Pls solve this question

Pls Solve This Question

Answers

Answer 1

Answer:

4

Step-by-step explanation:

(A+B+C+D) / 4 = 10 .... average=sum/number of item

(A+B+C)/3 = 3D ... average of first 3 (A,B,C) is triple of forth (D)

A+B+C = 9D

(9D+D)/4=10

10D = 40

D = 4


Related Questions

Lisa solved the equation x + 6 = 8 + 7x and claimed that the solution is X=-6. Is she
correct? Explain.

Answers

Answer:

she is wrong x would be -1/3

Step-by-step explanation:

-6x - 2 = 0

x = -2/6 which is equal to -1/3

Hi please help me answer this :)

Explain answer

Will give braisnlt

Answers

Answer:

There are no solutions

Step-by-step explanation:

No intersections or points that apply for the equations.

HELP WILL GIVE BRIANLIEST
Which of the following best demonstrates the Distributive Property?


3 ( 2+ 4) = 4 ( 3+2)

4 ( 5 + 2) = 10 + 2

4 (5 + 6) = 4 * 11

3 + 6 + 2 = 2 + 3 + 6

Answers

Answer:

The 2nd equation

50. If angles are complementary, what’s value of x?

Answers

Answer:

x = 14

Step-by-step explanation:

For complementary angles, the sum of two angles is equal to 90 degrees.

We have,

[tex]m\angle ABC = 4x-10\\\\m\angle DBC = x+30[/tex]

ATQ,

[tex]4x-10+x+30=90[/tex]

Taking like terms together,

4x+x =90-30+10

5x = 70

x = 14

So, the value of x is 14.

Identity the composite number represented by the prime factorization below
22 X 32 X 7
It’s exponents

Answers

Answer:look below

Step-by-step explanation: The prime factorization of number is the break down into factors which are prime numbers (numbers without factors except 1 and itself). The factors 22 and 32 are composite numbers since they have more than 1 and itself as factors. They are not prime.

However, the factorization of 22 * 32 * 5 will equal a number. 22*32*5 = 3, 520. But it does not match the solutions given.

Answer:

2464

Step-by-step explanation:

prime factors : 32,11,7

32×11×7=2464

Let y be a function of x such that 8x+7y=51 what is the rate of change of y with respect to x

Answers

Answer: -8/7

Step-by-step explanation:

A $300 suit is marked down by 10%. Find the sale price.
The sale price is $
(Round to the nearest dollar as needed.)

Answers

Answer:

The answer is $270

Step-by-step explanation:

1. Take the original price.

2. Divide the original price by 100 and times it by 10.

3. Move the decimal one place to the left.

4. Minus this new number from the original one.

5. This will give you the discounted value.

I hope this helped! :)

Find the missing angle measures
Please help

Answers

Answer:

angle N is 64 and the bottom one is 52

Step-by-step explanation:

M and N are the same angke and they add up to 128 and all angles in a triangle add up to 180 meaning the bottom angle is 52

Answer:

N = 64 if there is another letter it would be 52

Step-by-step explanation:

I hope this helps <3

the Pythagorean theorem


please help answer all the questions

Answers

Answer:

Step-by-step explanation:

A.)

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

[tex]16^{2} +20^{2}= c^{2}[/tex]

256 + 400 = [tex]c^{2}[/tex]

656 = [tex]c^{2}[/tex]

25.6 = c

__________________________________________________________

B.)

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

[tex]25^{2}+ 10^{2} = c^{2}[/tex]

625 + 100 = [tex]c^{2}[/tex]

725 = [tex]c^{2}[/tex]

26.9 = c

__________________________________________________________

C.)

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

[tex]12^{2} +10^{2}= c^{2}[/tex]

144 + 100 = [tex]c^{2}[/tex]

244 = [tex]c^{2}[/tex]

15.6 = c

__________________________________________________________

D.)

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

[tex]26^{2}+ 24^{2} =c^{2}[/tex]

676 + 576 =  [tex]c^{2}[/tex]

1,252 =  [tex]c^{2}[/tex]

35.4

__________________________________________________________

Sry it takes a lot of time to put in these equations and all that

Hope it helped!

If an orca is 200 m below the surface of the water and then swims up and jumps 5 m in the air, what is the total distance it traveled?

Answers

Answer:

Total distanced traveled = 205 m

Step-by-step explanation:

200 m+5 m=205 m

What are the like terms in the algebraic expression?
-ab+6ab-8+5ab-6a-b
O -band - 6a
O -²band 5ab
O 6aband 5ab
O Baband - 6a

Answers

None are right
It should be
10ab and -8 and -6a and -b

is 944544 divisible by 10

Answers

Yes and it’s 94454.4

Consider the expressions (3m+2n−6) and (−4−6m+7n). What is the sum of the expressions for n = -2 and m = 5?

