I need help and quick its due at 3:15

Mathematics

1 answer:

KonstantinChe [14]2 years ago

5 0

Believe its 3 sorry if its wrong

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Which expression is equivalent to 30 (1/2x - 2) +40 (3/4y-4)? (will add pic)

bixtya [17]

Answer:

Step-by-step explanation:

Given

30( $\frac{1}{2}$ x - 2) + 40( $\frac{3}{4}$ y - 4)

Multiply each of the terms in the first parenthesis by 30 and multiply each of the terms in the second parenthesis by 40.

= 15x - 60 + 30y - 160

= 15x + 30y - 220 → C

7 0

3 years ago

Please Help and please show the math on how you go the answer

icang [17]

Answer: 1 1/2

Step-by-step explanation:

First subtract 1 1/3 from 3 1/3 to find what is left over from her first batch of browns, 2. Then subtract 1 1/3 from 2 and get 2/3. 2/3 is 1/2 of 1 1/3, so she can make 1 1/2 more batches of brownies.

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2 years ago

A gardener is planting two types of trees:

nordsb [41]

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2 years ago

1.2, 3, 7.5, 18.75, ...<br><br> Which formula can be used to describe the sequence?

Nady [450]

Answer:

The formula is:

$a_n=1.2(\frac{5}{2})^{n-1}$

Step-by-step explanation:

The geometric sequences are those in which the division between the terms $a_{n + 1}$ and $a_n$ of the sequence are equal to a constant common reason called "r"