In the diagram below, BELED, AC BC, and m/A = 71°. Find
m/D.
Step
1
try m/
Angle
m/A = 71°
B
71°
=
O
Reason.
Select a Reason
C
Given
E
D

In The Diagram Below, BELED, AC BC, And M/A = 71. Findm/D.Step1try M/Anglem/A = 71B71=OReason.Select

Answers

Answer 1

Answer:

Because AC = BC

=> ️ACB is a isosceles triangle at C

=> m<A = m<B = 71°

At triangle ABC

m<A + m<B + m<ACB = 180°

=> 71° + 71° + m<ACB = 180°

=> m<ACB = 38°

We have m<ACB and m<ECD are 2 opposite angle

=> m<ECD = m<ACB = 38°

At triangle ECD

m<ECD + m<E + m<D = 180°

=> 38° + 90° + m<D = 180°

=> m<D = 52°


Related Questions

select the correct answer.
Evaluate the following expression when x = -4 and y = 4.
X to the 6th power -x/4y
A.
1,023/4
B.
1,023
C.
1,025/4
D.
16,385/4

Answers

The required simplified value of the given expression at x = -4 and y = 4 is 16, 385/4. Option D is correct.

What is simplification?

The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.

here,
when x = -4 and y = 4.

Expression = x⁶ - x/4y
Put x = -4 and y = 4.
= (-4)⁶ - [-4 /(4×4)]
= 4096 + 1/4
= 16385/4

Thus, the required simplified value of the given expression at x = -4 and y = 4 is 16, 385/4. Option D is correct.

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all you need is in the photo ​

Answers

Answer:

You could just ask a tutor to help you with it on Brainly.com

Step-by-step explanation:

George is driving his car. At the end of 2 hours he has driven 94 miles, and at the end of 4 hours he has driven 238 miles. What is the average rate of change? Type your numerical answer below.

Answers

47 miles

Step-by-step explanation:

since 2 hours is 94 miles and 4 hours is 238 miles, you can take the 94 and divide by 2 to get how many miles for 1 hour.

The average rate of change will be;

⇒ 72 miles per hour

What is Division method?

Division method is used to distributing a group of things into equal parts. Division is just opposite of multiplications. For example, dividing 20 by 2 means splitting 20 into 2 equal groups of 10.

Given that;

George is driving his car. At the end of 2 hours he has driven 94 miles, and at the end of 4 hours he has driven 238 miles.

Now,

Since, We know that;

⇒ Speed = Distance / Time

Hence, We can formulate;

⇒ The average rate of change = (238 - 94) / (4 - 2)

                                                = 144 / 2

                                                = 72

Thus, The average rate of change will be;

⇒ 72 miles per hour

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Help me, im stuck rn

Answers

Answer:

You got it right! Keep it up! :)

HLEPP PLEASEEEEEEEE hsnsnansh

Answers

M = -1/2
B = 1

Equation shown is y = mx + b

i need help finding the missing angles

Answers

Answer:

1 = 120

2 =60

3= 120

4= 60

5= 120

6= 60

Step-by-step explanation:

angles in a straight line add upto 180

the total angles in a triangle is 180.

Answer:

BOOMDELAKAKAK

Step-by-step explanation:

EGEHSSSSSSS

Put in order from least to greatest: (I WILL GIVE BRAINLIEST)
-15.2, -15.9, 3.6, -3.6


-15.9, -15.2, -3.6, 3.6


2.03, -2.3, -2.03, 3.0

Answers

The third one is the correct order!!

I need help on 22 pls

Answers

Answer:

a) 1.24 g/ml

b) 2.4%

Step-by-step explanation:

density = mass/volume

volume of sample = 28.4 - 15 = 13.4mL

density = 13.4/10.8

=1.24 g/ml

percent error

1.27 - 1.24 = 0.03

0.03/1.24 *100% = 2.4% error

HELPPPPPPP ITS VERY URGENT!!!!!!

Answers

Answer:

The measure of the 2 angles are 90° and 35°.

Step-by-step explanation:

The sum of angles in a triangle is 180°.

2x + x - 10 + 55 = 180

Simplify.

3x + 45 = 180

Find 3x.

3x = 180 - 45

    = 135

Find x.

x = 135 ÷ 3

x = 45

2x° = 45° × 2

     = 90°

(x-10)° = 45° - 10°

          = 35°

Answer: x=45

Step-by-step explanation:

2 times 45 is equal to 90

45-10 is equal to 35

55+90+35=180

Gasoline prices are given to the nearest thousandth of a dollar. If a gallon of gasoline costs $3.499 and increases $0.09, what is the price of gasoline after the increase?
(to the nearest thousandth of a dollar)

Answers

$3.58 hope this helps!

