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STatiana [176]
2 years ago
13

You will get 11 points IF YOU GET THIS RIGHT AND A BRAINLESS!!SO PLEASE HELP :D

Mathematics
1 answer:
astra-53 [7]2 years ago
8 0

Answer:

Maybe try 'A'..good luck

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PLEASE HELP I CANT CONTINUE WITH MY WORK UNLESS THESE ARE COMPLETE AND CORRECT
Snezhnost [94]

Answer:

1) x=3, y=-3

Step-by-step explanation:

10x + 7y = 9 —— (1)

-4x -7y = 9 —— (2)

(1) + (2)

6x = 18

x = 18/6

x = 3

put x=3 in (1)

10(3) + 7y = 9

30 + 7y = 9

7y = 9 - 30

7y = -21

y = -21/7

y = -3

please give me brainlist if it is helpful for you

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3 years ago
Giải pt sin(x^2-4x)=0
Ivenika [448]

Answer:

x=0,2half1?(I'm

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3 0
2 years ago
Entomologists estimate that an average person consumed almost a pound of bug parts each year. There are that many insect eggs, l
gregori [183]

Answer:

0.9797

Step-by-step explanation:

We have X = number of insects in the 25bgrams of butter

Then the legal limit of concentration in peanut butter = 30 fragments/ 100 grams

Then insect amount in 25 grams =

E(X) = 30/100 x 25

= 0.3 x 25

= 7.5 fragments of insects

Using the poisson function in Excel, the probability of at least 3 crunchy critters

1 - p(X<=2)

p(X<=2) = POISSON (2, 7.5, TRUE) = 0.020156715

1 - 0.020156715

= 0.9797

7 0
3 years ago
A salesperson at a jewelry store earns 4​% commission each week. Last​ week, Heidi sold $680 worth of jewelry. How much did make
Charra [1.4K]

Answer:

$27.2

Step-by-step explanation:

680x0.04=. 27.2

She made $27.2 last week

8 0
3 years ago
Choose the appropriate algebraic expression from the following verbal phrase: The quotient of y and the sum of x and 5.
bearhunter [10]
1/y + (x+5) Hope this helps!
3 0
3 years ago
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