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Paul [167]
3 years ago
12

What is y when 4x + y = 10

Mathematics
2 answers:
ANTONII [103]3 years ago
7 0

Answer:

x= 4

y=-6

Step-by-step explanation:

SIZIF [17.4K]3 years ago
4 0
Y= -4x +10 because you take the 4x and subtract it from both sides and you get y= -4x +10. 
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8x+2(3x-12)=-122<br> Find the value for x. I'm so bad at this kind of thing plz I need help
vampirchik [111]

Answer: x=-7

Step-by-step explanation:

1. distribute the 2 to (3x-12) >>>> 8x+6x-24=-122

2. add 8x and 6x to get 14x >>>> 14x-24=-122

3. add 24 to both sides>>>> 14x=-98

4. divide 14 by both sides>>>x=-7

6 0
3 years ago
Find the value of x in the triangle shown below.<br> x =<br> 98°<br> 27°
Levart [38]

Answer: 55

Step-by-step explanation: There is one simple theorem we need to know in order to solve for this.

Triangle Angle-Sum Property: All three angles interior angles of a triangle add up to 180°.

Thus, we could label the points A, B, and C, and set up an algebraic expression.

Let A = 27, B = 98, and C = x.

A + B + C = 180°.

Substituting A, B, and C we get:

27 + 98 + x = 180°.

Adding, we get:

125 + x = 180°

Subtracting 125 by 180, we get:

x = 55°

Thus, the angle X is 55°.

We could have simply solved this by just doing 180 - 98 - 27 = 55 in the first place, but I wanted to show you how I got such results.

5 0
1 year ago
What is the probability that it will be blue?
anastassius [24]
Since its out of 15 marbles all together and all you need to find is the probability of 3 blue marbles you would have to divide 3 by 15. The outcome would be 0.2 or in your case... B. - 0.20
4 0
3 years ago
A deli offers 2 platters of sandwiches. Platter A has 2 roast beef and 3 turkey sandwiches. Platter B has 3 roast beef and 2 tur
erica [24]

Answer:

2 x+3 y and 3 x+ 2 y

Step-by-step explanation:

Let x represents the number of roast beef and y represents the number of turkey sandwiches.

Let r and t represent cost of the roast beef and sandwich.

Platter A:

Platter A has 2 roast beef and 3 turkey sandwiches. So, equation is 2 x+3 y.

Total cost of the platter = 2 r x+3 t y

Platter B:

Platter B has 3 roast beef and 2 turkey sandwiches. So, equation is 3 x+2 y.

Total cost of the platter = 3 r x+2 t y

So, the two equations are 2 x+3 y and 3 x+ 2 y.

7 0
3 years ago
Deli sandwich eat $3.95 each what is it the total cost of 6 sandwich
timofeeve [1]

Answer: 23.70


Step-by-step explanation:

Because 3.95x6=23.70

6 0
3 years ago
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