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jek_recluse [69]
3 years ago
10

A student is painting a room at a constant rate. She is able to paint 2/5 of a room in 1/2 of an hour. How long does it take to

paint the whole room plssssssssss help
Mathematics
1 answer:
MrMuchimi3 years ago
7 0

Answer:

75 minutes

Step-by-step explanation:

if it takes 30 minutes to paint 2/5 of the room, then it must take 15 minutes to paint 1/5 of the room.

15 * 5 = 75 minutes or 5/4 hours

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kara opened a savings account with $8,000. she makes no changes to this account after 2 years. her account has a compound intere
olga_2 [115]

Answer:628384729

Step-by-step explanation:

One two three

7 0
2 years ago
Consider the sequence below
GalinKa [24]

Answer: option D is the correct answer

Step-by-step explanation:

In the given sequence, the consecutive terms differ by a common difference.

The formula for determining the nth term of an arithmetic sequence is expressed as

Tn = a + (n - 1)d

Where

a represents the first term of the sequence.

d represents the common difference.

n represents the number of terms in the sequence.

From the information given,

a = - 351

d = - 343 - - 351 = - 343 + 351

d = 8

Therefore, the explicit function which defines the sequence is

f(n) = - 351 + 8(n - 1)

f(n) = 8n - 8 - 351

f(n) = 8n - 359

5 0
3 years ago
Find the slope of (3,-1) and (1,5) <br> also find the slope of (-4, -5) and (-2, -5)
nikklg [1K]

Answer:

1.-3

2.0

Step-by-step explanation:

5-(-1)/1-3

6/-2

-3

-5-(-5)/-2-(-4)

0/-2+4

0/2

0

3 0
3 years ago
Read 2 more answers
What is the number 277,180 in expanded form
Mashcka [7]
200,000+ 70,000+ 7,000+ 100+ 80
5 0
3 years ago
Read 2 more answers
A person spends 1/5 of his salary on rent, 3/7 on food, 1/3 on other expenses and saves the rest. If she earns $21,000 per month
sukhopar [10]

Answer:

$9600 saving / year

Step-by-step explanation:

1/5 of $21000 = 21000 / 5 = $4200 / month on rent

3/7 of $21000 = (21000 / 7) x 3 = $9000 / month on food (shocking right :) food is expensive)

1/3 of $21000 = 21000 / 3 = $7000 on other expenses / month

total savings/month = salary/month - rent/month - food/month - other expenses/month

total savings/month = 21000 - 4200 - 9000 - 7000

total savings/month = $800

<u><em>BUT</em></u> the question asks for savings per year. therefore, we must multiply the savings per month by total months per year (12)

800 x 12 = $9600

the person's total savings per year, with a salary of $21000 per month, is equal to $9600 per year

3 0
1 year ago
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