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Vitek1552 [10]
3 years ago
10

Is 5x+2x-3=-3x+10x an identity or has no solution.

Mathematics
1 answer:
Svetach [21]3 years ago
4 0
This equation doesn't have solution because is = to 0=3 
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(-11)-((-7)+5<br> help me solve please !!
nekit [7.7K]

Answer:

1 or -9, depends on the problem, see below.

Step-by-step explanation:

-11--7+5

Two negatives make a positive so our new equation is:

-11+7+5

-11+7 is -4, so:

-4+5

And this leaves us with:

1

But I saw there was a parentheses, was it misplaced or was one not added? If one was not ended to the end, then the answer would be different.

(-11)-((-7)+5)

-7+5 is negative 2, so:

-11-(-2)

Once again, two negatives make a positive, so our new equation would be:

-11+2

Which gets us:

-9

6 0
3 years ago
A chocolate company makes dark chocolate bars. The quality control department of the company has found that the weights of the c
devlian [24]
D and e i’m pretty sure :)
3 0
3 years ago
Read 2 more answers
What type of slope is demonstrated by the line below?<br> (-1,3)<br> (0, -2)
hodyreva [135]
The slope is negative because the first y-value is 3 and then the second y-value is -2 which would make the slope negative.
4 0
3 years ago
This is to do with independant events &amp; probability trees
zloy xaker [14]

Answer: The probability of getting two red marbles is P = 0.141

Step-by-step explanation:

We know that in the bag there are 3 blue marbles and 5 red marbles, then there is a total of 8 marbles in the bag.

The probability of taking at random a red marble is equal to the quotient between the number of red marbles and the total number of marbles, this is:

p = 3/8

Suppose we got a red marble:

Now we replace the red marble we took, so in the bag there are again 3 red marbles and 8 total marbles, then the probability of getting another red marble is again:

q = 3/8

The joint probability (this is, the probability of both events happening) is equal to the product of the individual probabilities, with gives us:

P = p*q = (3/8)*(3/8) = 9/64 = 0.141

6 0
3 years ago
Use the figure below list the sides least to greatest of triangle PRQ.
zimovet [89]

Answer:

Hence third choice RQ, RP, PQ is correct.

Step-by-step explanation:

We know that if A, B, C are the angles of the triangle and if ∠A > ∠B

a>b   {Where “a” is side created by angle A and “b” is side created by angle B }.

We will use same property to decide which side is bigger.

In triangle PRQ,

∠P = 30 degree

∠R = 85 degree

then ∠P + ∠R + ∠Q = 180 {since sum of all three angle of triangle is 180 degree}

30 + 85 + ∠Q = 180

115 + ∠Q = 180

∠Q = 180 - 115

∠Q = 65

Now we know measure of all angles so we can do comparison using above property.

Smallest angle is ∠P so side RQ will be smallest.

Largest angle is ∠R so side PQ will be largest.

Hence we get RQ < RP < PQ.

Hence third choice RQ, RP, PQ is correct.

6 0
3 years ago
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