please help i’ll mark you brainlesttt

Please Help Ill Mark You Brainlesttt

Answers

Answer 1

Answer:

Side length = 5 root 2

perimeter is (5 root 2)*3

Step-by-step explanation:

Use pythagoras

a^2 = b^2 + c^2

a^2 = 5 root 2

(5 root 2)^2 = (c^2)/2 + c^2

75 = (c^2)/2 + c^2

150 = c^2 + 2c^2

150 = 3c^2

50=c^2

root of 50 = 5 root 2

as it is equiliateral triangle all sides are the same

Answer 2

Answer:

Side: 10

Perimeter: 30

Step-by-step explanation:

An equilateral triangle has a height of 5√3. What is the length of each side in the equilateral triangle? What is the perimeter of the equilateral triangle?

In triangles with angles with 30°, 60°, and 90°, the hypotenuse (the angle opposite to the 90° angle) is twice as long as the base, and the height is √3 times as long as the base. To make it easier, this is a list of the sides:

x = base

√3 * x = height

2x = hypotenuse.

Look at the drawing I have attached below

If AD is the base of the triangle ADC, then CD, the height is √3 times AD. If we set AD as x, CD = √3*x = 5√3

√3*x = 5√3

Divide both sides by √3.

x = 5

Then, because altitudes in equilateral triangles bisect the base (CD cuts AB in half), then AB = 10.

The sides in equilateral triangles are equal, so each side is 10.

Then, the perimeter must be 30.

I hope this helps! Feel free to ask any questions!

Please Help Ill Mark You Brainlesttt

Related Questions

17. Macro mineral needed to build strong bones and teeth
A- iron
B -calcium
18. Bodies inability to break down lactose due to absence of the enzyme lactase
A- Lactose Intolerant
B- Celiac Disease

Please HELP ME ITS DUE LIKE RN

Answers

Answer:

b

Step-by-step explanation:

b because its just the only stand out answer

11=w+3–solving equations

Answers

Answer:

w = 8

Step-by-step explanation:

11 = w + 3

11 -3 = 8

Answer:

w=8

Step-by-step explanation:

what is the slant height of a pyramid with surface area of 209 square centimeters and a square base with sides of 7 centimeters? round to the nearest tenth.​

Answers

Answer:

Step-by-step explanation:

base b = 7

slant height = L

area of base = 49 cm²

lateral area = surface area - base area = 209 - 49 = 160 cm²

area of one lateral face = 160/4 = 40 cm²

½·b·L = 40

L = 80/7 ≅ 11.4 cm

Trojúhelník se stranami dlouhými 8 cm, 10 cm a 12 cm potřebujeme zmenšit tak, aby nejdelší strana byla dlouhá 9cm. V jakém poměru se budou strany měnit? Jaké budou rozměry ostatních stran?

Answers

Answer:

i do not know

Step-by-step explanation:

plreae help me

25
14
Which situation is represented by the equation?
2x +6= 12
solve this
ion?
A) 6 more than the product of 2 times x is 12
B) 6 less than the product of 2 times x is 12
C) the product of 6 and a number is 2 more than 12
D) the difference of a number and 6 is 12 times x

Answers

Answer:

A

Step-by-step explanation:

what is the volume of a sphere if the diameter is 21 cm using formula v=4/3 pie (r3). use 3.14 for pie

Answers

Answer:

4846.59

Step-by-step explanation:

21/2= 10.5 as your radius

10.5^3(3.14)(4/3) = 4846.59

what is Qanon a lot of people at school keep talking about it but i dont know what it is

Answers

it’s a wide-ranging, completely unfounded theory that says that president trump is waging a secret war against elite satan-worshipping in paeophiles in government, business and the media.

What is m2 2 + m_3? I need the answer please help

Answers

Answer:

90

Step-by-step explanation:

because m3+m4 = 90 and m2 and m4 are corresponding angles. therefore m4 = m2 so m3 +m2 = 90

Name the transformation that maps A PQR to A P'Q'R'
У
6
P
R
6
o
R
P
--6
Reflection over the x axis
Reflection over the yaxis
180° Rotation
Translation down 4 units

Answers

Answer:

Option (1)

Step-by-step explanation:

Coordinates of the vertices of ΔPQR,

P → (2, 5)

Q → (6, 2)

R → (2, 2)

Now vertices of the transformed triangle,

P' → (2, -5)

Q' → (6, -2)

R' → (2, -2)

If we compare P and P' relation between their coordinates is,

P(2, 5) → P'(2, -5)

(x, y) → (x, -y)

Which reveals that triangle PQR has been reflected across x-axis to form the image triangle P'Q'R'.

Option (1) is the answer.

the local frozen yogurt store has two different containers for customers to use micheal chooses the container below the second container is a rectangular prism and holds three times as much yogurt as the container micheal chose

Answers

Answer:

The answer is "C"

Step-by-step explanation:

4 x 4 x 4.7 = 75.2

which is closes to:

72

Which is:

three times as much yogurt as the container Michael chose

Because the original number is:

24

Your welcome.

