Help.-. Plsssssssssss

Help.-. Plsssssssssss

Answers

Answer 1

Answer:

mDE = 9

Step-by-step explanation:

mCD and mDE must add up to mCE

Step 1: Set up equation

mCD + mDE = mCE

5x + 1 + 3x + 3 = 20

Step 2: Solve for x

Combine like terms: 8x + 4 = 20Subtract 4 on both sides: 8x = 16Divide both sides by 8: x = 2

Step 3: Find mDE

mDE = 3x + 3

mDE = 3(2) + 3

mDE = 6 + 3

mDE = 9


Related Questions

Why does this not exist? I thought if you plugged in infinity, you would just get infinity. Do you not plug in infinity?

Answers

Answer:

See below

Step-by-step explanation:

It does not exist because the

[tex](-1)^x[/tex]

doesn't tend to some value it just loop around

[tex]-1, 1[/tex]

for ever

it exist when we have

[tex]\lim_{x\rightarrow \infty}[(\frac{1}{x})][/tex]

there when the value of x increasing the fractions tends to 0

so we can say that when x approaches infinity the value is 0.

Tell me if i haven't made myself clear

What is a possible first step when multiplying 4/5 by 3

Answers

it’s D, as you would multiply 4 and 3, and put it over 5.

How much time will Alex need to walk to his school, which is 2 1 4 miles away from his house, if he would walk with the speed of 3 mph

Answers

Step-by-step explanation:

[tex]9.16 = 585288 { \sqrt[5 < 63 = 33 \times \\ ]{?} }^{?} [/tex]

Answer: Its 0.75 hours :)

How much work is required to lift a 2.90 kg object from the bottom of a well 8.7 m deep?

Answers

Answer:

THE ANSWER IS YOU CAN DO IT BECAUSE YOUR SMART!!!!!

Step-by-step explanation:

What is the y-intercept of the function f(x) =-2/9x + 1/3?
-2/9
-1/3
1/3
2/9

Answers

Answer:

1/3 is the y-intercept of the function

1/3 is the y-intercept

plz plz pls help pls

Answers

Answer:

The second choice.

Step-by-step explanation:

Answer:

52 + 4 = 4 + 52

Step-by-step explanation:

Hope that will help you

What is the domain and range of the function?

Answers

Answer:

Domain: (-∞,∞)

Range: (-∞,∞)

Factor 5x^2? + 10x + 2x + 4.​

Answers

Answer:

x 2 + 6 x +9

Step-by-step explanation:

The Zagat Restaurant Survey provides food, decor, and service ratings for some of the top restaurants across the United States. For restaurants located in Boston, the average price of a dinner, including one drink and tip, was . You are leaving on a business trip to Boston and will eat dinner at three of these restaurants. Your company will reimburse you for a maximum of per dinner. Business associates familiar with these restaurants have told you that the meal cost at one-third of these restaurants will exceed . Suppose that you randomly select three of these restaurants for dinner. a. What is the probability that none of the meals will exceed the cost covered by your company (to 4 decimals)

Answers

Answer:

Hello your question has some missing part below is the missing part

The Zagat Restaurant Survey provides food, decor, and service ratings for some of the top restaurants across the United States. For 15 restaurants located in Boston, the average price of a dinner, including one drink and tip, was $48.60. You are leaving for a business trip to Boston and will eat dinner at three of these restaurants. Your company will reimburse you for a maximum of $50 per dinner. Business associates familiar with these restaurants have told you that the meal cost at one-third of these restaurants will exceed $50. Suppose that you randomly select three of these restaurants for dinner.

Answer : 0.2637

Step-by-step explanation:

Average price of dinner including one drink and a tip in Boston = $48.60

Number of restaurants = 15

number of restaurants whose meal cost more than $50 = 1/3 * 15 = 5

Probability that None of the meals will exceed the cost covered by your company

ATTACHED BELOW is the solution

P( none ) = 0.2637

If you flip a coin 11 times, what is the probability of ending up with more heads than tails?

Answers

Answer:

55%

Step-by-step explanation:

what does it mean by "determine the equation of a line that passes through the given point. First find the slope" someone please help and give answer ASAP

Answers

Answer:

y=-3x-1

Step-by-step explanation:

The mistake that was made was in the denominator of the work. The second 2 should be the -1. This is what you should get:

[tex]\frac{-7-2}{2-(-1)}[/tex]

[tex]\frac{-9}{3} =-3[/tex]

Hope that clear things up.