Answers

Answer:

The answer would be 28 becasue if you divide th right number by the m substitue that for the number 97

The sum of the expressions for n = -2 and m = 5 is -43

What is a expression? What is a mathematical equation?A mathematical expression is made up of terms (constants and variables) separated by mathematical operators. A mathematical equation is used to equate two expressions. Equation modelling is the process of writing a mathematical verbal expression in the form of a mathematical expression for correct analysis, observations and results of the given problem.

We have the following expressions (3m + 2n − 6) and (− 4 − 6m + 7n).

We can write the sum of the expression as -

(3m + 2n − 6) + (− 4 − 6m + 7n)

3m + 2n - 6 - 4 - 6m + 7n

3m - 6m + 2n + 7n - 6 - 4

- 3m + 9n - 10

At n = - 2 and m = 5, we get -

(- 3 x 5 + 9 x -2 - 10)

- 15 - 18 - 10

- 43

Therefore, the sum of the expressions for n = -2 and m = 5 is -43.

To solve more questions on Equations, Equation Modelling and Expressions visit the link below -

brainly.com/question/14441381

#SPJ2

Does anyone know the answer to this¿?¿

Answers

the answe is y=25 and theres 5$

(Giving brainliest to correct answer)
Need quick
28 POINTS ANSWER RIGHT

Congruence

Answers

Answer:

BE =DE

BEC=DEC

AEB AED

Step-by-step explanation:

not that hard lol

I need help with this Geometry question

Answers

Answer: A) 6 in^2

First, you need to find the length of the base.

a = 3, b = ?, c= 5

Using Pythagorean Theorem*: a^2 + b^2 = c^2

b^2 = c^2 - a^2

b^2 = 5^2 - 3^2

b^2 = 25 - 9

b^2 = 16 (square root both sides)

b = 4

Now, you have to find the area using the area of a triangle formula: A = (bh)/2

A = (bh)/2

A = (4·3)/2

A = 12/2

A = 6 in^2

Pythagorean Theorem is used for this question since it's a right triangle.

Answer: A) 6in^2

Step-by-step explanation:

base = 4 in

height = 3 in (pythagorean theorem)

A = (bxh)/2 = (4x3)/2 = 12/2 = 6 in^2

Jack can make 3 cups of croutons from
5 slices of bread. How many cups of
croutons can he make from 35 slices of
bread?

Answers

Answer:

there are 7 fives in 35

and each 5 slices makes 3 cups

so,,7×3=21 cups

Answer:

21 cups

Step-by-step explanation:

What is the income distribution of super shoppers? A supermarket super shopper is defined as a shopper for whom at least 70% of the items purchased were on sale or purchased with a coupon. In the following table, income units are in thousands of dollars, and each interval goes up to but does not include the given high value. The midpoints are given to the nearest thousand dollars.


Income range 5-15 15-25 25-35 35-45 45-55 55 or more
Midpoint x 10 20 30 40 50 60
Percent of super shoppers 20% 13% 21% 17% 20% 9%

Required:
Using the income midpoints x and the percent of super shoppers, do we have a valid probability distribution? Explain.

Answers

Answer:

Yes, the probability distribution is valid.

Step-by-step explanation:

Given :

Income range ___ midpoint(x) ___ %

5 - 15 __________ 10 _____20%

15 - 25 _________ 20 _____13%

25- 35 _________ 30 _____ 21%

35 - 45 _________40 _____ 17%

45 - 55_________ 40 ____ 20%

55 or more _______ 50 _____9%

Yes, we do have a valid probability distributuon ; as the summation of the percentage values is equal to 100%

Yes. Using the income midpoints  x and the percent of super shoppers, we can conclude that we have a valid probability distribution.

Given:

Income ranges: 5-15, 15-25, 25-35, 35-45, 45-55, 55 or more.

Midpoints x:       10,     20,      30,      40,       50,      60

Percent of super shoppers: 20%, 13%, 21%, 17%, 20%, 9%.

A valid probability distribution has two must have properties:

Its probabilities are non-negative.

Its probabilities sum to 1.

In the given data, the percentages can be converted to probabilities by dividing by 100 as :

0.2, 0.13, 0.21, 0.17, 0.2, 0.09

None of the probabilities are negative.

All probabilities add up to 1

[tex]0.2 + 0.13 + 0.21 + 0.17 + 0.2 + 0.09 = 1[/tex]

Thus, given distribution is a valid probability distribution.

Learn more here:

https://brainly.com/question/795909

There are 3 red, 2 blue, and 1 yellow marbles in a bag. Once a marble is selected, it is not replaced. Determine the probability. P(red and then yellow)

Answers

Answer:

The probability of drawing a red is 50% blue is 1/3 or 33.33% yellow is 1/6 or 16.66

Step-by-step explanation:

a card is picked at random
from a pack of 52 playing
cards. what is the probobility
of selecting a spade ​

Answers

Answer:

1/4

Step-by-step explanation:

the probability  of selecting a spade: 14/52 = 1/4

Andy was scuba diving while his friend Ramon was climbing a mountain. If Andy was at an elevation of -100 feet, and Ramon was at an elevation of 975 feet, what was the difference in elevation (in feet) between Andy and Ramon?

