3 years ago

If a+b=2x-2 and a-b=4x-8

Mathematics

1 answer:

spin [16.1K]3 years ago

4 0

What are you looking for? looking for x a or b?

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Please help asap 25 pts

valentina_108 [34]

Answer:

B, shaded region below a dashed boundary line

Step-by-step explanation:

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3 years ago

Based on the polynomial remainder theorem, what is the value of the function when x = 4?

ipn [44]

Answer:

124

Step-by-step explanation:

When x=4, substitute 4 into the function to give f(4).

$f(4) = (4)^4 - 2(4)^3 + 5(4)^2 -20(4) -4\\f(4) = 256 - 2(64) + 5(16) - 80 -4\\f(4) = 256 -128 + 80 - 80 -4\\f(4) = 128+80-80-4\\f(4) = 208-80-4\\f(4) = 128-4\\f(4) = 124$

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3 years ago

Use substitution to solve the linear system of equations.

Ne4ueva [31]

Answer:

Step-by-step explanation: infinitely many solutions (please give brainliest)

6 0

2 years ago

A recipe for chicken noodle soup is shown.

gogolik [260]

Answer: A or 1:4

Step-by-step explanation: Since its 16 servings and the recipe is 8, you just multiply everything by 2. Since 1/2 * 2 = 1 and 2 *2 = 4, it would be 1:4

3 0

2 years ago

16(4 1/4) distrubuted

ss7ja [257]

Answer:

Step-by-step explanation:

Step 1: Convert fraction to improper

4 1/4 = 16/4 + 1/4 = 17/4

Step 2: Multiply 16 and 17/4

16(17/4) = 272/4 = 68

8 0

3 years ago