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Cloud [144]
3 years ago
13

I need the answer ASAP

Mathematics
1 answer:
liubo4ka [24]3 years ago
5 0

Answer:

b. 100 - 2³ * 5 = 60

Step-by-step explanation:

a. (1 + 4)² * 3 - 10 = 40

b. 100 - 2³ * 5 = 60

c. 4 * 6² - 4³ = 80

d. 15 * 2 + 6² - 7 * 3 = 45

You might be interested in
A candidate for mayor wants to know how strong her support is among voters, so she posts an online survey on her campaign websit
maks197457 [2]
1) A. Biased because the population could be uneven. Too many of one ethnicity, too many of one gender, etc. 

2) I believe this one is C. because there are not enough people. You need to survey the majority of parents instead of a selected few. 

3) There are 80 green marbles per 500, therefore calculate the percentage. \frac{80}{500}=0.16 or 16 percent. Multiply 16 percent or 0.16 times 25. It gives you 4.

4) This one is a probability thing too. For every 500 batteries, there are 3 that are defective, therefore, \frac{3}{500}= 0.006. 

0.006*12000 = 72

5) Yet another one. Add up all the nuts and you get 48. The chance of getting a cashew from these 48 is: \frac{9}{48}=0.1875. 

Therefore: 0.1875*32=6
3 0
3 years ago
What is the correct answer
krek1111 [17]

Answer:

3x - 9 - (6 / (x+4))

Step-by-step explanation:

               3x - 9

              |----------------------------------------

(x +4)       | (3x^2 + 3x - 42 )

                 3x^2 + 12x

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

                          -9x - 42

                          -9x - 36

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

                                 - 6

Answer: 3x - 9 - (6 / (x+4))

8 0
3 years ago
Read 2 more answers
Anybody can help?????
Vikentia [17]

The formula of an area of a circle:

A=\pi r^2

r - a radius

We have r = 14m. Substitute:

A=\pi\cdot14^2=196\pi\ m^2

If you want an approximate area, you can accept \pi\approx3.14

Then:

A\approx196\cdot3.14=615.44\ m^2

7 0
3 years ago
Use any method to multiply (3a + 2b - c)(a - b + 2c).​
Alla [95]

Answer: 3a^{2}-ab + 5ac- 2b^{2} + 5bc-2c^{2}

Step-by-step explanation:

(3a + 2b − c) (a − b + 2c)  

Expand (3a + 2b − c) (a − b + 2c) by multiplying each  term in the first  expression by each  term in the second expression.

3a ⋅ a + 3a (−b) + 3a (2c) + 2ba + 2b (−b) + 2b (2c) − ca − c (−b) − c (2c)

3 (a ⋅ a) + 3a (−b) + 3a (2c) + 2ba + 2b (−b) + 2b (2c) − ca − c (−b) − c (2c)

3a^2 + 3a (−b) + 3a (2c) + 2ba + 2b (−b) + 2b (2c) − ca − c (−b) − c (2c)

Rewrite using the commutative property of multiplication.

3a^2 + 3 ⋅ −1ab + 3a (2c) + 2ba + 2b (−b) + 2b (2c) − ca − c (−b) − c (2c)

3a^2 − 3ab + 3a (2c) + 2ba + 2b (−b) + 2b (2c) − ca − c (−b) − c (2c)

Rewrite using the commutative property of multiplication.

3a^2 − 3ab + 3 ⋅ 2ac + 2ba + 2b (−b) + 2b (2c) − ca − c (−b) − c (2c)

3a^2 − 3ab + 6ac + 2ba + 2b (−b) + 2b (2c) − ca − c (−b) − c (2c)

Rewrite using the commutative property of multiplication.

3a^2 − 3ab + 6ac + 2ba + 2 ⋅ −1b ⋅ b + 2b (2c) − ca − c (−b) − c (2c)

3a^2 − 3ab + 6ac + 2ba + 2 ⋅ −1 (b ⋅ b) + 2b (2c) − ca − c (−b) − c (2c)

3a^2 − 3ab + 6ac + 2ba + 2 ⋅ −1b^2 + 2b (2c) − ca − c (−b) − c (2c)

3a^2 − 3ab + 6ac + 2ba − 2b^2 + 2b (2c) − ca − c (−b) − c (2c)

Rewrite using the commutative property of multiplication.

3a^2 − 3ab + 6ac + 2ba − 2b^2 + 2 ⋅ 2bc − ca − c (−b) − c (2c)

3a^2 − 3ab + 6ac + 2ba − 2b^2 + 4bc − ca − c (−b) − c (2c)

Rewrite using the commutative property of multiplication.

3a^2 − 3ab + 6ac + 2ba − 2b^2 + 4bc − ca − 1 ⋅ −1cb − c (2c)

3a^2 − 3ab + 6ac + 2ba − 2b^2 + 4bc − ca + 1cb − c (2c)

3a^2 − 3ab + 6ac + 2ba − 2b^2 + 4bc − ca + cb − c (2c)

Rewrite using the commutative property of multiplication.

3a^2 − 3ab + 6ac + 2ba − 2b^2 + 4bc − ca + cb − 1 ⋅ 2c ⋅ c

3a^2 − 3ab + 6ac + 2ba − 2b^2 + 4bc − ca + cb − 1 ⋅ 2 (c ⋅ c)

3a^2 − 3ab + 6ac + 2ba − 2b^2 + 4bc − ca + cb − 1 ⋅ 2c^2

3a^2 − 3ab + 6ac + 2ba − 2b^2 + 4bc − ca + cb − 2c^2

3a^2 − 3ab + 2ab + 6ac − 2b^2 + 4bc − ca + cb − 2c^2

3a^2 − ab + 6ac − 2b^2 + 4bc − ca + cb − 2c^2

3a^2 − ab − 2b^2 + 4bc + 6ac − 1ac + cb − 2c^2

3a^2 − ab − 2b^2 + 4bc + 5ac + cb − 2c^2

3a^2 − ab − 2b^2 + 4bc + bc + 5ac − 2c^2

3a^2 − ab − 2b^2 + 5bc + 5ac − 2c^2

3a^2 − ab − 2b^2 + 5ac + 5bc − 2c^2

3a^2 − ab + 5ac − 2b^2 + 5bc − 2c^2

6 0
2 years ago
The maximum weight for a truck in Oregon without a special permit is 40 tons what is the greatest number of pounds what is the g
Nimfa-mama [501]

Answer:

80,000lbs

Step-by-step explanation:

40 tons = 80000lbs

8 0
2 years ago
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