What is the answers to this math 3-3x6+2=

Answers

Answer 1

Answer: Follow the BDMAS rule: -3x6= -18. 3-18+2. 3-16 = -13 is the answer. :))

Answer 2

Answer: 3-3x6+2= 3 times 6 is 18 3-18= -15 -15+2=-13 So I used PEMDAS with this problem I hope this help if u want more information tell me so I can help

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Anyone know? A. 99 B. 100 C. 121D. Cannot be determined
The probability that any postcard posted in Portugal on Monday is delivered to the UK within a week is 0.62.The probability that any postcard posted in Portugal on Friday is delivered to the UK within a week is 0.41. Anna is on holiday in Portugal. She posts 15 postcards to the UK on Monday. How many of her postcards can she expect to be delivered within a week? (2 marks)
A trapezoid has symmetry with respect to the median of the trapezoid.True or False
Select all the sequences of reflections that produce an image equivalent to the image r(180°, O)(△BCD).

Can you help? Thanks!

Answers

Answer:

(7, 2).

Step-by-step explanation:

The median from A intersects BC at it's midpoint.

To find the midpoint of BC:

This is (x1, y1) where x1 = (sum of the x_values of B and C) / 2) and where y1

= (sum of the y_values of B and C) / 2)

This is (2+12)/2, (1 + 3)/2

= (7, 2).

If D varies directly with t and D is 105 when t is 3, find D when t is 8

Answers

Answer:

Value of D when t is 8 is:

280

Step-by-step explanation:

If D varies directly with t

⇒ D=kt for some constant k

D is 105 when t is 3

⇒ 105=3k

⇒ k=105/3

⇒ k=35

⇒ D=35t

when t=8

D=35×8

⇒ D=280

Hence, Value of D when t is 8 is:

280

105÷3=35 so you would do 8×35 and get 280

Which polynomial can be simplified to a difference of squares? 10a2 + 3a – 3a – 16 16a2 – 4a + 4a – 1 25a2 + 6a – 6a + 36 24a2 – 9a + 9a + 4

Answers

16a² - 4a + 4a - 1 can be simplified to a difference of squares:

16a² - 4a + 4a - 1 =
16a² - 1 =
(4a)² - 1² =
(4a-1)(4a+1)

Answer:

2. $16a^2-4a+4a-1$

Step-by-step explanation:

We have to find the polynomial can be simplified to a difference of squares.

1. $10a^2+3a-3a-16$

Combine like terms

$10a^2-16$

10 in $10a^2$ is not a perfect square number because when a number end with one zero then the number is not perfect square number.

Therefore, it can not be simplified to a difference of squares.

2. $16a^2-4a+4a-1$

$16a^2-1$

Combine like terms

$(4a)^2-(1)^2$

Hence, the polynomial can be simplified as difference of squares.

3. $25a^2+6a-6a+36$

Combine like terms

$25a^2+36$

$(5a)^2+(6)^2$

Hence, the polynomial can not be simplified as difference of squares because the polynomial can be simplified as sum of squares.

4. $24a^2-9a+9a+4$

Combine like terms

$24a^2+4$

$24a^2+(2)^2$

$24=2* 2* 3* 2$

24 is not a perfect square number because when factorize 24 then 2 and 3 are not paired.

Hence, the polynomial can not be simplified as difference of squares.

Describe the relationship between the two quantities.Amount of money earned; Number of hours worked
a. inverse
c. joint
b. direct
d. compound
Please select the best answer from the choices provided

Answers

Answer:

The answer is B.

Step-by-step explanation:

B is right because the amount of money you earn is based off of how many hours you have worked. If you work many hours your getting paid more.

What are the solutions to the quadratic equation 4x^2 = 64? A. x = −16 and x = 16
B. x = −8 and x = 8
C. x = −4 and x = 4
D. x = −2 and x = 2

Answers

Answer:

Step-by-step explanation:

Given

4x² = 64 ( divide both sides by 4 )

x² = 16 ( take the square root of both sides )

x = ± $√(16)$ = ± 4

Solutions are x = - 4 and x = 4 → C

How to write two hundred twenty five million,sixty thousand in number form

Answers

Answer:

225,060,000

Explanation:

1 million=1,000,000

2 hundred twenty five million=225*1 million=225,000,000

two hundred twenty five million,sixty thousand=225,000,000+60,000=225,060,000

Answer:

225,060,000.

Step-by-step explanation:

225 million = 225 * 1,000,000

= 225,000,000

This + 60,000

= 225,060,000.

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