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DIA [1.3K]
3 years ago
10

Plz help with number with 56. sorry for the shadow

Mathematics
2 answers:
cricket20 [7]3 years ago
8 0
15/7.5 = 2

This means that you need 2 cups of flour per tablespoon of cinnamon.

12/2 = 6

Alan and his grandpa will need 6tbsp of cinnamon.

This means that [A] is the correct answer



Y_Kistochka [10]3 years ago
4 0
B is the answer cause 15/2 = 3
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Complementary events must have a sum of 1.
Bas_tet [7]

This is a true statement.

Consider two events A and B. We say they are complementary if P(A)+P(B) = 1

This means that either event A or event B must happen, since the "1" represents 100% probability. Having a probability of 100% means absolute certainty.

---------

Example:

A = the event it rains

B = the event it does not rain

P(A) = 0.30 = 30% chance of rain

P(B) = 0.70 = 70% chance it does not rain

P(A)+P(B) = 0.30+0.70 = 1

So this shows the two events are complementary.

8 0
3 years ago
2a+3b=5<br> b=a-5 help please
diamong [38]

Answer:

2a + 3b = 5

b = a - 5

Step-by-step explanation:

2a + 3b = 5

b = a - 5

You can write this another way:

2a + 3(a-5) = 5 ( I added the second formula in the first one )

Now you gotta factor out:

2a + 3a - 15 = 5

Here im gonna do plus 15

2a + 3a = 20 ==> 5a = 20

Now if you divide by 5, you get: a = 4

Now you can fill in the second formula again

b = a - 5 (ill fill this in now)

b = 4 - 5 = -1

So, this makes:

a = 4 , b = -1

6 0
3 years ago
Read 2 more answers
Help pleasee<br> Qn is attached belowww <br> PLEASE HELPP
Simora [160]

Answer:

QR = 65.4 m

Step-by-step explanation:

a. Apply Law of Cosines to find QR:

p² = q² + r² - 2qr × Cos P

p = QR = ?

q = PR = 150 m

r = PQ = 120 m

P = 25°

Plug in the values

p² = 150² + 120² - (2)(150)(120) × Cos(25°)

p² = 22,500 + 14,400 - 36,000 × 0.9063

p² = 36,900 - 32,626.8

p² = 4,273.2

p = √4,273.2

p ≈ 65.4 m (nearest tenth)

QR = 65.4 m

7 0
3 years ago
2/5 ÷ -2/5 plzz answer 20 points​
Olegator [25]

Answer:

-0.04

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
[NO WRONG ANSWERS!!!]<br><br> What is the sum of the following equation?<br><br> 89x+5y+1x+5y
mixas84 [53]

Answer:

90x+10y

Step-by-step explanation:

Add 89 and 1

Add 5 and 5

90x+10y in this order

3 0
3 years ago
Read 2 more answers
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