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ziro4ka [17]
3 years ago
13

André solves the following system of equations by elimination.

Mathematics
2 answers:
Vaselesa [24]3 years ago
8 0
Although the question is incomplete, I have seen it before.

The equations are:
3a + 6b = 12
-3a + 6b = -12

Adding the equations, we get:

12b = 0
And b = 0
g100num [7]3 years ago
3 0

This is correct on e2020

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If there are $0.90 (US) to €1.00 how many euro would u get for $9.00 (US) ?
mart [117]
\frac{.9}{1} = \frac{9}{x}    Solve for x.

.9x=9*1    Divide both sides by .9

x=\frac{9}{.9}=10

You would get 10.00 euros.

You can also think of it in this way, that you just move the decimal point over one to the left to get 10.
3 0
3 years ago
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Which of the following functions has a graph in which the vertex and axis of symmetry are to the left of the vertex and axis of
Molodets [167]

Answer:

B, E and F.

Step-by-step explanation:

The transformation f(x) ------> f(x + a) moves f(x) a units to the left.

So when there is an increase in the number added to x in the parentheses the graph moves to the left.

So B is one because  of the (x  - 1)2 ---> (x + 1)2

The others are E and F.

4 0
3 years ago
Use properties of operations to write an equivalent expression by combining like terms.
bearhunter [10]

Answer:

16+4p mark brainliest its correct

Step-by-step explanation:

8 0
2 years ago
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Suppose S and T are mutually exclusive events. Find P(S or T)? sp(S) = 6/11 and p(t)= 1/10
Sholpan [36]
Using P(A∪B) = P(A) + P (B) - P(A∩B) 
If we apply this in the question 
Then P(S∪T) = P(S) + P(T) - P (S∩T)
                      = 6/11 + 1/10 - P (S∩T)
                      = 71/110 - P (S∩T)
But events S and T are mutually exclusive events therefore, 
P(S∩T) = 0,
Hence P(S∪T) = 71/110
3 0
3 years ago
A bag contains 5 red marbles, 10 blue marbles, and 14 yellow marbles. If Jen selects a marble from the bag without looking, what
Darina [25.2K]

Answer:

The answer to your question is  0.83 or 83%

Step-by-step explanation:

Data

5 red marbles

10 blue marbles

14 yellow marbles

Process

1.- Calculate the total amount of marbles

    Total amount = 5 red + 10 blue + 14 yellow

     Total amount = 29 marbles

2.- Calculate the amount of marbles that are not red

     No red marbles = 10 + 14

                                = 24 marbles

3.- Calculate the probability

Probability of not pulling a red marble = \frac{no red marble}{total amount of marbles}

Probability of not pulling a red marble = \frac{24}{29} = 0.83 or 83%

5 0
3 years ago
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