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VMariaS [17]
3 years ago
11

Jane finished a race in 7 minutes. How many seconds is this.

Mathematics
2 answers:
Serggg [28]3 years ago
7 0

Answer:

420 seconds

Step-by-step explanation:

(60 seconds in a minute, 60 x 7 = 420)

#Nova

Murljashka [212]3 years ago
4 0

Answer:

420 seconds

Step-by-step explanation:

There are 60 seconds in a minute, since there are 7 minutes, all we need to do is multiply the minutes by seconds.

60 × 7 = 420

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Khan Academy btw
Irina-Kira [14]

Answer:

B and D

Step-by-step explanation:

\frac{2^{5} }{6^{5} } = (\frac{1}{3} )^{5}

\frac{2^{5} }{6^{5} } = 2^{5}*6^{-5}

3 0
2 years ago
One-half of the sum of a number and 6 is less than 25. What is the number
Leno4ka [110]

Answer:

44

Step-by-step explanation:

1/2(n + 6) < 25         Distribute

1/2n + 3 < 25

       - 3     - 3           Subtract 3 from both sides

1/2n < 22                  Multiply both sides by 2 or divide by 1/2

n < 44

If this answer is correct, please make me Brainliest!

4 0
3 years ago
Find x3 − 2y2 − 3x3 + z4 if x = 3, y = 5, and z = −3.
Law Incorporation [45]

Answer:

= - 7+z

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Solve for x: k=3x+2/x-1
Anna11 [10]

Answer:

x = (2+k)/(k-3)

Step-by-step explanation:

k = (3x +2)/(x-1)

First just multiply both sides by (x-1)

(x-1)k = 3x+2

kx - k = 3x+2

Add k both sides and Subtract 3x both sides to get:

kx - 3x = 2+k

Take x out since it's common

x(k-3) = 2+k

Multiply both sides by (k-3)

x = (2+k)/(k-3)

Hope this helps!

3 0
3 years ago
Charles is cooking enough lentils for lentil barley soup and lentil salad. The soup recipe calls for 3/4 cup of dried lentils. T
zvonat [6]

Answer:

18 scoops is the correct answer

Step-by-step explanation:

3/4 can also be written as 6/8 (multiply both 3 and 4 by 2)

and 1 1/2 is actually 3/2 which can be written as 12/8 (multiply both 3 and 2 by 4)

thus total lentils required is 6/8 + 12/8 = 18/8 cups.

with scoop size 1/8 cup you'll need 18 scoops .

8 0
3 years ago
Read 2 more answers
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