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Svetllana [295]
4 years ago
6

Choose the solutions to the two equation system.6.0 + 3y = 3015+ y = 7​

Mathematics
1 answer:
zloy xaker [14]4 years ago
3 0

Answer:

y= -8 or 8

Step-by-step explanation

30-6= 24

24/3=8

y=8

15+y=7

y=-8

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Which are equivalent expressions?
just olya [345]

❥\Large\pmb{ \underline {\tt Answer}}

#1

a + b • 3 = 3a + 3b

No

Actual equation formed:-

a + 3b = 3a + 3b

#2

  • (a + 3b)3 = 3a + 9b

Yes

#3

a + b • 3 = a + 3b

Yes

#4

a + 3b • 3= 3a + 6b

No

Actual equation formed:-

a + 9b

#5

a + 3b • 3 = a + 9b

Yes

Rule applies:-

BODMAS

B - brakets

O - on/off

D- divide

M - multiply

A - add

S - subtract

<u>━━━━━━━━━━━━━━━━━━</u>

8 0
2 years ago
Read 2 more answers
Samples of rejuvenated mitochondria are mutated (defective) with probability 0.11. Find the probability you need to examine at l
joja [24]

Answer:

The probability that more than 6 samples are needed to have 2 mutations is P=0.866.

Step-by-step explanation:

This question can be analized with the binomial distribution.

We need to calculate the probability that more of 6 samples are needed to have 2 samples with mutations.

This is equal to the proability of taking 2 samples and getting one mutation or less.

Then we have a binomial distribution with n=6 and p=0.11:

P(X\leq1)=P(0)+P(1)\\\\P(X\leq 1)=(1-p)^6+6p(1-p)^5\\\\P(X\leq 1)=0.89^6+6*0.11*0.89^5=0.497+0.369=0.866

3 0
3 years ago
What is -3(5+5)&gt;5x?​
VMariaS [17]

Answer:

The answer is x < -6

hope that helps

-3(5+5)>5x

-15+-15>5x

-30>5x

5x<-30

Divide both side by 5

5x÷5 < -30÷5

x<-6

8 0
3 years ago
Read 2 more answers
The hypotenuse of a right triangle is 89 meters long. One leg of the triangle is 39 meters long. What is the length of the other
Hitman42 [59]
A²+b²=c²
39²+b²=89²
1521+b²=7921
subtract 1521 from both sides
b²=6400
so then you square both sides
√6400
80
4 0
4 years ago
297,060 + 0.0004839 =<br><br> Answer in Scientific Notation
EleoNora [17]

Answer:

2.970600004839 × 10^5

Step-by-step explanation:

First, we add up these 2 numbers.

297,060 + 0.0004839 = 297060.0004839

Then, we convert that into scientific notation.

297060.0004839 = 2.970600004839 × 10^5

Finally, we check if it's right.

10^5 = 100000

2.970600004839 * 100000 = 297060.0004839

Hope this helps.

4 0
3 years ago
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