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mart [117]
3 years ago
5

How do I solve writing systems of equations in Algebra 1?

Mathematics
1 answer:
melisa1 [442]3 years ago
7 0
Let books =x and games =y
2x+2y=26
4x+1y=28

If you solve for x and y, x=5 and y=8
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The domain of the following relation: R: {(−3, 4), (5, 0), (1, 5), (2, 8), (5, 10)} is:
Shalnov [3]

Answer:

For an ordered pair (x,y) that a set contain :

x = Domain of the relation

y = Range of the relation

In a relation x can have two or more than two ranges i.e a x can have more or more than two images.

So, Domain = First element of ordered pair that the following relation R contains ={(−3, 4), (5, 0), (1, 5), (2, 8), (5, 10)}= -3, 5, 1,2,5

But the element 5 is Occuring twice.

Domain = { -3,1,2,5} →→Option A

3 0
3 years ago
Read 2 more answers
Write the equation of a line that is perpendicular to y=3x-2 that passes trough the point (-9,5)
ElenaW [278]

\huge\boxed{y-5&=-\frac{1}{3}(x+9)}

First, we'll find the slope of the new line. The first line has a slope of 3. Take the negative reciprocal of this (Flip the numerator and denominator, then multiply by -1) to get -\frac{1}{3} for the new slope.

Then, we'll use the point-slope form to make the new equation, where m is the slope and (x_1,y_1) is a point on the line:

\begin{aligned}y-y_1&=m(x-x_1)\\y-5&=-\frac{1}{3}(x-(-9))\\y-5&=-\frac{1}{3}(x+9)\end{aligned}

3 0
2 years ago
Read 2 more answers
How many times can 41 go into 328
Brums [2.3K]
Divide. 328 ÷ 41 = 8
6 0
3 years ago
Read 2 more answers
Three flavors of juice are offered at a school cafeteria The table shows the number of students who purchased each flavor during
Ilya [14]

Answer:  A. 0.2

Step-by-step explanation:

Probability for any event = \dfrac{\text{Favorable outcomes for event}}{\text{Total possible outcomes}}

Three flavors of juice are offered at a school cafeteria.

The given table:

Orange Grape   Cherry

51             30              69

Total juices = 51+30+69 =150

Now, the probability that a student who bought juice chosen at random purchased the grape flavor= \dfrac{\text{Number of grape juices}}{\text{Total juices}}

=\dfrac{30}{150}=0.2

Hence, the correct option is A.

6 0
3 years ago
Can you help me on this.
jeka57 [31]

Answer:

x=3

Step-by-step explanation:

6                   10

---------- = ------------

6+x             15


using cross products

6 * 15  = 10 * (6+x)

90 = 60+10x

subtract 60 from each side

90-60 = 60+10x-60

30 = 10x

divide by 10

30/10 = 10x/10

3=x


4 0
3 years ago
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