Are all equilateral triangles isosceles as well?

Answers

Answer 1
Yes. For a triangle to be isosceles,any two sides should be equal in length. In equilateral triangle, all the three sides are equal in length. The minimum criterion of two equal sides is hence met.So, all the equilateral triangles are isosceles triangle too.

Related Questions

What is the difference between 2386 and 7000 check your answer using inverse operations

Answers

Answer:

7,000 - 2,386 = 4,614

4,614 because 7000-2386=4614 and if you use inverse operation it is 2386+4614=7000

Let f(x)=x^2+2 and g(x)=1-3x Find each function value. f(g(-1))

Answers

Answer:

78

Step-by-step explanation:

Answer:

12

Step-by-step explanation:

(x^2+2)*(1-3x)=-3x^3+x^2-6x+2

now plug in -1

-3(-1)^3+(-1)^2-6(-1)+2=12

hope this helped  

What is the volume of a rectangular prism with a length of 2.5 cm, a width of 3.1 cm and a height of 1.2 cm?



A. 7.75 cm³
B. 8.1 cm³
C. 8.3 cm³
D. 9.3 cm³

Answers

The answer is D- 9.3cm^3

can someone pleease help my teacher will not help me.

Answers

Answer:

The perimeter is 206.

Step-by-step explanation:

When given the area, height and side of the parallelogram, you would use the formula to find the perimeter: P=2a+2*A /h. a = side of the parallelogram, A = area, and h = height. When you plug in everything, you will get 206.

The answer is 206 yes

Ruth buys 19 identical tickets for £280.25.
Estimate the cost of one ticket.

Answers

Answer:

The cost of one ticket is $14.75

Step-by-step explanation:

To find the cost of one ticket we need to divide 280.25 by 19

=$14.75

plz mark me as brainliest

Answer:

The cost of one ticket is $14.75

Step-by-step explanation:

The cost of one ticket is $14.75

To find the cost of one ticket we need to divide 280.25 by 19

=$14.75

please mark as brainliest

Find the distance between the pair of points (-6.-17) and (-8.-19) The distance is (Round to the nearest thousandth as needed.)​

Answers

Answer:

2.83

Step-by-step explanation:

d= Square root of (x2 - x1 )^2 +( y2- y1)^2

from the point given you

x1= -6

y1 = -17

x2 = -8

y2 = -19

by applying the formula

Square root of ( -8 - (-6))^2 + ( -19 - (-17))^2

Square root of (-8+6) + (-19+17)^2

PLEASE HELP ASAP HELPPPPP PLEASEEE!!!! find the value of x. round to the nearest tenth
x
12
4
x =?

Answers

Answer:

70.5

Step-by-step explanation:

cos x = [tex]\frac{4}{12}[/tex]

x = [tex]cos^{-1}\frac{1}{3}[/tex]

x = 70.53

helppp! I literally can’t find anything in Brainly I’m dead failing does someone at le

Answers

Answer:

C

Step-by-step explanation:

volume of a cone = πr²[tex]\frac{h}{3}[/tex]

so 20² x π x [tex]\frac{35}{3}[/tex] = 14660.76572

The correct answer is C. If you want to learn how to do it go to Khan academy and type in what your learning!!!

can someone help me please I don’t understand

Answers

Answer:

answer is 3.144

Step-by-step explanation:

what is m∠ BAC???????

Answers

Answer:

36 degrees

Step-by-step explanation:

I’m pretty sure that’s it

36. That’s the answer mate

How many tiles will figure 13 have ??
FREE POINTS!

Answers

Answer:

more tiles than i laid in ur momms

Step-by-step explanation:

Figure 13 has 11 tiles

What is the answer. No links please.

Answers

Answer:

24 + 50 = 74 cm³

Step-by-step explanation:

I split the irregular figure into two separate shapes and found the volume of each and then added the values, I am most certain the answer would be 74 cm³, I apologize if it isn't.

Find the value of x.

Answers

Answer:

The answer would be X= -7 .

Step-by-step explanation:

Hope it helps :)

Thomas is opening a savings account. Which integer represents his possible balance after making a deposit
A -10
B-5
C 0
D 10

Answers

i think the answer is b
i think it’s D

because it the only positive

The area of the square is
........ square centimeters.
9.5 cm
9.5 cm

Answers

area=a^2
9.5^2 = 90.25

Find the Are of the Shaded Region

Answers

Area of 3/4 circle = 3/4 x π x r²
= 3/4 x 22/7 x 6²
= 84.86cm²

That should be the correct answer
Hope this helps!!

