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HACTEHA [7]
3 years ago
13

What two numbers subtract to 4 and add to 20

Mathematics
2 answers:
Verdich [7]3 years ago
8 0

Answer:

8 & 12

Step-by-step explanation:

12 - 8 = 4

12 + 8 = 20

Dennis_Churaev [7]3 years ago
6 0
12 and 8

12+8=20

12-8=4

Hope this helps!
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Anyone know this one?
Dvinal [7]

Answer:

3

Step-by-step explanation:

<em>This is cube root (hence the </em>\sqrt[3]{}).

To find the cube root of a number, we are looking for a number that, when multiplied by itself 3 times, equals the number inside the sign.

So:

3^x = 27

We know that 2\cdot 2\cdot 2 = 8, so this doesn't work.

We also know that 3 \cdot 3 \cdot 3 = 27, so this works.

Therefore the cube root of 27 is 3.

Hope this helped!

4 0
3 years ago
Read 2 more answers
According to the rational root theorem, which is a factor of the polynomial f(x)=3x^3-5x^2-12x+20?
MakcuM [25]

Answer:

(x-2), (x+2), (3x-5)

Step-by-step explanation:

Factors of 3: ±1, ±3

Factors of 20: ±1, ±2, ±4, ±5, ±10, ±20

Possible factors of the polynomial: ±1, ±2, ±3, ±4, ±5, ±10, ±20, .... (there's a lot more but you probably do not need to list them all)

Pick a number to divide the polynomial by (I picked 2)

(3x³-5x²-12x+20)÷(x-2) = 3x²+x-10

So (x-2) is a factor of f(x) = 3x³-5x²-12x+20

Factor 3x²+x-10 = (3x-5)(x-2) these are the other factors of f(x) = 3x³-5x²-12x+20

4 0
3 years ago
Four friends are going to the movies. The cost of one ticket is $9.50, and the cost of one large popcorn is
shusha [124]

Answer:

4(4.5 + 9.5)

Step-by-step explanation:

5 0
3 years ago
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Alexandra owes $875.45 on her charge account. The minimum payment due is $25.00. Alexandra’s monthly interest charge is 2.4% of
oee [108]
$875.45+<span>2.4%=21.01 times 30 days=1505.77 </span>
4 0
3 years ago
10 POINTS!<br> Please help and show the work please
Wittaler [7]

Answer:

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Step-by-step explanation:

she made 27/36 or 3/4 shots because the possible number of shots that she could've made was 36 which is the denominator. she made 27 shots which is the numerator. the simplified version of the fraction would 3/4 because 27 and 36 are both divisible by 9

7 0
3 years ago
Read 2 more answers
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