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Stells [14]
3 years ago
10

PLEASE I NEED HELP!!! FIRST ANSWER IS BRANLIEST!!!

Mathematics
2 answers:
swat323 years ago
7 0

Answer:

30x - 18 is your final answer

8090 [49]3 years ago
3 0

Answer:

30x - 18

Step-by-step explanation:

6(5x - 3)

Apply the distributive property.

6(5x) + 6(-3)

30x + - 18

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∠C and ∠D are complementary.
djverab [1.8K]

Answer:

  • x = 7

Step-by-step explanation:

Complementary angles are angles that add up to 90°.

We have C and D as complementary.

Their sum is:

  • m∠C + m∠D = 90

Substitute values and solve for x:

  • 8x + 5x - 1 = 90
  • 13x = 90 + 1
  • 13x = 91
  • x = 91/13
  • x = 7
7 0
2 years ago
Read 2 more answers
The probability for success of an event is P(A), and the probability of success of a second event is P(B). What is the probabili
Ilya [14]
D. P(A x B)

To work out the success of both events you have to multiply them together. I'd seriously reccomend learning this rule as it's very important later on in mathematics as it's basically the foundation of all probability statistics.
4 0
3 years ago
Read 2 more answers
Convert 1254 kilocakories to calories
meriva
1254 kilocalories is equal to 1254000 gram calories :)
8 0
3 years ago
Write a quadratic equation with -4 and 3/2 as it’s roots. Write the equation in the form ax^2 + bx + c = 0, where a, b, and c ar
jonny [76]

9514 1404 393

Answer:

  2x² +5x -12 = 0

Step-by-step explanation:

When p and q are roots of a quadratic, its factored form can be written as ...

  (x -p)(x -q) = 0

Here, the roots are given as -4 and 3/2, so the factored form would be ...

  (x -(-4))(x -(3/2) = 0

Multiplying by 2 gives us ...

  (x +4)(2x -3) = 0

Expanding the product, we find the desired quadratic is ...

  2x² +5x -12 = 0

5 0
2 years ago
Please give 5 addition of polynomial examples​
Dafna1 [17]

Answer:

Addition of Polynomials

1Add: 3x3 – 5x2 + 8x + 10, 15x3 – 6x – 23, 9x2 – 4x + 15 and -8x3 + 2x2 – 7x.

2Add: 7a + 5b, 6a – 6b + 3c and -5a + 7b + 4c. ...

3Add: 3a2 + ab – b2, -a2 + 2ab + 3b2 and 3a2 – 10ab + 4b2 ...

4Add: 5x + 3y, 4x – 4y + z and -3x + 5y + 2z. First we need to write in the addition form. ...

Step-by-step explanation:

Hope it helps ya ItzAlex

3 0
3 years ago
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