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natima [27]
3 years ago
6

Pls helppppp brooooooooooooooooooooooooo

Mathematics
1 answer:
Shalnov [3]3 years ago
3 0

Answer:

Read the sentence below, which appears in the brochure “Nanotechnology: Big Things from a Tiny World.” As you read, look for context clues that could help you define any scientific terms.

Scientists have also developed sensors to measure pesticide levels in the field, allowing farmers to use less while still protecting their plants.

According to the context clues provided by the author, what is a pesticide?

Group of answer choices

Step-by-step explanation:

Read the sentence below, which appears in the brochure “Nanotechnology: Big Things from a Tiny World.” As you read, look for context clues that could help you define any scientific terms.

Scientists have also developed sensors to measure pesticide levels in the field, allowing farmers to use less while still protecting their plants.

According to the context clues provided by the author, what is a pesticide?

Group of answer choices

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Answer:

$1,800.

Step-by-step explanation:

15 x 15 = 225

225 x 8 = 1800

Feel free to let me know if you need more help! :)

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3 years ago
On a number line 6.64 would be located 
Dominik [7]

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yes

Step-by-step explanation:

7 0
3 years ago
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Alexa pays 7/20 of a dollar for each minute she uses her pay-as-you-go phone for a call, and 2/5 of a dollar for each minute of
9966 [12]

Answer:

  • The system of equations is x + y = 85 and 7/20x+2/5y=31
  • To eliminate the x-variable from the equations, you can multiply the equation with the fractions by 20 and multiply the other equation by -7.
  • B-She used 60 minutes for calling and 25 minutes for data.

Step-by-step explanation:

It is always a good idea to start by defining variables in such a problem. Here, we can let x represent the number of calling minutes, and y represent the number of data minutes. The the total number of minutes used is ...

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The total of charges is the sum of the products of charge per minute and minutes used:

  7/20x + 2/5y = 31.00

We can eliminate the x-variable in these equations by multiplying the first by -7 and the second by 20, then adding the result.

  -7(x +y) +20(7/20x +2/5y) = -7(85) +20(31)

  -7x -7y +7x +8y = -595 +620 . . . . eliminate parentheses

  y = 25 . . . . . . . . simplify

Then the value of x is

  x = 85 -y = 85 -25

  x = 60

7 0
3 years ago
Read 2 more answers
alex bought 2 dvd's for $28 each. and a dvd player for $85. He gave the cashier $150.00 how much change should alex heve receive
liraira [26]
The answer is $9

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150-141=$9

8 0
3 years ago
Graph the ordered pairs. 25 y 20 15 Total Time (min) 10 5 X 0 1 2 2 3 4 5 Number of Pages 2. Describe the pattern in the graph.​
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Answer:

When the Supreme Court rules on a constitutional issue, that judgment is virtually final; its decisions can be altered only by the rarely used procedure of constitutional amendment or by a new ruling of the Court. However, when the Court interprets a statute, new legislative action can be taken.

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2 years ago
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