3 years ago

Rewrite the expression in the form 5". (5-8)(5–19) =

Mathematics

1 answer:

ella [17]3 years ago

6 0

Answer:

The answer is 42

Step-by-step explanation:

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Use the commutative law of addition to find an expression equivalent to 7(c+3)

Vlada [557]

Answer:

7c+21

Step-by-step explanation:

multiply 7 by c and 7 times 3

7c and 21

7c+21

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4 years ago

QUESTION 3 Construct a function for the relationship.

faltersainse [42]

Answer:

f(x)=3x-4

Step-by-step explanation:

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3 years ago

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kherson [118]

Answer:

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2)1:500

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Step-by-step explanation:

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3 years ago

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Use the quadratic formula to solve the equation. -2x^2 -x+7=0

Radda [10]

Answer: $x_1=1.63\\x_2=-2.13$

Step-by-step explanation:

1. The quadratic formula is shown below:

$x=\frac{-b+/-\sqrt{b^{2}-4ac}}{2a}$

2. Given the quadratic equation given in the problem, you have that:

$a=-2\\b=-1\\c=7$

3. Therefore, when you substitute the values shown above, you obtain the following result:

$x=\frac{-(-1)+/-\sqrt{(-1)^{2}-4(-2)(7)}}{2(-2)}$

$x_1=1.63\\x_2=-2.13$

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3 years ago

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I NEED HELP ASAP PLEASE!!! I'LL GIVE BRAINLIEST FOR THE CORRECT ANSWER!!!

ziro4ka [17]

Answer:

x = 3

y = 4

Step-by-step explanation:

Please let me know if you want me to write an explanation for my answer :)

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3 years ago