Mathematics College

ANSWER QUICK 70 POINTS!!!!!!!!!!!!!!
Identify the property that justifies each step asked about in the answer area below.
Line 1: (9+x)x
Line 2: x(9+x)
Line 3: x(x+9)

Answers

Answer 1

Line 1-Line 2-Associative property .

Line 2-Line 3- Distributive property

Solution:-

[tex]\\ \rm\longmapsto (9+x)x[/tex]

[tex]\\ \rm\longmapsto x(x+9)[/tex]

[tex]\\ \rm\longmapsto x(9+x)[/tex]

[tex]\\ \rm\longmapsto x^2+9[/tex]

Related Questions

Help thank you………………

Answers

Answer:

it is too easy I will answer it soon.

What is the measure of 2x?

Answers

Answer:

130 °

....................

Hi! I'm happy to help!

To solve this, we need to first solve for x.

The total of all the interior angles in a quadrilateral (closed, not curved, shape with 4 sides) is 360°. So, we can single out the xs by subtracting the other angles.

360-89

271

271-76

195

Now that we know that, without the other two angles, the quadrilateral is worth 195. The only 2 angles left have x in them. Since there are 3 xs, we can use this to find out our x.

3x=195

Now, divide both sides by 3.

x=65

Now that we have the value of x, the measure of 2x will just be double that.

65×2

130

The measure of 2x is 130°

I hope this was helpful, keep learning! :D

If 18 drinks cost £54, how much will 7 drinks cost ?

Answers

Answer:

£21

Step-by-step explanation:

Cost of 18 drinks = £54

Cost of 1 drink

= Cost of 18 drinks/18

= £54/18

= £3

Cost of 7 drinks

= Cost of 1 drink × 7

= £3 × 7

= £21

What is the correct clases for this drugs

‏Compazine
heelp me please

Answers

Answer:

It is a addiction XD

Step-by-step explanation:

Bsgsgwgwggwgwfeffefecrcr

What is the LCM for 18,24

Answers

Answer:

I think the LCM is 72 for 18 and 24

Answer:

hope it helps you........

Assume that when adults with smartphones are randomly selected , 44% use them in meetings or classes. If 8 adult smartphone users are randomly selected , find the probability that exactly 3 of them use their smartphone in meetings or classes

Answers

Answer:

you just answered your own question

y link
MIT
MULTIPLE CHOICE QUESTION
Is the following statement, True or False?
lf this same substance were cooling, the
freezing point, or moment when the
substance begins to freeze would happen
at 25 degrees Celsius.

Answers

Answer:

False False False because freezing point is 100 degree celsius

A: What is the perimeter of HOUSE?

perimeter of HOUSE =


(round to the nearest hundredth - two decimal places)


B: What is the length of OH?

(round to the nearest thousandth - three decimal places)


C: What is the midpoint of OU?


D: Which is longer, OH or EH?


E: What is the perimeter of the triangle HOU?


perimeter of triangle HOU


(round to the nearest hundredth - two decimal points)

Answers

First calculate distances or lengths(Refer to attachment)

A:-

[tex]\\ \sf\longmapsto Perimeter=Sum\:of\:sides[/tex]

[tex]\\ \sf\longmapsto 5.3+9+11+9+9.7[/tex]

[tex]\\ \sf\longmapsto 15+29[/tex]

[tex]\\ \sf\longmapsto 44[/tex]

B:-

Refer to the attchment

C:-

[tex]\\ \sf\longmapsto \left(\dfrac{1+4}{2},\dfrac{1+6}{2}\right)[/tex]

[tex]\\ \sf\longmapsto \left(\dfrac{5}{2},\dfrac{7}{2}\right)[/tex]

D:-

EH>OH

E:-

[tex]\\ \sf\longmapsto Perimeter[/tex]

[tex]\\ \sf\longmapsto 9.7+5.3+9[/tex]

[tex]\\ \sf\longmapsto 24[/tex]

find out the things that can be purchased between rupees 500 to rupees 100 for your house ?

Answers

We can buy small vases,Flower pots for our houses.

