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3 years ago

Expand and simpilfy (x+3)(x+5) GIVING THE BRAINLIEST

Mathematics

1 answer:

umka21 [38]3 years ago

4 0

Answer:

x^2+8x+15

Step-by-step explanation:

You can use FOIL method

(x*x)+(x*5)+(3*x)+(3*5)

x^2+5x+3x+15

x^2+8x+15

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Can u plzz help meeee

Strike441 [17]

10 because 8 squares plus 6 squared equals 100 and the root of 100 is ten

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3 years ago

Read 2 more answers

A high school coach wants to buy new shirts for the 25 members of the track team. The coach must spend less than $300 on the shi

jeka94

Answer:

1, 3, & 5

Step-by-step explanation:

Select three options.

1. The inequality should be written as 25 s less than 300.

2. The inequality should be written as 25 s greater than 300.

3. The circle is open.

4. The circle is closed.

5. The arrow points left.

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3 years ago

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The Range Rule of Thumb roughly estimates the standard deviation of a data set as _______.

maw [93]

Answer:

Option A)

$s = \dfrac{\text{Range}}{4}$

Step-by-step explanation:

Range Rule of Thumb

The range Rule of thumb states that the range is four times the standard deviation.
The standard deviation is a measure of dispersion.

$\text{Range = Maximum - Minimum}\\\text{s: Standard Deviation}\\\text{Range rule of Thumb:}\\\text{Range} = 4\times s\\\\s = \dfrac{\text{Maximum - Minimum}}{4}$

Thus, the correct answer is

$s = \dfrac{\text{Range}}{4}$

4 0

3 years ago

Quanto é 50% de 200

egoroff_w [7]

Answer:

Step-by-step explanation:

quanto é 50% de 200 and this the right answer

4 0

3 years ago

Plz help for financial algebra

serious [3.7K]

Answer: $277.91

<u>Step-by-step explanation:</u>

The average of the 2 highest salaried quarters is:

$\dfrac{\$13,500+\$12,775}{2}=\dfrac{\$26,275}{2}=\$3,137.50$

Divide that by 26 (weeks) to find out her average weekly salary:

$\dfrac{\$3,137.50}{26}=\$505.29$

Multiply that by 55% (0.55) to calculate her weekly unemployment benefit:

$\$505.29(0.55)=\$277.908$

Round to the nearest penny --> $277.91

4 0

3 years ago