

Find the slope of the line that passes through (2, 1) and (6,2).

Answers

Answer:

[tex]\boxed{m = \frac{1}{4}}[/tex]

.

Step-by-step explanation:

Use the form below

[tex]\boxed{\boxed{m = \frac{y_2 - y_1}{x_2 - x_1} }}[/tex]

Where

[tex]m[/tex] is a slope[tex](x_1,~y_1)[/tex] and [tex](x_2,~y_2)[/tex] are the point of the line

.

So, the slope is

[tex](2,~ 1) \to x_1 = 2~and~y_1 = 1[/tex]

[tex](6,~ 2) \to x_2 = 6~and~y_2 = 2[/tex]

.

[tex]m = \frac{2-1}{6-2}[/tex]

[tex]m = \frac{1}{4}[/tex]

.

Happy to help:)

Answer:

[tex]\boxed {\boxed {\sf m=\frac{1}{4}}}[/tex]

Step-by-step explanation:

The slope of a line can be found using the slope formula or dividing the change in y by the change in x.  

[tex]m=\frac{y_2-y_1}{x_2-x_1}[/tex]

where (x₁, y₁) and (x₂, y₂) are the points the line passes through.

We are given the points (2,1) and (6,2). Therefore:

[tex]x_1=2 \\y_1= 1\\x_2= 6\\y_2=2[/tex]

Substitute the points into the formula.

[tex]m=\frac{2-1}{6-2}[/tex]

Solve the numerator.

2-1=1

[tex]m=\frac{1}{6-2}[/tex]

Solve the denominator

6-2=4

[tex]m=\frac{1}{4}[/tex]

This fraction cannot be reduced further, so it is the slope. It can be written as a decimal too:

[tex]m= 0.25[/tex]

The slope of the line is 1/4 (0.25)

A parallelogram is a:
rectangle
square
quadrilateral
rhombus

Answers

Answer:

quadrilateral

Step-by-step explanation:

A quadrilateral that has two pairs of parallel sides.

On a very cold morning, it was -7°F. As the day went on, the temperature rose 3 degrees each hour. Which equation shows the temperature over time?
A.y=-3x-7
B.y=-3x+7
C.y=3x-7
D.y=3x+7

Answers

Answer:

The equation shows the temperature over time will be:

[tex]y = 3x - 7[/tex]

Hence, option (C) is correct.

Step-by-step explanation:

We know that the slope-intercept form of the line equation is

[tex]y=mx+b[/tex]

where m is the rate of change or slope and b is the y-intercept

Let 'y' be the temperatureLet 'x' be the time in the hour

Given that one very cold morning, it was -7°F.

Thus, the y-intercept = b = -7

Given that as the day went on, the temperature rose 3 degrees each hour.

Thus, the rate of change = slope = m = 3

Thus, substituting m = 3 and b = -7 in the equation

[tex]y = mx+b[/tex]

[tex]y = 3x + (-7)[/tex]

[tex]y = 3x - 7[/tex]

Therefore, the equation shows the temperature over time will be:

[tex]y = 3x - 7[/tex]

Hence, option (C) is correct.

Umm, can somebody help me?

Answers

Answer:

the answer is 18.

Step-by-step explanation:

2+5=7
7+6=13
13+3+16
16+2=18

18 is your answer I hope it helps you

A equation of a line in slope intercept form with the given slope and Y-intercept slope: -4, Y-intercept : -9

Answers

Answer:

y = -4x - 9

Step-by-step explanation:

Use slope intercept form, y = mx + b, where m is the slope and b is the y intercept.

Since we are already given the slope and y intercept, we just have to plug them into the equation to find the equation:

y = mx + b

y = -4x - 9

So, y = -4x - 9 is the equation of the line in slope intercept form

when did my mom chop up my glizzy

A:2015
B:2017
C:2018
D:2020

Answers

Answer:

imma go wit B. I mean thats my guess

The number
5/7
can be best described as a(n)
mixed number
improper fraction
O proper fraction

Answers

Proper fraction!!! ...............

a line passeses through the ponts (2, a) and (4a,5) and has a slope of 1/2 find the value of a

Answers

Answer:

a=2

Step-by-step explanation:

Slope is found by (y2-y1)/(x2-x1)

Using the points, that is (5-a)/(4a-2) = 1/2

multiply both sides by the denominator 4a-2

5-a = (1/2)(4a-2)

5-a=2a-1

put like terms on opposite sides by adding a to both sides so a terms on the right, adding 1 on both sides so numbers are on the left

6=3a

divide both sides by 3

a=2

please give thanks :)

Ask any question. i gottu

Answers

Answer:

why?

Step-by-step explanation:

Answer:

..is cereal a soup?

Step-by-step explanation:

is it tho?

