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AnnyKZ [126]
3 years ago
14

Can someone help me with question #2 a, b, and c Please and thank you

Mathematics
1 answer:
ratelena [41]3 years ago
8 0

Answer:

A= 60, B= 33%, C= 66%

Step-by-step explanation:

A=60 because 1/3 of 180 is 60

B=33% because thats the closest you can get to 1/3 of 100 unless you wanna add .3 to it

C= Same explanation for B

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Elizabeth ate lunch and wanted to leave her waitress a 15% TIP. Her meal cost $8.95. How much money should Elizabeth leave total
prisoha [69]

Answer:

$10.2925, Rounded up: 10.30

Step-by-step explanation:

First, you find what 15% is in a decimal. so you do 15 x 100 to get 0.15

Then you multiply that by 8.95 to get 1.3425

Finally, you add up the numbers and get 10.30 as a rounded answer :D

3 0
3 years ago
I need help with this question fast. I’m running out of time!
ale4655 [162]
No idea ı m sorry lkddkdk
4 0
3 years ago
Read 2 more answers
Solve for x: 2(x 3)2 − 4 = 0 Round your answer to the nearest hundredth. X = 4. 41, 1. 59 x = 1. 34, 5. 24 x = −1. 34, −5. 24 x
gladu [14]

The two values when the provided quadratic equation is solved for the x are -4.41 and -1.59 to the nearest hundredth.

<h3>What is a quadratic equation?</h3>

A quadratic equation is the equation in which the unknown variable is one and the highest power of the unknown variable is two.

The standard form of the quadratic equation is,

ax^2+bx+c=0

Here, (<em>a,b,c</em>) are the real numbers and <em>x </em>is the variable.

To find the value of x, the following formula is used,

x=\dfrac{-b\pm\sqrt{b^2-4ac}}{2a}

The given equation is,

2(x+ 3)^2 - 4 = 0

To solve this equation, we need to apply some mathematical operations over it. Let's start with opening the brackets.

2(x+ 3)^2 - 4 = 0\\2(x^2+6x+9)-4=0\\2x^2+12x+14-4\\2x^2+12x+12=0\\x^2+6x+7=0

On comparing with standard equation we get,

a=1, b=6, c=7

Put this values in the above formula,

x=\dfrac{-(6)\pm\sqrt{(6)^2-4(1)(7)}}{2(1)}\\x=\dfrac{-(6)\pm\sqrt{(6)^2-4(1)(7)}}{2(1)}\\x=-4.41,-1.59

Hence, the two values when the provided quadratic equation is solved for the x are -4.41 and -1.59 to the nearest hundredth.

Learn more about the quadratic equation here;

brainly.com/question/1214333

5 0
2 years ago
ellen had 25 hair clips,7 of them were blue and the rest are purple.what percent of hair clips were purple
strojnjashka [21]
Answer=72%

25-7=18purple clips

  18       x
____=____
  25     100

cross multiply
25x=1800
divide both sides by 25
x=72%
6 0
3 years ago
Read 2 more answers
Five cereal bars are shared equally by 2 students. How many does each student receive?
nata0808 [166]

Answer:

They each get 12.5

5 0
3 years ago
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