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Veseljchak [2.6K]
3 years ago
15

Help please...................

Mathematics
1 answer:
ryzh [129]3 years ago
8 0

Answer:

T

Step-by-step explanation:

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Simplify each expression<br> 1) 5n(2n + 1) +48 - 6n)
Butoxors [25]
Distribute the 5n to inside the parenthesis 10n+5n+48-6n
——10+5-6=9
9n+48
7 0
4 years ago
A fair coin is tossed six times and the sequence of heads and tails is recorded. What is the probability that the sequence conta
stealth61 [152]

Answer:

1/3

Step-by-step explanation:

you take the probability divide by the tossing times

4 0
3 years ago
Which value of b results in infinitely many solutions for the system?
Tanya [424]

Answer: 3

Step-by-step explanation:

I just finished the test and this was the answer I put and it was right.

9x+6y=b

6y=b-9x

y=b/6 -9/6x

y=b/6-3x/2

y= -3x/2 +b/6

3x + 2y = 1

2y = 1 - 3x

y = 1/2 -3/2x

y = -3/2x + 1/2

b/6=1/2

b=3

3 0
3 years ago
What is the weight, in Newtons, of a person on Earth whose mass is 90 kilograms? Gravity near the Earth's surface is 9.8 m/s2.
valentinak56 [21]

Answer:

W = 882 N

Step-by-step explanation:

Given that,

The weight of a person, W = 90 kg

The value of acceleration due to gravity, g = 9.8 m/s²

We need to find the weight of the person on Earth. The formula for the weight of an object is given by :

W = mg

Substitute all the values,

W = 90 kg × 9.8 m/s²

W = 882 N

So, the weight of the person is equal to 882 N.

8 0
3 years ago
Square GKJH and G'K'J'H' where GK=2(G'K'). If GK=15x+12 and G'K'=8x, determine the perimeter of both squares.
ss7ja [257]
The answer is 124 cm
<span>http://www.gktoday.in/aptitude/the-perimeter-of-five-squares-are-24-cm-32-cm-40-cm-76-cm-and-80-cm-r...</span>
3 0
3 years ago
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