[tex]\sf\orange{Hope \: it \: helps \: please \: mark \: me \: as \: brainliest!}[/tex]

compute the absolute value and the conjugate of z = (1 + i) ^ 6​

Answers

Answer:

z = (1 + i)6 =³√2(cos π4+ isinπ4)´6= 8 µcos3π2+ isin3π2)¶= −8i. Hence |z| = 8 and ¯z = 8i. z = (1 + i)

I think I am not real sure

In polar form, we have

[tex]1+i = \sqrt2 e^{i\pi/4}[/tex]

Then by DeMoivre's theorem,

[tex](1+i)^6 = \left(\sqrt2\right)^6 e^{i\,6\pi/4} = 2^3 e^{i\,3\pi/2} = -8i[/tex]

Then

[tex]|z| = |-8i| = \boxed{8}[/tex]

and

[tex]\bar z = \overline{-8i} = \boxed{8i}[/tex]

11. The sales tax rate for the state of Washington was 8.4%. What is the final cost of a $5,700 car in Washington,
including tax?
$

Answers

Answer:

$5853.60

Step-by-step explanation:

8.4% of $5400 = $453.60

$453.60 + $5400 = $5853.60

Convert this rational number
to its decimal form and round
to the nearest thousandth.
1/6

Answers

Answer: 0.166

Step-by-step explanation:

Converting to a decimal:

1/6 = 0.1666 (1 divided by 6 - long division)

Rounding:

0.1666 to the nearest thousandth = 0.166

You’re help Is greatly appreciated!! I will mark BRAINLIEST as well

Answers

Answer:

1. -4/7

2. 4/3

3. x^2 + 16x + 63

4. x^2 + 19x + 90

Step-by-step explanation:

1. (1, 8) and (8, 4)

slope = m = (8 - 4)/(1 - 8) = -4/7

2. (2, 4) and (5, 8)

slope = m = (8 - 4)/(5 - 2) = 4/3

3. (x + 9)(x + 7) =

= x^2 + 7x + 9x + 63

= x^2 + 16x + 63

4. (x + 10)(x + 9) =

= x^2 + 9x + 10x + 90

= x^2 + 19x + 90

54394 plus 13768


Thank you

Answers

Answer:

[tex]54394 + 13768 \\ \\ = 68162[/tex]

Answer:

68,162 is the answer

Step-by-step explanation:

54394+ 13768 = 68162

What is 48% of 159 express your answer rounded correctly to one decimal place

Answers

Answer:

.48 * 159 = 76.32

Step-by-step explanation:

Step 1: Make the percent into a decimal
48%
=0.48

Step 2: multiply to find the percent
0.48*159=76.32

So 48% of 159 is 76.32

Step 3: Round to the nearest tenth (assuming the one decimal place means tenth place)

76.32
=76.3

Reading - Word - Level 1
Vocabulary
Page 21
*
Safety is the number one priority at our trampoline parks.
That's why every session is supervised by our trained staff.
However, we cannot do it alone. We ask that parents and
guardians make sure their children follow our rules.
Informative
Persuasive

Answers

Answer:

crisp, clean, formal, readable

Step-by-step explanation:

Informative - that’s why every session is supervised by our trained staff

Persuasive - safety is number one

Pls give me a brainliest thx

uhhhhh help lol find angle

Answers

Answer:

129°

Step-by-step explanation:

51+51 =102

360-102=258

258÷2=129

:)


[tex] {x}^{4} - 16 = [/tex]
What is the answer and steps ​

Answers

Answer:

[tex](x - 2) \times (x + 2) \times ( {x}^{2} + 4)[/tex]

Step-by-step explanation:

[tex] {x}^{4} - 16[/tex]

➡️ [tex] {x}^{2 \times 2} - 16[/tex]

➡️ [tex] {x}^{2 \times 2} - {4}^{2} [/tex]

➡️ [tex]( {x}^{2} {)}^{2} - {4}^{2} [/tex]

➡️ [tex]( {x}^{2} - 4) \times ( {x}^{2} + 4)[/tex]

➡️ [tex](x - 2) \times (x + 2) \times ( {x}^{2} + 4)[/tex]

Please help me out quickly!!

