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2 years ago

0.5+0.3-(-0.5--0.3) I AM SOOOO SRRY GUYS

Mathematics

1 answer:

11Alexandr11 [23.1K]2 years ago

3 0

Answer:

0.5+0.3-(-0.5-0.3)

=1.6

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2+2=? What is the problem?

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2+2=4

Step-by-step explanation:

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Audrey gave a 0.90 tip to a waitress for serving a meal costing $6.00. what percent of the bill was her tip?

maw [93]

Answer:

<u>15%</u> percent of the bill was her tip.

Step-by-step explanation:

Given:

Audrey gave a $0.90 tip to a waitress for serving a meal costing $6.00.

Now, to find the percent of the bill was her tip.

The bill was = $6.00.

The tip she gave = $0.90.

Now, to get the percent of the bill was her tip:

$\frac{The\ tip}{The\ bill}\times 100$

$=\frac{0.90}{6.00} \times 100$

$=0.15\times 100$

$=15\%.$

Therefore, 15% percent of the bill was her tip.

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3 years ago

the lengths of the side of a rectangular window have the ratio 1.7 to 1 the area of the window is 2,720 sqaure inches what are d

nignag [31]

Answer:

$Lenght: 68\ in\\\\Width: 40\ in$

Step-by-step explanation:

The formula for calculate the area of a rectangle is:

$A=lw$

Where "l" is the lenght and "w" is the width.

You know that the ratio of the sides of the rectangular window is:

$1.7:1$

Then, let be $x$ the width (in inches) of the rectangular window and $1.7x$ the lenght (in inches) of the rectangular window.

Knowing that the area of the window is 2,720 square inches, you can know that:

$(1.7x)(x)=2,720$

Now you must solve for "x" in order to find the width:

$(1.7x)(x)=2,720\\\\1.7x^2=\\\\x=\sqrt{\frac{2,720}{1.7} }\\\\x=40$

Finally, the lenght is:

$1.7x=1.7(40)=68$

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3 years ago