When Louisa arranges her pennies into a rectangle with two equal rows, three equal rows, four equal rows, or six equal rows, she has one leftover penny. When she arranges her pennies into a rectangle with five equal rows, she has two leftover pennies. How many pennies could Louisa have? Remember he has between 10 and 40 pennies total.

Answers

Answer:

37

Step-by-step explanation:

All those can have equal rows with leaving the one out and with five equal groups it would leave 2

6 eggs weigh 3/4 of a pound. How much does each egg weigh?

Answers

9514 1404 393

Answer:

  1/8 lb or 2 oz

Step-by-step explanation:

You find the weight per egg by dividing the weight by the number of eggs:

  (3/4 lb)/(6 eggs) = 3/24 lb/egg = 1/8 lb/egg

A pound is 16 ounces, so 1/8 lb is 2 oz.

Each egg weighs 1/8 lb or 2 oz.

please help me with functions​

Answers

Answer:

1.) Domain: [-2, 1] Range: [1, 2] 2.) Domain: [-1, 2] Range: [-2, 2]

Step-by-step explanation:

Which of the following completes the statement?

In the number 45,569, the 5 in the hundreds place is ______ the 5 to its left.

A. the same value as
B. 1/10 the value of
C. 10 times the value of
D. 100 times the value of ​

Answers

Answer:

B

Step-by-step explanation:

Because the 5 in the hundreds place multiplied by 10 will result in the product of 5,000.

solve the proportion just type in the answer do not include the variables 14/8 equals x over 20​

Answers

The answer. . . . . . x=35
To solve this ratio let us use cross multiplication :-

[tex] \frac{14}{8} = \frac{x}{20} [/tex]

[tex]14 \times 20 = 8 \times x[/tex]

[tex]280 = 8x[/tex]

[tex]8x = 280[/tex]

[tex]x = \frac{280}{8} [/tex]

[tex]x = 35[/tex]

Using this let us find the proportional fractions :-

[tex] \frac{14}{8} = \frac{x}{2 0 } [/tex]

[tex] \frac{14}{8} = \frac{35}{20} [/tex]

[tex]∴the \: proportional \: fractions \:are :[/tex]

[tex] \frac{14}{8} :: \frac{35}{20} [/tex]

Can someone help on the whole page please... really need help

Answers

Answer:

See attached

Step-by-step explanation:

The answer filled in the paper, refer to attachment

Solve by using the quadratic formula: x^2 - 6x + 7 = 0 Please enter any square root values using "sqrt" or the decimal answer rounded to the nearest hundredth (i.e. V2 = sqrt(2) or 1.41).​

Answers

Given parameters:

 Quadratic expression:

                 x² - 6x + 7 = 0

Solve using quadratic formula;

                      x   = [tex]\frac{-b +/- \sqrt{b^{2 } - 4ac} }{2a}[/tex]

From the equation;

  a  = 1, b = -6 and c = 7

Input the parameters and solve;

           x = [tex]\frac{-(-6) +/- \sqrt{-6^{2 } + 4 x 1 x 7 } }{2 x 1}[/tex]

          x = [tex]\frac{6 +/- \sqrt{36} +28 }{2}[/tex]

        x = [tex]\frac{6 +/- \sqrt{64} }{2}[/tex]

          x = [tex]\frac{6 + 8}{2 }[/tex]    or [tex]\frac{6-8}{2}[/tex]

          x = 7 or -1

         

Answer:x is 7 or -1

Step-by-step explanation: based on the quadratic expression

Which expression is equivalent to 1/4 -3/4 x?

Answers

Answer:

factor out 1/4 from the expression

1/4x(1-3x)

The length of the window is 2m longer than its width and the are is 32m²

Answers

The last part is confusing but how I think it is is you multiply 32 by 2 and subtract 2

which property of equality is 4x-3=x+9

Answers

Answer:

Two equations that have the same solution are called equivalent equations e.g. 5 +3 = 2 + 6. And this as we learned in a previous section is shown by the equality sign =. An inverse operation are two operations that undo each other e.g. addition and subtraction or multiplication and division. You can perform the same inverse operation on each side of an equivalent equation without changing the equality.

5+3−2=6+2−2

This gives us a couple of properties that hold true for all equations.

