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3 years ago

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4 questions 50 points

1 answer:

MAXImum [283]3 years ago

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5. I need help with question in the attached picture!

igomit [66]

ANSWER

x=100,y=10

EXPLANATION

The given logarithmic equations are;

$log_{10}( {x}^{2} {y}^{3} ) = 7$

This implies that,

${x}^{2} {y}^{3} = {10}^{7} ...(1)$

and

$log_{10}( \frac{x}{y} ) = 1$

This implies that,

$\frac{x}{y} = {10}^{1}$

$x = 10y...(2)$

Put equation (2) into equation (1)

${(10y)}^{2} {y}^{3} = {10}^{7}$

$10 ^{2} y^{2} {y}^{3} = {10}^{7}$

${y}^{5} = {10}^{5}$

Hence y=10.

This implies

$x = 10(10) = 100$

3 0

3 years ago

Lilly buys fresh fruit from a fruit stand. Apples cost $5 per pound and oranges cost $4 per pound. She has $40 to spend. The tab

pickupchik [31]

Answer:

Different ways to answer this question

Step-by-step explanation:

You can do a ratio of 1:4 apples and 1:5 oranges

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3 years ago

Joe has read 30 % of a book. He has 63 more pages to finish. How many pages are there in the book?

meriva

Answer:

90 pages

Step-by-step explanation:

30% complete

70% to go = 63 pages

t = total number of pages

0.7t = 63

∴ t = ⁶³/₀.₇

⁶³/₀.₇ = 90

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3 years ago

Four decreased by the product of a number and 7 is equal to 11

Nana76 [90]

Answer:

See image below:)

Step-by-step explanation:

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3 years ago

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What is on the HANNA ORLEANS ALGEBRA 1 (7th for 8th) PLACEMENT TEST GUIDE?

Fed [463]

Answer:

17

Step-by-step explanation:

ifhrFj,iyjgztizzkyraykeLyrgodyyixynj

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3 years ago