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suter [353]
3 years ago
11

What is the slope of the situation?

Mathematics
2 answers:
Marina86 [1]3 years ago
6 0

Answer: 4.2

Step-by-step explanation:

Everytime the x goes up 1, the height goes up 4.2

timofeeve [1]3 years ago
3 0

Answer:

The slope is 4.2 cm per week

Step-by-step explanation:

Take the difference in time and divide by the difference in time

m = (y2-y1)/(x2-x1)

   = (20.4-16.2)/(2-1)

  =4.2/1

The slope is 4.2 cm per week

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How to factorise x2+x+1 ​
Arisa [49]

Answer:

x2- 2x+1 =x2-x-x+1

=x(x-1) -1(x-1)

=(x-1)(x-1)

We need to keep it this way as this is the simplest way of expressing its factors.

-1

7 0
2 years ago
A real estate agent has 8 master keys to open several new homes. Only 1 master key will open any given house. If 40% of these ho
riadik2000 [5.3K]

Answer:

Step-by-step explanation:

Suppose F represents the value that a room is unlocked.

Then, we can assume that the probability of unlocked homes is:

P(unlocked homes) = P(U)

P(unlocked homes) = 40%

P(unlocked homes) = 0.40

Also, let us represent the value of the locked room with G.

P(locked homes) = P(G)

P(locked homes) = (1 - 0.40)

P(locked homes) = 0.60

Let the probability of selecting a correct key be P(S)

It implies that for the agent to use 3 keys, we have a combination of ^8C_3 possible ways for the set of keys.

Now; since only one will open the house, then:

P(select correct key) = P(S)

P(S) = \dfrac{ (^1_1) (^7_2)   }{   ^8_3 }

P(S) = \dfrac{21}{56}

P(S) = 0.375

Finally, for the real estate agent to have access to specific homes supposing the agent select three master keys at random prior to the time he left his office, Then:

P(F ∪ (G∩S) = P(F) + P(G∩S)

P(F ∪ (G∩S) = P(F) + P(G) × P(S)

P(F ∪ (G∩S) = 0.40 + (0.60×0.375)

P(F ∪ (G∩S) = 0.40 + 0.225

P(F ∪ (G∩S) =0.625

5 0
2 years ago
Please solve 1,2,3,4,5,6,13,14,18 and 21
Volgvan
O.o that so hard but my big sister know how to do it
5 0
3 years ago
Read 2 more answers
The multiplication property of equality could be used to solve which of the following equations
disa [49]

Answer:

The Multiplication Property of Equality states that if you multiply both sides of an equation by the same number, the sides remain equal.

Step-by-step explanation:

so for example if a=b then a x c=b x c

because your doing the same thing to both sides.

6 0
2 years ago
Please help with solving this
gizmo_the_mogwai [7]

Answer:

x=-7

Step-by-step explanation:

5x-2x+1=3x-6-x first combine like terms

3x+1=2x-6     combine like terms by subtracting 2x from both sides

x+1=-6           subtract 1 from both sides

x=-7

4 0
3 years ago
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