30 POINTS PLEASE HELP ASAP!!!
An incomplete proof of 1- tanθcosθ/cscθ=cos^2 θ is shown.
Which of the following expressions could be used to complete the second step of the proof?

Answers

It's the fourth option, 1 - sinθ/cscθ. This is due to the cancellation of cosθ in the numerator:

1 - (sinθ/cosθ × cosθ)/cscθ = 1 - sinθ/cscθ

I need help asap!! will give crown

Answers

Answer:

A. Rectangle

Step-by-step explanation:

Shown in the attachment are the four points graphed on a coordinate plane.

We can see that the opposite sides are parallel to each other and have the same length.

The answer cannot be B. Square because the side lengths of this quadrilateral are not all equal to each other.

The answer cannot be C. Rhombus because of the same reason as above.

The answer cannot be D. Trapezoid because the bases of the quadrilateral are not of different lengths.

Therefore, the answer must be A. Rectangle since the angles are 90° angles, and the opposite sides are parallel and equal.

A rectangle doormat is 21 inches long and has an area of 714 squar inches. Find its width. Will the doormat fit in an

Answers

Answer:

34in

Step-by-step explanation:

Given data

Length= 21in

Area= 714 in^2

The shape of the doormat is rectangular

Area= Length*Width

substitute

714=21* W

W= 714/21

W= 34in

Hence the widht is 34in

who lives in florida.

Answers

Answer:

I live in new Mexico:))))

Answer:

Not me, lol

Step-by-step explanation:

I live in Kentucky, but I got a friend that lives in Florida.

Can I have brainliest? I'm tryna level up.

Stay safe and have a wonderful day/night!!!!! :)

I dont understand please help Which expression is equivalent to 8-(6r+2) A -6r+6 B 2r+2 C 6r+10 D -6r+10

Answers

Answer:

-6r+6

Step-by-step explanation:

Given data

We are given the expression

8-(6r+2)

let us expand it by opening the bracket

=8-6r-2

collect like terms

=8-2-6r

=6-6r

rearrange

=-6r+6

Hence option A is correct

A number, n, is divided by 4 and then subtracted from 5, resulting in 13. What is the value of n?

Answers

are you sure this question is right? there are no negatives? i’m pretty sure the answer is 72 but if i’m wrong, i’m sorry.

Answer:

-6.8

Step-by-step explanation:

test-nav

A curious patterns occurs in a group of people who all shake hands with one another. It turns out that you can predict the number of handshakes that will occur if you know the number of people. If we are in a room of 5 people, we can determine the number of handshakes by this line of reasoning: The first person will shake 4 hands (she won’t shake her own). The second person will shake 3 hands (he won’t shake his own of the hand of the first person, they already shook). The third person will shake 2 hands (same reasoning). The fourth person will shake 1 hand (that of the fifth person). The fifth person will shake 0 hands. So there will be a total of 1+2+3+4=10 handshakes

Answers

Missing part of the question

Determine the number of handshakes, i, that will occur for each number of people, n, in a particular room. (people)

Answer:

[tex]S_n = \frac{n}{2}(n - 1)[/tex]

Step-by-step explanation:

Given

For 5 people

[tex]\begin{array}{cc}{People} & {Handshakes} & {5} & {4} & {4} & {3} & {3} & {2} & {2} & {1} & {1} & {0} &{Total} & {10} \ \end{array}[/tex]

Using the given instance of 5 people, the number of handshakes can be represented as:

[tex](n - 1) + (n - 2) + (n - 3) + ........ + 3 + 2 + 1 + 0[/tex]

The above sequence is an arithmetic sequence and the total number of handshakes is the sum of n terms of the sequence.

[tex]S_n = \frac{n}{2}{(T_1 + T_n})[/tex]

Where

[tex]T_1 = n - 1[/tex] --- The first term

[tex]T_n = 0[/tex] --- The last term

So:

[tex]S_n = \frac{n}{2}(n - 1 + 0)[/tex]

[tex]S_n = \frac{n}{2}(n - 1)[/tex]

Evaluate -4(12) please help

Answers

Answer:

You are going to get -48

Step-by-step explanation:

For some of the reason, this seemed like multiplication

But anyway, hope this helps, The other person Put down an answer that maybe is incorrect and they posted it like a file like they just don't care like a BOT

A farmer sells 9.2 kilograms of apples and pears at the farmers market 4/5 of this weight is apples and the rest is pears. How many kilograms of pears did she sell at the farmers market

Answers

9.2 kg of apples and pears combined
4/5 of 9.2 kg are apples
4/5=0.8=80%
100% 9.2 kg
80%. X kg
X= 80 • 9.2/100
X=736/100
X=7.36 kg of apples


9.2kg-7.36kg=1.84 kg of pears

7) Steve buys a new laptop for $729.00. If the sales
tax rate is 9.25%, what is the total cost of the
laptop?
A) $796.43
B) $785.54
C) $774,65
D) $763.76
E) $752.87
Help please ASAP

Answers

it would be A. 796.43

Option A
Option B
Option C
Option D​

Answers

option d, because 6 can be divided by 2 and that’s 3, and 10 can be divided by 2 and that’s 5 !!

