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3 years ago

BRAINLIST AND 40 POINTS PLEASE HELP ASAP NO ONE IS HELPING:(

Mathematics

1 answer:

stepladder [879]3 years ago

3 0

Answer:

for #1 its B : output = input x5

and for #2 its C : output= input x2 +5

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What is the solution of the system of equations?

Elis [28]

Answer:

The answer to your question is:

x = 4

y = -1

z = -3

Step-by-step explanation:

3 x + 2 y + z = 7

5 x + 5 y + 4 z = 3

3 x + 2 y + 3 z = 1

$\left[\begin{array}{ccc}3&2&1\\5&5&4\\3&2&3\end{array}\right]$

= 45 + 10 + 24 - (30 + 24 + 15)

= 79 - 69

Δ = 10

$\left[\begin{array}{ccc}7&2&1\\3&5&4\\1&2&3\end{array}\right]$

= 105 + 6 + 8 - (18 + 56 + 5)

= 119 - 79

Δx = 40

$\left[\begin{array}{ccc}3&7&1\\5&3&4\\3&1&3\end{array}\right]$

= 27 + 5 + 84 - ( 105 + 12 + 9)

= 116 - 126

Δy = -10

$\left[\begin{array}{ccc}3&2&7\\5&5&3\\3&2&1\end{array}\right]$

= 15 + 70 + 18 - (10 + 18 + 105)

= 103 - 133

= -30

Δz = -30

x = Δx /Δ = 40/10 = 4

y = Δy/Δ = -10/10 = -1

z = Δz/Δ = -30/10 = -3

8 0

3 years ago

Read 2 more answers

63a-42b Please help!

Gennadij [26K]

21(3a-2b) hope this help !
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3 years ago

You are a restaurant manager and are responsible for ordering ingredients for the restaurant. At Supplier #1, you can purchase 2

Alisiya [41]

S1=$70/20gal=$3.50 per gallon

s2=$33.50/(50/4)gal=$2.68 per gallon

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3 years ago

PLZZZZZZ HELPP I WILL GIVE BRAINLY

Ray Of Light [21]

Answer: 7,5

Step-by-step explanation:

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2 years ago

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If it takes Andre 4 minutes to swim five laps how much will it take him to swim 22 laps at the same speed

Musya8 [376]

Answer:

17.6 minutes

Step-by-step explanation:

$\frac{4}{5} = \frac{x}{22}$

$5x=22$

$x=\frac{22}{5}$

$4(\frac{22}{5} ) = \frac{88}{5} = 17.6$

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2 years ago