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elena-14-01-66 [18.8K]
3 years ago
7

What is the value of 30-2(7+2)-1​

Mathematics
1 answer:
Maru [420]3 years ago
4 0

Answer:

48 :)

Step-by-step explanation:

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Madeline wants to buy a camera for $200 dollars. Her weekly allowance is $15. If she saves $10 each week toward the cost of the
svetlana [45]

Answer:

14 weeks.

Step-by-step explanation:

15x-10=200

add 10 to both sides

15x= 210

divide by 15

x=14 .

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3 years ago
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What is the value of x?<br><br> 6x=72<br><br> show how you got the answer
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Step-by-step explanation:

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Find the distance between the points (-8, -2) and (6,-1). Round your answer to the nearest hundredth.
vitfil [10]

Answer:

distance is 14.04

Step-by-step explanation:

the distance between 2 points is the Hypotenuse of the right angled triangle of the x and y coordinate differences.

we use Pythagoras

c² = a² + b²

c = the Hypotenuse (the side of the triangle opposite to the 90 degree angle).

the x difference

-8 - 6 = -14

the y difference

-2 - -1 = -1

c² = -14² + -1² = 196 + 1 = 197

c = sqrt(197) = 14.04

7 0
3 years ago
(3.1 x 10^5) (.00000432)​
Ber [7]

Answer:

13.392

Step-by-step explanation:

(3.1×1000000)(.00000432)

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3 years ago
A survey determined that 5/18 of the seventh grade students at Mills Middle School preferred round chocolate candies to hard can
Fudgin [204]

Answer:

The correct answer is B) 1/9

Step-by-step explanation:

In order to find this answer, you need to take the fraction that answered it on the first try and subtract the number that changed their mind.

5/18 - 1/6

In order to complete this operation, you need to give them common denominators.

5/18 - 3/18 = 2/18

And we can simplify that answer.

2/18 = 1/9

4 0
3 years ago
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