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3 years ago

How do I complete the proof?

Mathematics

1 answer:

Likurg_2 [28]3 years ago

3 0

The proof is to show your work

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Use these numbers:

White raven [17]

Answer:

45 and 5.

Step-by-step explanation:

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2 years ago

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Factor Completely -5x^3 + 10x^2

Anit [1.1K]

Answer:

Step-by-step explanation:

Given

- 5x³ + 10x² ← factor out - 5x² from each term

= - 5x²(x - 2) → D

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2 years ago

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Ryan spent 1/3 of his monthly salary for rent and 1/7 of his monthly salary for his utility bill. If $759 was left, what was his

musickatia [10]

Step-by-step explanation:

<h3>Given Information :</h3>

Ryan spent 1/3 of his monthly salary for rent and 1/7 of his monthly salary for his utility bill.
Remaining money = $759

<h3>To calculate :</h3>

His monthly salary.

<h3>Calculation :</h3>

Let us assume his monthly salary as x. According to the question,

➝ Money spent on rent + Money spent for utility bill + Remaining money = His salary

$\longrightarrow\sf {\dfrac{1}{3}x + \dfrac{1}{7}x + 759 = x} \\$

$\longrightarrow\sf {\dfrac{7x + 3x + 15939}{21}= x} \\$

$\longrightarrow\sf {\dfrac{10x+ 15939}{21}= x} \\$

$\longrightarrow\sf {10x+ 15939= 21x} \\$

$\longrightarrow\sf {15939= 21x - 10x} \\$

$\longrightarrow\sf {15939= 11x} \\$

$\longrightarrow\sf {\cancel{\dfrac{15939}{11}}= x} \\$

$\longrightarrow\underline{\boxed{\bf {1449= x}}} \\$

Therefore, his monthly income is $1449.

7 0

3 years ago

Need help please...............................

Hunter-Best [27]

Note that the side adjacent to angle XYZ is given (6 cm) and that the hypo is also given (15 cm). Thus, cos XYZ = adj / hyp = 6 cm / 15 cm = 2/5 = 0.4.

XYZ is then arc cos 0.4. Use the arccos function on your calculator to determine XYZ and give XYZ in both degrees and radians.

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3 years ago

F(x)= 3/4x +12 what is the y intercept of f-1(x)

lora16 [44]

Answer:

Step-by-step explanation:

3/4 is slope and 12 is why intercept

3 0

3 years ago