Answers

Answer:

third answer! x = -2/9

Step-by-step explanation:

:)

A straw is placed inside a rectangular box that is 6 inches by 8 inches by 5 inches, as shown. If the straw fits exactly into the box diagonally from the bottom left corner to the top right back corner, how long is the straw? Leave your answer in the simplest radical form.

Answers

Here you I also tried to help someone that needed the same help!

Hello I need help in my math

12: {x,y,z} ? {a,b,c} is it equal or not?

13: {0} ? { } equal or not?

Please help no spam no links I need help mark brainliest!!

Answers

12: Equal, because the cardinal number of {x,y,z} are same as {a,b,c}, that is, 3.

13: Not equal, because in set {0}, there is one element , while in set { } , there are no elements at all .

Hope it helps you. Have a nice day!

(by Benjemin)

Write a function rulle

Answers

Hey, there! Based on the table from the picture, every hour increased is $6 increased for the cost of the rental.

First hour: $10

Second hour: $16

Third hour: $22

Fourth hour: $28

So, final answer is:

+1 hour=+$6.

Anyways, I hope this helps! Enjoy your day! Take care!

Translate into a variable expression. y decreased by 30

Answers

Answer:

y-30

Step-by-step explanation:

If y is decreased by 30, then you are saying y-30.

4. Solve the following equations and verify your answers: (i) 3 (x + 7) = 18​

Answers

Answer:

8.33333333333

Step-by-step explanation:

Solution for 3x-7=18 equation:

3x - 7 = 18

3x = 18 + 7

3x = 25 (divide both sides by 3 to get x)

3x/3 = 25/3

x = 8.33333333333

Help mee plsssssssdds​

Answers

Answer:

No Inez is not correct.

Step-by-step explanation:

[tex]\frac{1}{3} > \frac{1}{5}[/tex] (1/3 is greater than 1/5)

A store advertises a sale on t-shirts. The advertised price is four t-shirts for $48. Write and solve an equation to find the cost of one t-shirt.

a.) $8
b.) $12
c.) $16
d.) $48

Answers

4 tshirts = $48

( Divide by 4 )

1 tshirt = $12 -b.)


Pls give me a brainliest if this helped thx

Perimeter cm, area square cm

Answers

Step-by-step explanation:

[tex]perimeter = 2(l + b) = \\ 2(15 + 8) = 2(23) = 46cm \\ area = lb \\ 15 \times 8 = 120 {cm}^{2} \\ thank \: you[/tex]

15 multiple 8= 120120 multiple 128 = 15,360 cm

Your ans is 15,360cm Hope it helps you my friendGood morning

calculate the amount that would remain in an investment account after 3 years if you were to deposit 1500 every month starting today but would withdraw 750 at the end of every 12 month period. interest is 14% compounded monthly​

Answers

Answer:

58995

Step-by-step explanation:

Benchmark of 6/10, how do I get this worked out

Answers

Answer:

0.60 or 60% is the answer!

Step-by-step explanation:

Hope I helped

For what values of k will the equation 4x² + 8x + k = 0 have two real solutions?

Answers

Answer:

k < 4

Step-by-step explanation:

Given a quadratic equation in standard form

ax² + bx + c = 0 ( a ≠ 0 )

Then the discriminant Δ = b² - 4ac informs us about the nature of the solutions.

• If b² - 4ac > 0 then 2 real and distinct solutions

• If b² - 4ac = 0 then 1 real and repeated solution

• If b² - 4ac < 0 then no real solutions

4x² + 8x + k = 0 ← is in standard form

with a = 4, b = 8 , c = k , then

b² - 4ac = 8² - (4 × 4 × k) = 64 - 16k

For two real solutions

64 - 16k > 0 ( subtract 64 from both sides )

- 16k > - 64

Divide both sides by - 16, reversing the symbol as a result of dividing by a negative quantity.

k < 4

Then any value less than 4 will ensure the equation has two real solutions

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