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agasfer [191]
3 years ago
15

12+4(8x-1) please help

Mathematics
1 answer:
MakcuM [25]3 years ago
6 0

Answer:

32x+8

Step-by-step explanation:

You’re welcome :)

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Help me with number 9 please
olga nikolaevna [1]

Answer:

yes, it is (3,2)

Step-by-step explanation:

quadrant

1st  (-,+)

2nd (+,+)

3rd (-,-)

4th (+,-)

4 0
3 years ago
Find the value of x. please help me with my test
Lady bird [3.3K]

Step-by-step explanation:

180 -angled triangle,

180-56 = 124

124/2 = 62 (each corner of the right triangle)

then find the corner below

the rectangle has right angles on the right side

x = 90-62

= 28

8 0
2 years ago
Which shows a perfect square trinomial?
anastassius [24]
The answer is <span>c. 16x2 + 24xy + 9y2.

Since we need trinomial (three term expression) choices a and b are incorrect because they have only two terms.

So, our square trinomial is a</span>² + 2ab + b² or a² - 2ab + b²
a² + 2ab + b² = (a + b)²
a² - 2ab + b² = (a - b)²

Let's check choices c and d:
c) 16x² + 24xy + 9y²
a² = 16x²
a² = (4x)²
a = 4x

b² = 9y²
b² = (3y)²
b = 3y

a² + 2ab + b² = (4x)² + 2 * 4x * 3y + (3y)² = 16x² + 24xy + 9y²
CORRECT

d) 49x² - 70xy + 10y²
a² = 49x²
a² = (7x)²
a = 7x

b² = 10y²
b² = (y√10)²
b = y√10

a² + 2ab + b² = (7x)² + 2 * 7x * y√10 + (y√10)² = 49x² + 14xy√10 + 10y²
INCORRECT

So, c) is correct answer
8 0
3 years ago
Read 2 more answers
6x-2y=10 for y when x=2
tankabanditka [31]

Answer: 1

Step-by-step explanation:

6 times 2 minus 2y = 10

first 6x2=12

12-2y=10

minus 12 from each side =0

so now you have;

-2y= -2

divide & you get one!

<33333

7 0
3 years ago
-3x + 4y = 12; 3x - 5y = 18<br> Solve
viktelen [127]
X = -44
y = -30

Solve for y in equation 1.
Plug in the new value for y into equation 2 to solve for x.
Next, plug your x value into either equation to find y. You can choose either, but I picked the 1st equation.

Check out pic!

3 0
3 years ago
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