Jonathan is deciding between two truck rental companies. Company A
charges an initial fee of go for the rental plus $1 per mile driven
Company B charges an initial fee of $10 for the rental plus $1.50 per
mile driven. Let A represent the amount Company A would charge if
Jonathan drives s miles, and let B represent the amount Company B
would charge if Jonathan drives s miles, Graph each function and
determine which company would be cheaper if Jonathan needs to
drive 60 miles with the rented truck,

Answers

Answer:

Jonathan is deciding between two truck rental companies. Company A

charges an initial fee of go for the rental plus $1 per mile driven

Company B charges an initial fee of $10 for the rental plus $1.50 per

mile driven. Let A represent the amount Company A would charge if

Jonathan drives s miles, and let B represent the amount Company B

would charge if Jonathan drives s miles, Graph each function and

determine which company would be cheaper if Jonathan needs to

drive 60 miles with the rented truck,

A farmer wants to fence a rectangular habitat for goats. The length (y) of the habitat has to be at least 80 feet. The farmer currently has 310 feet of fencing available to use on the habitat. The system of inequalities below models this problem situation, where x represents the width of the habitat (in feet) and y represents the length of the habitat (in feet). y≥80 2x+2y≤310 Which of the following is a true statement? a. If the farmer makes a rectangular habitat with a length of 60 feet, the width needs to be 80 feet. b. The farmer can make a habitat that is 75 feet long and 60 feet wide. c. The farmer does not have enough fencing to enclose a rectangular habitat that is 80 feet long. d. The farmer can make a habitat that is 40 feet wide and 100 feet long.

Answers

Answer:

  d. The farmer can make a habitat that is 40 feet wide and 100 feet long.

Step-by-step explanation:

The attached graph shows the inequalities and the various answer choices. The existence of the doubly-shaded area shows that answer choice C is false.

The appropriate choice is ...

  d. The farmer can make a habitat that is 40 feet wide and 100 feet long.

4. Determine the magnitude and direction of the vector v = <5, -6>.
f. 11, NE
g. 61, SE
h. 111, NE
j. V61, SE

Answers

Answer:

The magnitude of vector is:

[tex]\left|\begin{pmatrix}5&-6\end{pmatrix}\right|=\sqrt{61}[/tex]

v = <5, -6> means the vector has x-coordinate x = 5 and y-coordinate y = -6, so the vector v = <5, -6>  is heading towards SE.

Thus, option ( j ) is correct.

i.e.  [tex]\sqrt{61},\:SE[/tex]

Step-by-step explanation:

Given the vector

v = <5, -6>

Determining the magnitude of the vector

To find a magnitude of a vector v = (a, b) we use the formula

[tex]||v||\:=\:\sqrt{a^2+b^2}[/tex]

Magnitude of the vector is basically termed as the length of the vector, which is denoted by

[tex]|\left(5,\:-6\right)|=\sqrt{\left(5\right)^2+\left(-6\right)^2}[/tex]

            [tex]=\sqrt{5^2+6^2}[/tex]

             [tex]=\sqrt{25+36}[/tex]

             [tex]=\sqrt{61}[/tex]

Thus, the magnitude of vector is:

[tex]\left|\begin{pmatrix}5&-6\end{pmatrix}\right|=\sqrt{61}[/tex]

As the vector v = <5, -6> lies in 4th quadrant.

v = <5, -6> means the vector has x-coordinate x = 5 and y-coordinate y = -6, so the vector v = <5, -6>  is heading towards SE.

Thus, option ( j ) is correct.

i.e.  [tex]\sqrt{61},\:SE[/tex]

Solve -|x| + 9 ≥ -15.

Answers

Answer:

Step-by-step explanation:

-24<=x<=24

I'm on my phone and can't access the less than equal to sign.


HELPP PLEASE ILL NAME YOU BRAINLIEST!!!

Answers

Look this up on Socratic & it’ll help you and show you step by step


The coolor below holds 10 gallons. How many quarts will the jug hold?

40 quarts
20 quarts
160 quarts
20 quarts

Answers

can we get a picture?

It’s 8:40 What time will it be in 3/4 hour

Answers

Answer: 9:25

Step-by-step explanation:

HeEeEEeLpPpp <<3<3<3<3

Answers

Answer:

h = 13

Step-by-step explanation:

20 - 7 = 13

The solution of 5(x+2) – 3x = 2(x – 5)

Answers

Answer:

Step-by-step explanation:

5x + 10 - 3x = 2x - 10

2x + 10 = 2x - 10

0x = -20

no solution

A shareholders' group, in lodging a protest, claimed that the mean tenure for a chief executive office (CEO) was at least seven years. A survey of companies reported in the Wall Street Journal found a sample mean tenure of years for CEOs with a standard deviation of years. a. Formulate hypotheses that can be used to challenge the validity of the claim made by the shareholders' group. - Select your answer - - Select your answer - b. Assume companies were included in the sample. What is the -value for your hypothesis test

Answers

Complete question is;

A shareholders’ group, in lodging a protest, claimed that the mean tenure for a chief executive office (CEO) was at least seven years. A survey of companies reported in The Wall Street Journal found a sample mean tenure of x¯ = 7.27 years for CEOs with a standard deviation of s = 6.38 years (The Wall Street Journal, January 2, 2007).

a. Formulate hypotheses that can be used to challenge the validity of the claim made by

the shareholders’ group.

b. Assume 85 companies were included in the sample. What is the p-value for your hypothesis

test?