[tex]\huge\text{Hey there!}[/tex]

[tex]\textsf{A ratio equivalent to 6:10 is:}[/tex]

[tex]\textsf{A) 3:4}[/tex]

[tex]\textsf{B) 18:30}[/tex]

[tex]\textsf{C) 12:40}[/tex]

[tex]\textsf{D) 5:3}[/tex]

[tex]\textsf{You can find equivalent ratios if you DIVIDE both numbers by their GCF}\\\textsf{(Greatest Common Factor)}[/tex]

[tex]\mathsf{6: 1,2,3,6}\\\\\mathsf{10: 1,2,5,10}\\\\\\\textsf{DIVIDE both numbers (6 \& 10) from 2 since it is its GCF}\\\\\mathsf{6\div2 = 3}\\\mathsf{10\div2= 5}\\\\\textsf{ \bf \huge = 5:3}[/tex]

[tex]\boxed{\boxed{\huge\textsf{Answer: \bf D. 5:3}}}\huge\checkmark[/tex]

[tex]\text{Good luck on your assignment and enjoy your day!}[/tex]

~[tex]\frak{Amphitrite1040:)}[/tex]

Help? I may have asked this question already ​

Answers

Answer:

yes

Step-by-step explanation:

What is the median of the distribution?

Answers

Answer:

In order to calculate the median, the data must first be ranked (sorted in ascending order). The median is the number in the middle. Median = the middle value of a set of ordered data.

Step-by-step explanation:

If a cheetah runs 120 miles in 3 hours haw many miles does it travel in one hour

Answers

It runs 40 mph bc 120 divided by 3= 40

Match each diagram with a description and an equation.

Answers

Graphs such as line and tape diagrams can be used to represent equations.

The equation of the first diagram is y = 0.6x,and it represents a decrease by 0.4 or 2/5The equation of the second diagram is y = 1.83x,and it represents an increase of 5/11 or 0.83

Diagram (a)

In this diagram, all the x boxes (5 boxes) are shaded, while all the y boxes (3) are shaded.

So, the equation is:

[tex]y = \frac{3}{5}x[/tex]

Express as decimal

[tex]y = 0.6x[/tex]

The ratio (0.6) is less than 1.

So, it represents a decrement.

And the decrement (d) is:

[tex]d = 1 - 0.6[/tex]

[tex]d =0.4[/tex]

Diagram (b)

In this diagram, all the x boxes (6 boxes) are shaded, while part of  the y boxes (6 of the 11) are shaded.

So, the equation is:

[tex]y = \frac{11}{6}x[/tex]

Express as decimal

[tex]y = 1.83x[/tex]

The ratio (1.83) is greater than 1.

So, it represents an increment.

And the increment (d) is:

[tex]d = 1.83 - 1[/tex]

[tex]d = 0.83[/tex]

See attachment for the diagrams at:

Read more about diagrams and equations at:

https://brainly.com/question/14323743

Answer:576

Step-by-step explanation:

Can someone plz help me with this one problem plzzz!!!

Answers

so, you just use the x's from the table and plug them into the equation to find the y.

y=(1)+9

y=10

y=(2)+9

y=11

y=(3)+9

y=12

y=(4)+9

y=13

i hope this helps :)

Help please I’ll mark brainliest

Answers

Answer:

- [tex]\frac{1}{2}[/tex]

Step-by-step explanation:

One cubic down and 2 cubics to the right

Based only on the information given in the diagram, which congruence
theorems or postulates could be given as reasons why AHEL= APME?
Check all that apply.
M
H
E
A. LL
B. ASA
C. HA
1 D. AAS
E. HL
- F. SAS

Answers

The Triangle EHL and MPE by HL Congruence Rule.

What is Congruence Rule?

Two triangles are said to be congruent if their sides and angles are the same length. Two triangles can thus be stacked side by side and angle by angle.

Two triangles are said to be congruent if their sides are the same length, their angles are the same measurement, and they may be superimposed on each other.

As, from the figure in Triangle EHL and MPE

EH = MP

EL = ME

<EHL = < MPE = 90

As, If the hypotenuse and a leg of one right triangle are congruent with the hypotenuse and leg of another right triangle, the triangles are congruent.

So, the Triangle EHL and MPE is Congruent by HL Congruence Rule.

Learn more about Congruence Rule here:

https://brainly.com/question/30930603

#SPJ7

Help please
I’m trying to find value of x and y. i need to write out the problem

Answers

The answer is x=4.5 and y=1 they are dilated by multiplying 3

please answer this I will give u​

Answers

Answer:

Step-by-step explanation:

The 3 angles must add up to 180. So

6x + 4x + 2x = 180

12x = 180

x = 15

Plug this into all the angles and you have your answers

Answer:

Step-by-step explanation:

The sum of a triangles angles is always 180 degrees.

2x+4x+6x=180

12x=180

x=15

A=6x=6(15)=90 degrees

B=2x=2(15)=30 degrees

C=4x=4(15)=60 degrees

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