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3 years ago

15

What is the percentage decrease of $110 to $96

1 answer:

Anna11 [10]3 years ago

3 0

Don't have a calculator but it's in between 10 and 20 percent

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A landscaper needs 348 pounds of plant food. He has 114 pounds in his truck, and another 46 pound at his shop.

Black_prince [1.1K]

Answer:

$\frac{19}{12}\ pounds$

or

$1\frac{7}{12}\ pounds$

Step-by-step explanation:

<u><em>The correct question is </em></u>

A landscaper needs 3 4/8 pounds of plant food. He has 1 1/4 pounds in his truck, and another 4/6 pound at his shop. How many more pounds of plant food does the landscaper need?

Let

x ----> the additional pounds of plant food needed for the landscaper

we know that

The additional pounds of plant food needed for the landscaper plus the pounds in his truck plus the pounds in his shop must be equal to the total pounds of plant food needed

so

The linear equation that represent this problem is

$x+1\frac{1}{4}+\frac{4}{6}=3\frac{4}{8}$

Convert mixed number to an improper fractions

$1\frac{1}{4}=1+\frac{1}{4}=\frac{4*1+1}{4}=\frac{5}{4}$

$3\frac{4}{8}=3+\frac{4}{8}=\frac{3*8+4}{8}=\frac{28}{8}=\frac{14}{4}$

Substitute in the expression above

$x+\frac{5}{4}+\frac{4}{6}=\frac{14}{4}$

solve for x

Multiply by (4*6) both sides to remove the fractions

$24x+30+16=84$

Combine like terms left side

$24x+46=84$

subtract 46 both sides

$24x=84-46$

$24x=38$

Divide by 24 both sides

$x=\frac{38}{24}\ pounds$

simplify

$x=\frac{19}{12}\ pounds$

Convert to mixed number

$\frac{19}{12}\ pounds=\frac{12}{12}+\frac{7}{12}=1\frac{7}{12}\ pounds$

4 0

3 years ago

How many decibels is this? show work

slavikrds [6]

Answer:

<u>115 dB</u>

Explanation:

<u>1. Given equation:</u>

$\beta =10log(\frac{I}{I_0})\\\\ I_0=10^{-12}W/m^2$

<u>2. Given intensity:</u>

$I=0.315W/m^2$

<u>3. Decibels</u>

$\beta =10log(0.315/10^{-12})\\ \\ \beta =10log(315,000,000,000)\\ \\ \beta =10(11.498)=114.98\approx 115$

4 0

3 years ago

Olive oil costs £3.50 for 1 litrehow much 200 ml of olive oil cost

Nookie1986 [14]

1000 ml costs £3.50
200 is 1/5 of 1000 so it will be £0.7

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3 years ago

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stepan [7]

I say the answer is point c from the way the points are on the graph

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3 years ago

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Measure the angle and classify it as right,acute, or obtuse

Jobisdone [24]

Answer: angle 2 is acute

Step-by-step explanation: the angle is less that 90⁰

7 0

3 years ago