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bekas [8.4K]
3 years ago
8

Help Needed!!!!!

Mathematics
1 answer:
Fantom [35]3 years ago
4 0

,Answer:

h

Step-by-step explanation:

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All of the members of our spray-painting team paint at the same speed. If 20 team members can paint a 4800 square foot wall in 3
KATRIN_1 [288]

Answer:

It takes 70 minutes for 9 team members (painting 60 sq ft per minute) to paint a 4200 sq ft wall.

Step-by-step explanation:

4800 ÷ 20 = 240 sq ft per team member in 36 minutes

240 ÷ 36 = 6.67 sq ft per team member in 1 minute

6.67 × 9 = 60 sq ft per 9 team members in 1 minute

4200 ÷ 60 = 70 minutes (or 1 hour and 10 minutes)

3 0
3 years ago
During the national day celebrations.Asha decorates her balcony with serial lights of red,green and white colours.The red light
expeople1 [14]

If all three coloured lights blink together at 8:49 pm, they will blink together at 8:50 pm

<u>Solution:</u>

Given that the red light blinks at intervals of 4 seconds, the green at 5 seconds and the white at 6 seconds.

If all three colored lights blink together at 8:49 pm,

We have to find when will they blink together again?

First let us know, at what intervals they all together blink.

For that we have to find the lcm of 4, 5, 6.

L.C.M (4, 5, 6) = 2 x L.C.M(2, 5, 3)

As 2,3,5 are primes, we can’t take common further, so multiply all  

= 2 x 2 x 5 x 3

= 4 x 15  = 60

So, after every 60 seconds = 1 minute they will blink.

Then, after 8 : 49 pm, they will blink at 8 : 49 + 1 = 8 : 50 pm.

Hence, they all blink at 8 : 50 pm.

6 0
3 years ago
What equation is equivalent to the equation 9x - 13 = 4x + 32
Zigmanuir [339]
I’m guessing if you simplify this it’s gonna be x=6
8 0
2 years ago
Translate the word phrase into a math expression. 15 fewer than the product of 4 and a number.
Norma-Jean [14]
Fewer indicates subtraction and product means multiplication.

4n - 15
3 0
3 years ago
Read 2 more answers
What’s the answer to this problem???
Snowcat [4.5K]
Rewrite the equation into slope intercept form:
8y = -5x+16

divide everything by 8 to get just y
y = -5/8x+2

 the slope = -5/8
8 0
3 years ago
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