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Maslowich
3 years ago
11

Maria washes the windows in her house every 2 tweaks, meows her lawn every 3 weeks, and trims her garden bushes every 5 weeks. T

his week Maria washed her windows, mowed her lawn and trimmed her garden bushes. In how many weeks will Maria do all 3 jobs again?
Mathematics
1 answer:
oee [108]3 years ago
4 0
In another 30 weeks, because 2x3x5=30 weeks where she does all of the activities.<span />
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Solve for n -3n-5=16
Nezavi [6.7K]

Answer:

n = -7

Step-by-step explanation:

Solve for n:

-3 n - 5 = 16

Hint: | Isolate terms with n to the left-hand side.

Add 5 to both sides:

(5 - 5) - 3 n = 5 + 16

Hint: | Look for the difference of two identical terms.

5 - 5 = 0:

-3 n = 16 + 5

Hint: | Evaluate 16 + 5.

16 + 5 = 21:

-3 n = 21

Hint: | Divide both sides by a constant to simplify the equation.

Divide both sides of -3 n = 21 by -3:

(-3 n)/(-3) = 21/(-3)

Hint: | Any nonzero number divided by itself is one.

(-3)/(-3) = 1:

n = 21/(-3)

Hint: | Reduce 21/(-3) to lowest terms. Start by finding the GCD of 21 and -3.

The gcd of 21 and -3 is 3, so 21/(-3) = (3×7)/(3 (-1)) = 3/3×7/(-1) = 7/(-1):

n = 7/(-1)

Hint: | Simplify the sign of 7/(-1).

Multiply numerator and denominator of 7/(-1) by -1:

Answer: n = -7

7 0
2 years ago
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If the biker is going at the same rate than in 3 hours he should go 34.8 miles
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3 years ago
liza is running at the beach, if she runs 13.25 miles each day, how many miles will she run in seven days?
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Answer:

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Step-by-step explanation:

13.25 mi/day times 7 days works out to 92.75 miles per 7 days.

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Answer:

<em><u>C. Multiply by the reciprocal</u></em>

<em><u>A. Use the phrase keep, change, flip, then solve</u></em><em><u>. </u></em>

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Answer:

b+54

Step-by-step explanation:

Since Jackie has 54 fewer beads than Sally, Sally has 54 more beads than Jackie. Since b is the number of beads that Jackie has, then Sally's beads would be 54 more than that thus it would be b+54.

4 0
3 years ago
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