Please help if possible due in 20 minutes ❤️❤️❤️❤️ thank you so much

Answers

Answer:

A

Step-by-step explanation:

The town A is symmetric the town B i skrewed positevly

I hope I helped and have a a great dayyyy

Answer:

(D)

Step-by-step explanation:

The answer is (D).

The number of students in a classroom went from 20 to 29 find the percent of the Change

Answers

Answer:

45%

Step-by-step explanation:

calculator

Select all the groups of numbers that are ordered correctly from least to greatest.
A, 2,−4,6,−8
B, −13,−16,12,1
C,−110,0.2,310,14
D,−112,−0.75,−0.25,112
E,−8,−34,−3,14

Answers

Answer:

C

Step-by-step explanation:

D. -112, -0.75, -0.25, 112

What is the perimeter of the quadrilateral if the two triangles are congruent using SSS

Answers

Answer:

20 units (I used units because that's what i was taught when there isn't a specific unit)

Step-by-step explanation:

If the triangles are congruent, that means that everything is congruent/the same. So what we do is, we set both equations equal to each other.

6x - 3 = 4x + 9

And now we simplify.

6x - 3 = 4x + 9

-4x         -4x

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

2x - 3 = 9

    +3     +3

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

2x = 12

÷2      ÷2

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

x = 6

To find the perimeter, just multiply 6 by 4 since there's four sides. 6 x 4 = 20

which is the slowest rate? a. 2,983 km in 5 hr
b. 5,193 km in 7 hr
c. 3,094 km in 12 hr
d. 1,784 km in 3 hr

Answers

Answer:

C. 3,094 km in 12 hr

Step-by-step explanation:

we need to find kilometer per 1 hour so

2983/5=596.6 kilometers per hour

5,193/7= 741.857142857 km per hour

3,094/12=257.833333333 km per hour

1,784/3=594.666666667 km per hour

now which number is lowest

third one

Have a wonderful day! ask me if you have more questions

multiples of 5 less than 40​

Answers

Answer: 5, 10, 15, 20, 25, 30, & 35

Answer:

35,30,25,20,15,

Step-by-step explanation:

BRAAINLIEST PLS

Find volumeof right circular cone having base radius 14cm and slant height 14.8cm.​

Answers

Answer:

The cone has a volume of approximately 982.5 cubic centimetres.

* That answer sounds off to me, but I'm not sure.  You might want to run through the logic yourself and see if you get the same results.

Step-by-step explanation:

The volume of a cone is one third that of a cylinder with the same height and base radius. In other words:

[tex]v = \pi r^{2} \frac{h}{3}[/tex]

But before using that, we need to know the value of h, height.  What we are instead given is the slant height, or the length from tip to edge.

We can use that slant height along with the base radius to get the cone height, as the three of them are the edges of a right triangle, with slant height being the hypotenuse.

To get the height then we can say

[tex]h = \sqrt{s^{2} - r^{2}}[/tex]

Where h is height, s is slant, and r is radius.

[tex]h = \sqrt{14.8^{2} - 14^{2} }[/tex]

[tex]h = \sqrt{219.04 - 196}[/tex]

[tex]h = \sqrt{23.04}[/tex]

[tex]h = 4.8[/tex]

A very squat cone indeed.

Now we can plug that and the radius into the actual cone equation:

[tex]v = \pi (14cm)^{2} \frac{4.8cm}{3}\\= \pi 196cm^2 * 1.6cm\\\approx 985.2 cm^3[/tex]

What does x equal?

-3(x - 2) + x = -2x - 6

Answers

Answer:

No solutions

Step-by-step explanation:

-3(x - 2) + x = -2x - 6

Distribute the left side

-3x + 6 + x = -2x - 6

Combine like terms

-2x + 6 = -2x - 6

Add 2x to both sides

6 = -6

There are no solutions to this problem

write x≤58 in interval notation.

Answers

The x ≤ 58 in interval notation = (-∞, 58]

In this question, we have been given an inequality  x ≤ 58

We need to write given inequality in interval notation form.

We know that, an interval notation a way to describe a subset of real numbers by the numbers that bound them.

If we draw given inequality on the number line, then it would be as shown below.

x ≤ 58 represents that, x takes all values which are less than or equal to 58.

So, the interval notation would be (-∞, 58]

Therefore, the x ≤ 58 in interval notation = (-∞, 58]

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Let z = 1(cos(pi/12)+isin(pi/12)) and w=7 (cos(pi/22)+isin (pi/12)) what is zw

Answers

Answer:

D

Step-by-step explanation:

Answer:

IT'S BBBBBBBBBBBBBBBBBBBBB

Step-by-step explanation:

edge2021 ;)

HELP ASAP
suppose the fee is 7.5% of the selling price. determine the total cost of the game(fee included) original cost of the game is $76.
show your work

Answers

Answer:

Original Cost: $76

Fee: 7.5%

Take 7.5% of 76 (76 times .075)  and add the result to the original amount $76

So, 76 times .075= 5.7

5.7+76= 81.7

Step-by-step explanation:

Alyssa is lling a large bucket with water. She lls a 1-liter container with water and then dumps it into the bucket. If the bucket holds 5 gallons of water, how many 1-liter containers will it take to fill the bucket? 1 liter ≈ 0.264 gallon; 1 gallon ≈3.785 liters

Answers

It will take her around 18.925 or by rounding you get around 19 liter containers to fill up the 5 gallon bucket.

