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MrRa [10]
3 years ago
7

The dinner check for a birthday party was $89.50. Estimate a 15% tip.

Mathematics
2 answers:
coldgirl [10]3 years ago
4 0

Answer:

i got you bro

Step-by-step explanation:

It is very easy to estimate 10% of any number - just divide by 10 by moving the decimal point one place to the left.

Once you know 10% of an amount, it is possible to find 5% by dividing the value that is 10% by 2. Adding these answers gives a quick estimate of 15%

For example: "Find 15% of 300"

10% of 300 = 30 and 30÷2=15

15% of 300 = 30+15 =45

In the same way for this question ...

Treat 89.50 as $90 Find 10%, then 5%.

#10% +5% = 9+13.50#

15% of the bill is about $13.50

maria [59]3 years ago
3 0
About $13 dollars rounded to the nearest whole dollar and $13.40 rounded to the nearest tenth.
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Need help quick please!!!<br> Could you please explain the answers to both questions? Thanks!
marissa [1.9K]
For the triangle picture:

2/6 = 5/x

2x = 30

x = 15


For the other picture:

3.2/2 = a/8

The third option applies.


Other option does not apply.
Because for Option 4,
It should be 2/3.2 = b/6.4

For option 3,
it should be b/6.4 = 5/8
7 0
3 years ago
If two sides of a triangle are 3 cm and 5 cm in length, which could NOT be the measure of the third side? A) 2 cm B) 3 cm C) 4 c
enot [183]

In geometry, there is a theorem that states: The sum of any two sides of a triangle is greater than that of the third

Let's try to plug in and find if any two sides added together will be greater than the third:


a) 2 cm

3+5=8 and 8>2 [acceptable]

2+3=5 but 5=5 [not acceptable]

2+8=10 and 10>5 [acceptable]

b) 3 cm

3+3=6, 6>5 [good]

3+5=8, 8>3 [good]

.....

etc


We found that the answer has to be 2cm, because if we were to add a side of 2cm with 3cm, it would equal to the third side and the theorem states that the sum has to be greater


Hope this helped :) If so, leave a rating :)


5 0
3 years ago
Read 2 more answers
Find Brandon's ratio of total cholesterol to HDL cholesterol using the
Nitella [24]

Brandon's ratio of total cholesterol to HDL cholesterol using the given information in its simplest form is 55 : 7

<h3>Ratio</h3>

This is the comparison between two or more quantities.

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  • HDL cholesterol = 35 mg/dL

Brandon's ratio of total cholesterol to HDL cholesterol

275 : 35

= 275 / 35

= 55 : 7

Therefore, the Brandon's ratio of total cholesterol to HDL cholesterol using the given information in its simplest form is 55 : 7

Learn more about ratio:

brainly.com/question/2328454

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5 0
2 years ago
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4vir4ik [10]
-8,-3 if i read that correctly, that should be the answer.
4 0
3 years ago
If x = 3 inches, y = 10 inches, w = 5 inches, and z = 5 inches, what is the area of the object?
kherson [118]
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B is the answer
7 0
3 years ago
Read 2 more answers
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