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Bogdan [553]
3 years ago
12

HELP PLS KIND PPL✨

Mathematics
1 answer:
ExtremeBDS [4]3 years ago
6 0

Answer:

(-4x³ - x²)(8x² - 9) = -32x⁵ - 8x⁴ + 36x³ + 9x²

5x(3x² + 2) = 15x³ + 10x

(3x+ 1)² = 9x² + 6x + 1

(1 + 4x)(1 - 4x) = 1 - 16x²

(3x - 2)(3x - 2) = 9x² - 12x + 4

Step-by-step explanation:

You might be interested in
In which quadrant angle k lies, if tan k<0, an csc k >
Zanzabum

Answer:

A. QII.

Step-by-step explanation:

The tan < 0 in Quadrants 2 and 3.

The csc > 0 in Quadrants  1 and 2.

7 0
3 years ago
Please help me math ​
romanna [79]
The answer is A. because if u were to use ur place value it would line up.
5 0
3 years ago
Solve this system of equations by using substitution<br><br> 3x + 5y = 23<br> y= x + 3
Iteru [2.4K]

Answer:

x=1

y=4

(1,4)

Step-by-step explanation:

TO SOLVE FOR X:

1. Substitute y=x+3 into the equation. This should look like this:

3x+5(x+3)=23

2. Use the distributive property.

3x+5x+15=23

3. Simplify:

8x+15=23

4. Subtract 15 from both sides. It should now lool like this:

8x=8

5. Divide both sides by 8.

x=1

TO SOLVE FOR Y:

1. Take x and substitute into original statement:

3(1)+5y=23

2. Simplify:

3+5y=23

3. Subtract 3 from both sides:

5y=20

4: Simplify:

y=4

CHECK ANSWER:

y=x+3

1. Substitute your answers

4=1+3

2. Simplify

4=4

3. Check for Truth. Is 4=4?

Yes. So your final answer is:

x=1

y=4

(1,4)

6 0
4 years ago
The angle is 36.2 less than it’s complementary angle
elena-s [515]

Answer:

below

Step-by-step explanation:

Measure of each angle is 27 and 63 degrees.

7 0
2 years ago
.. Lexi was at the grocery store looking at the different prices for shampoo. She found that the small bottle of shampoo was $7.
Sergeeva-Olga [200]

Answer:

The answer is Medium size

Step-by-step explanation:

The equation is simple

14.20 divided by 20 = 0.71

6 0
3 years ago
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