Work: I did this by finding the maximum amount of Liters the bucket can hold. Since the bucket holds 5 gallons and those gallons consisting of 3.785 liters, I multiplied 5x3.785 to get the maximum capacity in liters that the bucket can fill. Since the containers pouring the water are only 1 liter, we divide by 1 (which is useless but if it’s any number beside 1 do this step) by the total so we do 18.925/1 to get 18.925. If your teacher wants you to round, it’ll be 19

What expression is equivalent to (5z^2+3z+2)^2

please answer quick

Answers:
By
-5z^4+3z^2+4

-5z^3+9z^2+4

-25z^4 + 30z^3 + 19z^2 + 12z + 4

-25^4 + 30z^3 + 29z^2 + 12z + 4

Answers

b it is b sorry if it is wrong

The value of equivalent expression is,

⇒ 25z⁴ + 30z³ + 29z² + 12z + 4

What is an expression?

Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.

Given that;

The expression is,

⇒ (5z² + 3z + 2)²

Now, We get;

⇒ (5z² + 3z + 2)²

⇒ 25z⁴ + 9z² + 4 + 30z³ + 12z + 20z²

⇒ 25z⁴ + 30z³ + 29z² + 12z + 4

Thus, The value of equivalent expression is,

⇒ 25z⁴ + 30z³ + 29z² + 12z + 4

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Find the inverse of the function f(x)=x^3 +4

Answers

Answer:

Step-by-step explanation:

switch the x and f(x) values

x=y^3+4

subtract4

x-4=y^3

cube root

cube root(x-4)=y

What is the value of |5-a| if a = 9?

Answers

Answer: 4

Step-by-step explanation: once you sub in 9 for a, you'll get -4. However, the absolute value of -4 is 4.

The price of a shirt was reduced from $40 to $28. By what percentage was the price of the shirt reduced?

Answers

Answer:

70%

Step-by-step explanation:

HELP ME!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

The correct option is A

Step-by-step explanation:

Since (1, 3) are the solutions to the function g(x), then

g(x) = (x – 1)(x – 3) = x² –3x – x + 3 = x² – 4x + 3

We know that f(x) is on the same plane and f(1) = 1.

Let's take g(1) = (1 – 1)(1 – 3) = 0

Therefore, when x = 1; f = 1 and g = 0. Hence

g(1) = f(1) – 1

In order words, g(x) could be f(x) – 1.

The correct option is A

Kari's paper cup holds 6 fluid ounces. If one ounce is equivalent to 29.6 milliliters, how many milliliters does her paper cup hold?

Answers

Answer:

Equivalent measurements: teaspoon, ounce, pint, pound

You will find a table of equivalent measurements in the back of many cookbooks:

1 tablespoon = 3 teaspoons  

      1 cup = 16 tablespoon = 8 ounces  

    1/4 cup = 4 tablespoons  

    1/3 cup = 5 tablespoons plus 1 teaspoon  

     1 pint = 2 cups = 16 ounces  

    1 quart = 4 cups (2 pints) = 32 ounces  

   1 gallon = 4 quarts

    1 pound = 16 ounces

  1/2 pound = 8 ounces

  1/4 pound = 4 ounces

Note that a pint is 16 ounces of volume, while a pound is 16 ounces of weight. The popular rhyme "A pint's a pound, the world around" can help you remember this, but keep in mind that they're not really equivalent.

Doubling a recipe can be easy (just put in two of each measurement), but what if you need to divide a recipe in half? Here are some measurements that may help:

Measurement    1/2 Measurement

1/8 teaspoon   just a dash

1 tablespoon   1 1/2 teaspoons

1/4 cup        2 tablespoons

1/3 cup        2 tablespoons + 2 teaspoons

3/4 cup        6 tablespoons

Step-by-step explanation:

A straight line is drawn and divided into two angles. One angle is 75°. What is the measurement of the unknown angle?

Answers

Answer:

105

Step-by-step explanation:

straight line would be 180 degrees

subtract 180-75=105 ^_^

6(10+z+3)=? HELP IT IS DUE TODAY AND I AM ALMOST DONE!!!!

Answers

Answer: 6 (z+13)

Step-by-step explanation:

Answer:

Step-by-step explanation:

10-z=6

We move all terms to the left:

10-z-(6)=0

We add all the numbers together, and all the variables

-1z+4=0

We move all terms containing z to the left, all other terms to the right

-z=-4

z=-4/-1

z=+4

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