Answers

Answer:

1075 feet

Step-by-step explanation:

estimate the sum of 945 + 537 + 617 by rounding each number to the nearest hundred ​

Answers

Answer:

Around 2080

Step-by-step explanation:

Answer is: 2000

Step-by-step explanation:

945 rounds to 900

537 rounds to 500

617 rounds to 600

Add them up to get 2000

HELP ME PLZZ will give 30 points
Stock F had a price change of –4 dollars and Stock G had a price change of +1 dollars.

Brody said Stock G had a greater price change because a positive integer is greater than a negative integer. Is his statement correct? Explain why or why not.

Answers

sample response

No his statement is not correct. Brody confused value and magnitude. [-4]= 4 and -[+1] = 1. The magnitude of -4 is grater than the magnitude of +1. Stock F had a greater price change.

6 times 7 is 42 6 times 5 is 30 if that's any help please help me out.

Answers

6 * 5 = 30

42 - 30 = 12

? * 2 = 12

? = 6

Please help it’s so important

Answers

Given:

In [tex]\Delta ABC, \overline{CA}=\overline{CB}[/tex].

[tex]\overline{CD}[/tex] is an altitude drawn from C to [tex]\overline{AB}[/tex].

To prove:

[tex]\overline{CD}[/tex] bisects [tex]\overline{AB}[/tex].

Proof:

In [tex]\Delta ABC[/tex], [tex]\overline{CD}[/tex] is an altitude drawn from C to [tex]\overline{AB}[/tex].

It means, [tex]\Delta ACD\text{ and }\Delta BCD[/tex] are right angle triangles.

In [tex]\Delta ACD\text{ and }\Delta BCD[/tex],

Hypotenuse : [tex]\overline{CA}=\overline{CB}[/tex]       [Given]

Leg : [tex]\overline{CD}=\overline{CD}[/tex]       [Common]

If the hypotenuse and leg of one right triangle are congruent to the hypotenuse and leg of another right triangle, then by HL postulate both triangles are congruent.

[tex]\Delta ACD\cong \Delta BCD[/tex]        [HL postulate]

[tex]\overline{AD}\cong \overline{BD}[/tex]       [CPCTC]

[tex]\overline{AD}=\overline{BD}[/tex]

It means, point D is the midpoint of [tex]\overline{AB}[/tex].

So, [tex]\overline{CD}[/tex] bisects [tex]\overline{AB}[/tex].

Hence proved.

2x/3- y +7; x = 9, y=4

Answers

Answer:

-5

Step-by-step explanation:

2×9/3 - (4+7)

18/3 -11

18/3 - 33/3

-15/3

-5

Answer:

9

Step-by-step explanation:

2x/3- y +7; x = 9, y=4

plug in the numbers

2(9)/3-(4)+7

simplify 2(9)/3

2 • 9=18

18/3=6

6-4+7

6-4= 2

2+7=9

how many more pounds do u need to make 5 pounds if u already have 3.85 pounds​

Answers

Answer:

1.15 pounds

Step-by-step explanation:

5 - 3.85 = 1.15

Answer:

1.15

Step-by-step explanation:

5.00

-3.85

---------

1.15

Hope this helps!

LOOK BELOW PLEASE AM MARKING BAINLIST PLEASE GUYS

Answers

Answer:

C) 10

Step-by-step explanation:

hope it helps youuuuuu

Answer:

i got c) 10

Step-by-step explanation:

(11^2-9^2)*(1/2)^2

(121-81)

40*(1/2)^2

40*0.25

10

vwala can i have brainliest?

how many 3/8 are in 5 1/4

Answers

Answer: 14

Step-by-step explanation:

Plz help lol
(12221×222) ×+212%234\/()231331783)2343#23=22+×233)1(23€£÷÷) =​

Answers

Answer:

(c) 24 (d) 2 -4 (e) 22 2 1.25 0

Step-by-step explanation:

Problem 1.1 (10 Points) Let 21 2j, and 23 j. Find the value of each of the following 3 4j, 22 expressions and give your answers in rectangular form z t jy. (a) 132122 (b) 321 421 (c) (21)3 (Note that superscript denotes conjugation.) 222 21 (d) 22 (e) 2223 Problem 1.2 (10 Points) (a) Find real numbers r and y such that 5z -3y j(5y z) 4. (b) Show that any complex number z can also be expressed as z e 2"* k 0, 1,2, 3. Problem 1.3 (10 Points) Express each of the following complex numbers in polar form. a) 2 2V3 (c) 1 j j2 7 4j (d) 3-2j (e) Problem 1.4 (10 Points) Use the results from Problem 1.2 (b) above to find all roots of the following complex numbers and plot your results in the complex plane. (a) 1 (Hint: there are 5 different answers and one is 2 (b) 23 (1 -j) (Hint: there are 3 different answers. (c) 24 (d) 2 -4 (e) 22 2 1.25 0

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