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balandron [24]
3 years ago
12

Chris is on vacation at a lake house for the

Mathematics
1 answer:
Leto [7]3 years ago
5 0

Answer:

h=5

Step-by-step explanation:

10+38h=200

-10 -10

38h=190

divide 38 from each side

h=5

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PLEASE HELP!!!!!!!
ExtremeBDS [4]

1+3+6=10

40=10 units

diidde by 10

4=1unit

4 times 1=4

4 times 3=12

4 times 6=24

they paid $4, $12 and $2

4 0
3 years ago
Read 2 more answers
(8,72);y=x divided by 9
alexandr1967 [171]

Answer:

6800

Step-by-step explanation:

6 0
3 years ago
John and Ariana bought school supplies, John spent $10.65 on 4 notebooks and 5 pens. Ariana spent $7.50 on 3 notebooks and 3 pen
timurjin [86]

Cost of 1 notebook is $ 1.85 and cost of 1 pen is $ 0.65

<h3><u>Solution:</u></h3>

Let "a" be the cost of 1 notebook

Let "b" be the cost of 1 pen

Given that John spent $10.65 on 4 notebooks and 5 pens

cost of 1 notebook x 4 + cost of 1 pen x 5 = 10.65

4a + 5b = 10.65 ------ eqn 1

Given that Ariana spent $7.50 on 3 notebooks and 3 pens

3a + 3b = 7.50 ----- eqn 2

Let us solve eqn 1 and eqn 2 to get the values of "a" and "b"

Multiply eqn 1 with 3

12a + 15b = 31.95  ---- eqn 3

Multiply eqn 2 with 4

12a + 12b = 30 ------ eqn 4

Subtract eqn 4 from eqn 3

12a + 15b = 31.95

12a + 12b = 30

(-) ---------------------

3b = 1.95

b = 0.65

Substitute b = 0.65 in eqn 1

4a + 5(0.65) = 10.65

4a = 7.4

a = 1.85

Thus cost of 1 notebook is $ 1.85 and cost of 1 pen is $ 0.65

8 0
3 years ago
A state vector X for a four-state Markov chain is such that the system is four times as likely to be in state 2 as in 4, is not
Marizza181 [45]
All the components in the state vector need to sum to 1. You're given that component corresponding to state 1 is 0.2, and that the component for state 3 is 0.

That leaves states 2 and 4, for which you're told that the component for state 2 is four times as large. If x_i is the component for state i, then you have

x_1+x_2+x_3+x_4=1\iff 0.2+4x_4+0+x_4=1\implies5x_4=0.8\implies x_4=0.16

which means x_2=4x_4=0.64. So the state vector is \mathbf x=(0.2,0.64,0,0.16).
4 0
3 years ago
What is the area of this figure?
Pachacha [2.7K]
(24*11)+(14*14)+(7*14)+(8*12)=654
I think that this is the answer!
7 0
3 years ago
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