Answer:

≈ 84.8 cm²

Step-by-step explanation:

The area of the shaded region is calculated as

area of circle - area of unshaded sector

area of circle = πr² = π × 6² = 36π

unshaded area = area of circle × fraction of circle

                          = 36π × [tex]\frac{90}{360}[/tex] = 36π × [tex]\frac{1}{4}[/tex] = 9π

area of shaded region = 36π - 9π = 27π ≈ 84.8 cm² ( nearest tenth )

What is the image point of (9,5) after a translation right 4 units and up 4
units?

Answers

Answer:

5,9

Step-by-step explanation:

If 5x + 1 = 21 then x =

Answers

Answer:

X would equal 4

Step-by-step explanation:

5 x 4 is 20. And the equation was 5x + 1 = 21.

So, the answer would equal 20. Hope this helped!! :D

Answer:

x=4

Step-by-step explanation:

Start with your equation: 5x+1=21

Subtract 1 on both sides: 5x=20

Divide by 5 on both sides: x=4

Hope I helped

A muffin recipe calls for 1 cup of flour, 1/2 cup of sugar and 3/4 cup of milk and makes 20 muffins. How much of each ingredient would you need to make 120 muffins?

Answers

Answer:

well you multiple 20 by 6 to get 120, so that means multiple everything by 6

SO, 6 cups of flour, 3 cups of sugar, and 4 1/2 cups of milk

0.4209" to the nearest common fraction

Answers

Answer:

4209/10000

Step-by-step explanation:

42.09%=4209/10000

Calculate the mean for each set of data.
a 12, 18, 9, 14, 8, 7​

Answers

Answer:

11.3, rounded

Step-by-step explanation:

mean = average. Add them all up, then divide by how many entries/data points you have.

12 + 18 + 9 + 14 + 8 + 7 = 68

There are 6 numbers we added, so 68/6 = 11.3333333

Please let me know if you have questions.

__________________————-

you throw a basketball from a height of 4 feet with an upward velocity of 15 feet per second the function h=-16t^2+15t+4 gives the height of the basketball after t seconds when does the basket ball hit the floor round your answer to the nearest tenth

Answers

Answer:

After 1.2 seconds

Fill in the blank. The solution to 2 x - 2 + 5 = 13 is ______

Answers

2x = 13 - 5 + 2
2x = 10
x = 5

Plzzz help me!!! ASAP

Answers

The answer is 7 and 8

How many words can be formed from the letters of the word 'ENGLISH' ? How many these do not begin with E? How many of these begin with E and do not end with H?​

Answers

Total Number of words made out of English = 93

Solve for all values of x by factoring.

x^2+10x+12=2x+5

Answers

Answer:

x = -1, -7

Step-by-step explanation:

=> x² + 8x + 7 = 0

=> (x + 1) (x + 7) = 0

=> x = -1, -7

The first step is to distribute the 2x+5 so then you get x^2+8x+7 and then you can solve and get
x=-7
x=-1

A 2-mile walking trail has a distance marker every 1\4 mile. How many markers are along the trail?

Answers

Answer: 8

Step-by-step explanation:

From the question, we are informed that a 2-mile walking trail has a distance marker every 1\4 mile. Hl

The number of markers that are along the trail will be calculated as:

= Length of walking trail / interval of distance marker

= 2 ÷ 1/4

= 2 × 4

= 8

There are 8 markers along the trail.

I need help on this ASAP

Answers

75cm²

Explanation:

10 times 15 is 150 and since it is a triangle you divide in half so the answer is 75. And in this case the 18 is not needed.

Answer:

75cm²

Step-by-step explanation:

The area A of a triangle is given by the formula A=12bh where b is the base and h is the height of the triangle. But in this case, there are three sides.

To find the area of a triangle with 3 sides given as 10, 15, and 18, we assume that a = 10, b = 15, and c = 18.

Then the semi-perimeter is, s = (a + b + c)/2 = (10 + 15 + 18)/2 = 21.5. We will find the area of the triangle using Heron's formula.

A = √[s(s-a)(s-b)(s-c)]

= √[8(21. 5-10)(21.5 -15)(21. 5-18)]

= √[21.5 × 11.5 × 6.5 × 3.5]

= √(5625)

≈ 7.5

PLEASE HELP ME ON THIS QUESTION ASAP!!!! NO LINKS

Answers

Answer:

4π in.