Answer:

A) Null hypothesis: H0: μ ≥ 7

Alternative hypothesis: μ < 7

B) p-value = 0.3488

Step-by-step explanation:

A) We are told that the shareholders group claimed that the mean tenure for a chief executive office (CEO) was at least seven years.

Thus, defining the hypothesis, we have;

Null hypothesis: H0: μ ≥ 7

Alternative hypothesis: μ < 7

B) Sample mean: x¯ = 7.27 years standard deviation: s = 6.38 years

Sample size = 85

Formula for the test static is;

t = (x¯ - μ)/(s/√n)

t = (7.27 - 7)/(6.38/√85)

t = 0.39

From online p-value from t score calculator attached using: t = 0.39, DF= 85 - 1 = 84, significance value = 0.05, one tail, we have;

p-value = 0.3488

-550/100 ÷ 14/7
Please and thank you ​

Answers

Answer:

-2.75

Step-by-step explanation:

What's this? I don't know

Answers

Answer:

it's a quadratic formula

Step-by-step explanation:

in the formula, substitute the value of a as 1, b as 2 and c as -8

then, you will get ur answer

Help?
8th grade math

Answers

Answer:

Step-by-step explanation:

(m-8)^2 × n

= (10-8)^2 × 2

= (2)^2 × 2

= 4 × 2

= 8

Graph the following system of equations and find where they meet 3x + 5y = 36 y = 5x - 4

Answers

Answer:

[2,6]

Step-by-step explanation:

3x+5y=36

5x-4=y

3x+5(5x-4)=36

3x+25x-20=36

28x-20=36

28x=56

x=2

5x-4=y

5*2-4=y

10-4=y

6=y

An infinite solution means the solutions for the algebraic equation are endless

Answers

Answer:

Correct

Step-by-step explanation:

Please answer ASAP. Also please explain because even though I put it on here I still want to know how to do it. Tysmm

Answers

9514 1404 393

Answer:

  see below

Step-by-step explanation:

First row

Fill in the given x-value and solve for y:

  3(-4) +2y = -6

  -12 +2y = -6

  -6 +y = -3 . . . . . divide by 2

  y = 3 . . . . . . . . . add 6

__

Second row

Fill in the given y-value and solve for x:

  3x +2(0) = -6

  x = -2 . . . . . . . . . divide by 3

QUICK PLS HELP
The mean number of typhoon hitting US follows a Poisson distribution with
variance 0.5 per month. Find the probability that
(a) 4 typhoons will hit US in a year.
(b) at least 2 typhoons will hit US in a given half-year.

Answers

Answer:

A) 0.1339

B) 0.8078

Step-by-step explanation:

The Poisson Distribution formula is given by;

P(x; μ) = (e^(-μ) × (μ^(x))/x!

We are given;

Variance = 0.5 per month

Now, in Poisson distribution, variance = mean.. Thus, mean μ = 0.5 per month

A) We want to find the probability that 4 typhoons will hit US in a year.

Thus, x = 4

But since it's for a year, then μ = 0.5 × 12 = 6

So;

P(x = 4) = (e^(-6) × (6^(4))/4!

P(x = 4) = 0.00247875 × 1296/24

P(X = 4) = 0.1339

B) probability that at least 2 typhoons will hit US in a given half-year is;

P(X ≥ 2) = 1 - P(X < 2)

P(X < 2) = P(X = 0) + P(X = 1)

In a half given year, μ = 0.5 × 6 = 3

P(X = 0) = (e^(-3) × (6^(0))/0!

P(X = 0) = 0.0498

P(X = 1) = (e^(-3) × (6^(1))/1!

P(X = 1) = 0.1494

P(X < 2) = 0.0498 + 0.1494

P(X < 2) = 0.1922

P(X ≥ 2) = 1 - 0.1922

P(X ≥ 2) = 0.8078

Please help. First correct answer I’ll mark as brainliest

Answers

Answer:

AA similarity, triangle CBA is congruent to triangle CST

Step-by-step explanation:

angle ACB and angle TCS are congruent by the vertical angles theorem

The picture marks that angle B and angle S is congruent

since 2 angles are congruent, the triangles are similar by the AA similarity

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