The addition property of equality tells us that adding the same number to each side of an equation gives us an equivalent equation

ifa−b=c,thena−b+b=c+b,ora=c+b

The same goes with the subtraction property of equality.

ifa+b=c,thena+b−b=c−b,ora=c−b

As well as it goes for the multiplication property of equality. If you multiply each side of an equation with the same nonzero number you produce an equivalent equation.

ifab=c,andb≠0,thenab⋅b=c⋅b,ora=cb

And naturally this goes for the division property of equality as well. You can divide each side of an equation with the same nonzero number to produce an equivalent equation

ifa⋅b=c,andb≠0,thena⋅bb=cb,ora=cb

This gives us a way to change an equation to our own liking. Anything is acceptable as long as you do the same thing on both sides.

so pretty much what I'm tryna say it x=4

sorry for being so extra-

R
(x + 1)
(3x - 5)
S
Р
What is mzPQR ?

Answers

Answer:

x+  1= 3

Step-by-step explanation:

^^

What is the value of X

Answers

34 degrees


Step by step explanation
The correct answer is 34

Someone, please help me out here.


P.S if you don't know the answer to this question don't comment at all because it's not very useful to me or anyone who needs help. Plus it just adds a warning to your account which may or may not get you banned.

Answers

Answer:

Smallest to largest

Step-by-step explanation

4/3, square root of 2, 1.423..., pie, 1.666...., square root of 4

A selective college would like to have an entering class of 1200. Because not all students who are offered admission accept, the college admits more than 1200 students. Past experience shows that about 70% of the students will accept. The college decides to admit 1500 students. Assuming that students make their decision independently, the number who accept, X, has the Bin(1500, 0.70) distribution. If this number is lower than 1200, the college will admit students from its waiting list.What is the mean of the distribution of X - that is, the expected number of students who will accept admission

Answers

Answer:

The value is [tex]\mu = 1050 [/tex]

Step-by-step explanation:

From the question we are told that

The sample size is n = 1500

The probability of a student accepting the admission is p = 0.70

Generally the mean off the distribution of X is mathematically represented as

[tex]\mu = np[/tex]

=>    [tex]\mu  =  1500 *  0.70 [/tex]

=>    [tex]\mu  =  1050 [/tex]

A menagerie consists of seven brown dogs, two black dogs, six gray cats, ten black cats, five blue birds, six yellow birds, and one black bird. Deter- mine which of the following statements are true and which are false.
a. There is an animal in the menagerie that is red.
b. Every animal in the menagerie is a bird or a mammal.
c. Every animal in the menagerie is brown or gray or black.
d. There is an animal in the menagerie that is neither a cat nor a dog.
e. No animal in the menagerie is blue.
f. There are in the menagerie a dog, a cat, and a bird that all have the same color.

Answers

Answer:

(a) False

(b) True

(c) False

(d) True

(e) False

(d) True

Step-by-step explanation:

(a) There is an animal in the menagerie that is red (false, the colors of the animals are brown, black, gray, blue, yellow)

(b) Every animal in the menagerie is a bird or a mammal (True, dogs and cats are mammal)

(c) Every animal in the menagerie is brown or gray or black. (false, there are five different colors of animals in the menagerie)

(d) There is an animal in the menagerie that is neither a cat nor a dog (True, the animal is bird)

(e)  No animal in the menagerie is blue ( False, there are five blue birds)

(f) There are in the menagerie a dog, a cat, and a bird that all have the same color. (True, the color is black)

What is the length of the hypotenuse of the triangle?

Answers

Answer:

In geometry, a hypotenuse is the longest side of a right-angled triangle, the side opposite the right angle. The length of the hypotenuse of a right triangle can be found using the Pythagorean theorem, which states that the square of the length of the hypotenuse equals the sum of the squares of the lengths of the other two sides. For example, if one of the other sides has a length of 3 (when squared, 9) and the other has a length of 4 (when squared, 16), then their squares add up to 25. The length of the hypotenuse is the square root of 25, that is, 5.

Step-by-step explanation:

Hope this helps! <3

4/3+1/6=p what two numbers does p fall between

Answers

1 and 2

The number comes out as 1 and 1/2 or 1.5

in general how does perimeter "a" affect y=a(b x-c)?​

Answers

A affects the slope of the graph.

When a is less than 1, the amplitude of the graph decreases which causes the slope of the graph to appear more flat.

When a is greater than 1, the amplitude of the graph increases which causes the slope of the graph to appear more steep.

add the following conceptually and using the standard algorithm 79-26​

Answers

Answer: 53

Step-by-step explanation:

79

-26

53

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