Step-by-step explanation:

formula circumference= 2πr

r = half of diameter

help please!!
Integrate the following:
[tex] \displaystyle \int {x}^{2} {e}^{x} dx[/tex]

Answers

Answer:

[tex] \rm \displaystyle \int x ^{2} \cdot {e}^{x} \: dx = {x}^{2} {e}^{x}- 2x {e}^{x} + 2 e^{x} + \rm C[/tex]

Step-by-step explanation:

we want to integrate the following integration:

[tex] \displaystyle \int {x}^{2} \cdot {e}^{x} dx[/tex]

notice that, the integrand is in the multiplication of two different function in that case we can consider integration by parts given by:

[tex] \rm \displaystyle \int u \cdot v \: dx = u \int vdx - \int u' \left( \int v dx \right)dx[/tex]

where u' can be defined by the differentiation of u

now we have to choose our u and v

which can be chosen by using the guideline:ILATE Inverse trig. , Logarithm, Algebraic expression, Trigonometry, Exponent.

since x comes first thus,

[tex] \displaystyle u = {x}^{2} \quad\text{and} \quad v = {e}^{x} [/tex]

by figuring out the defferentiation of u,we acquire:

[tex] \displaystyle u' = 2x[/tex]

altogether we get:

[tex] \rm \displaystyle \int {x}^{2} \cdot {e}^{x} \: dx = {x}^{2} \int {e}^{x} dx - \int 2x \left( \int {e}^{x} dx \right)dx[/tex]

by figuring out the parentheses integration

we get:

[tex] \rm \displaystyle \int x^2 \cdot {e}^{x} \: dx = {x}^{2} \int {e}^{x} dx - \int2x \cdot {e}^{x} dx[/tex]

now we again have integration of two different functions so let's choose our u and v once again which can be done using the guideline

[tex] \displaystyle u = 2x \quad\text{and} \quad v = {e}^{x} [/tex]

by figuring out the defferentiation of u

we acquire:

[tex] \displaystyle \: u' = 2[/tex]

altogether we get:

[tex] \rm \displaystyle \int x ^{2} \cdot {e}^{x} \: dx = {x}^{2} \int {e}^{x} dx - \left( 2x \int{e}^{x} dx- \int2 \left( \int{e}^{x}dx \right) dx \right)[/tex]

by solving parentheses we get

[tex] \rm \displaystyle \int x ^{2} \cdot {e}^{x} \: dx = {x}^{2} \int {e}^{x} dx - \left( 2x {e}^{x} - 2 e^{x} dx \right)[/tex]

by figuring out the integral we get:

[tex] \rm \displaystyle \int x ^{2} \cdot {e}^{x} \: dx = {x}^{2} {e}^{x}- \left( 2x {e}^{x} - 2 e^{x} \right)[/tex]

remove parentheses:

[tex] \rm \displaystyle \int x ^{2} \cdot {e}^{x} \: dx = {x}^{2} {e}^{x}- 2x {e}^{x} + 2 e^{x} [/tex]

at last we of course have to add constant of integration:

[tex] \rm \displaystyle \int x ^{2} \cdot {e}^{x} \: dx = {x}^{2} {e}^{x}- 2x {e}^{x} + 2 e^{x} + \rm C[/tex]

and we are done!

Answer:

[tex]\displaystyle \int {x^2e^x} \, dx = e^x(x^2 - 2x + 2) + C[/tex]

General Formulas and Concepts:

Calculus

Differentiation

DerivativesDerivative Notation

Derivative Property [Multiplied Constant]:                                                           [tex]\displaystyle \frac{d}{dx} [cf(x)] = c \cdot f'(x)[/tex]

Basic Power Rule:

f(x) = cxⁿf’(x) = c·nxⁿ⁻¹

Integration

IntegralsIndefinite IntegralsIntegration Constant C

Integration by Parts:                                                                                               [tex]\displaystyle \int {u} \, dv = uv - \int {v} \, du[/tex]

[IBP] LIPET: Logs, inverses, Polynomials, Exponentials, TrigTabular Integration

Step-by-step explanation:

*Note:

The answer below me is correct, but there is a simpler method of obtaining the answer.

Step 1: Define

Identify

[tex]\displaystyle \int {x^2e^x} \, dx[/tex]

Step 2: Integrate

Use tabular integration.

[Integrand] Differentiate/Integrate [Tabular Integration]:                           [tex]\displaystyle \\\begin{center}\begin{tabular}{ c | c }\line{u & dv} \\\cline{1 - 2} x^2 & e^x \\\ 2x & e^x \\\ 2 & e^x \\\ 0 & e^x\end{tabular}\end{center}[/tex]Write out expansion [Tabular Integration]:                                                 [tex]\displaystyle \int {x^2e^x} \, dx = x^2e^x - 2xe^x + 2e^x + C[/tex]Factor:                                                                                                           [tex]\displaystyle \int {x^2e^x} \, dx = e^x(x^2 - 2x + 2) + C[/tex]

Topic: AP Calculus AB/BC (Calculus I/I + II)

Unit: Integration

Book: College Calculus 10e

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