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My name is Ann [436]
3 years ago
14

What multiple cation will you do if your answer is 390

Mathematics
2 answers:
spin [16.1K]3 years ago
6 0
It's actually spelled multiplication
LenKa [72]3 years ago
6 0
You will do 390 times 1
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Fully Factor 3x^2 – 16x + 20
ryzh [129]

Answer:

C. (3x2 - 10) (x - 2)

Step-by-step explanation:

3x^2 - 16x +20

Step 1: Sum = - 16x

Product = 60x^2

Step 2: Find 2 numbers that their sum is -16 and their product is 60. If you do that correctly, then you will get two numbers: 10 and -6

Step 3: Replace -16x with the two numbers found in step 2, then you will have; 3x^2 - 6x - 10x + 20

Step 4: Factorise the equation in step 3, like so;

(3x^2 - 6x)(- 10x + 20)

3x(x - 2) -10(x - 2)

(3x - 10)(x - 2)

To check if the answer is correct, expand the bracket: (3x - 10)(x - 2)

If the bracket is opened properly, you will get 3x^2 - 16x + 20

4 0
3 years ago
PLZ HELP AND SHOW YOUR WORK &lt;3333<br><br><br> Substitution.<br><br> 3x+2y=11<br><br> y=5x-1
liraira [26]
Hey there! :D

Substitute y for 5x-1. 

3x+2y=11

y=5x-1

3x+2(5x-1)=11

3x+10x-2=11

13x-2=11

13x=13

x=1

Now, plug that in to find y.

y=5x-1

y=5(1)-1

y=5-1

y=4

(1,4) <== the solution

I hope this helps!
~kaikers
8 0
3 years ago
Simplify <br> (2x - 5)(x + 3) = 0
kirza4 [7]

Answer:

x = 5/2, -3

or

x = 2.5, -3

or

2 1/2, -3

Step-by-step explanation:

Brainliest Please!!

- Hermionia

3 0
3 years ago
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Which mixed number is equivalent to the improper fraction below?
Solnce55 [7]

D is the correct fraction

5 0
3 years ago
The base and height of the triangle of the triangle at the right are multiplied by 4. Describe the change in the area. Justify y
dimulka [17.4K]
5 meters and 6 meters? Where the heck did you get 5 and 6 from is there like some sort of magic going on? Is this Disney!? IS the height 5 m and the base is 6 m or what because I can't help you with Disney's magic stuff. IS THERE LIKE ALL OF A SUDDEN 2 triangles?
wow.
3 0
3 years ago
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