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Flauer [41]
2 years ago
7

2 (x + 4) = 4.2 (x - 2) - 2x

Mathematics
2 answers:
inessss [21]2 years ago
7 0
I really don’t know the answer
dalvyx [7]2 years ago
6 0

Answer:

X=82

Step-by-step explanation:

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Toni bought 5 t-shirts for 35 if each T-shirt cost the same amount .how much tony would pay for20 shirts 
Sergeeva-Olga [200]

Answer: The answer is Toni can buy 20 tee shirts for 140 dollars

Step-by-step explanation:

First you find out how many times 5 can go into 20

Next you see that 5 can go into 20, 4 times so you take the 35 and multiply 4 and you get 140 so you can buy 20 tee shirts for 140 dollars.

8 0
3 years ago
Match each algebraic expression with the method to use for factoring.
LekaFEV [45]

Answer:

  • Prime: 3
  • GCF: 1
  • Factoring Trinomials: 4
  • Difference of Squares: 2
  • Perfect Square Trinomial (PST): 5

Step-by-step explanation:

1. Each term has an even coefficient, so a factor of 2 can be removed:

  2(3x^2 +7x -15)

The remaining quadratic factor is prime.

__

2. Each of these two terms is a square, so this is the difference of two squares.

__

3. This cubic has one irrational negative real root. It is prime.

__

4. This trinomial factors in the usual way: (x +15)(x -2). It is factored by "factoring trinomials."

__

5. The magnitude of the x-coefficient is double the square root of the (positive) constant, so this is a perfect square trinomial.

3 0
2 years ago
If a pound of rice flour costs $12, how many ounces can be bought for $6.90?
Viktor [21]

Answer:

9.2 ounce

Step-by-step explanation:

To do this, we divide $12 by 16 ounces, because there are 16 ounces in a pound:

12/16 = 0.75

Now, we need to find how many ounces can be bought for $4.80. To do this, we divide 6.90 by 0.75

=9.2 ounce

4 0
2 years ago
Which of the following circles have their centers on the x-axis? Check all that apply.
Alexeev081 [22]

Answer: Option A and Option D

Step-by-step explanation:

By definition the general equation of a circle has the following form

(x-h)^2+ (y-k)^2=r^2

Where r is the radius and the point (h, k) is the center of the circle

All points that are on the x axis have the following form:

(h, 0)

Therefore all the circles that have their centers on the x axis will have a value of k = 0.

Identify among the options all those equations that have a value of k = 0

The circles that have their center on the x axis are option A and option D

7 0
3 years ago
PLZ HELP LIKE PRETTY PRETTY PLZ
viktelen [127]

Answer:

x

y

−

1

−

1

0

0

Step-by-step explanation:

7 0
2 years ago
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