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artcher [175]
3 years ago
8

Which of the following expressions are equivalent to - 4 + (4 + 5)?

Mathematics
1 answer:
ryzh [129]3 years ago
8 0

Answer:

number: 1,3,5

Step-by-step explanation:

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tapes-r-us is have a sale on hq tape players. The regular price is $60. The discount is $18. What percent discount is this?
olga nikolaevna [1]

The discount is 30%

Step-by-step explanation:

Given

Price of tape = $60

Discount = $18

In order to find the percentage, we will use the percentage formula

Percentage = \frac{discount}{Price}*100\\= \frac{18}{60} *100\\=0.3 * 100\\= 30\%

Hence,

The discount is 30%

Keywords: Percent, sale

Learn more about percentage at:

  • brainly.com/question/6554402
  • brainly.com/question/6500232

#LearnwithBrainly

7 0
3 years ago
Evaluate f(x)=e2x−1+2 when x=3. Give an approximate answer rounded to three decimal places.
olganol [36]

Answer:

f(3) ≈ 17.310

Step-by-step explanation:

e = 2.71828

Step 1: Define

f(x) = e2x - 1 + 2

x = 3

Step 2: Substitute and evaluate

f(3) = e2(3) - 1 + 2

f(3) = 6e + 1

f(3) = 16.3097 + 1

f(3) = 17.3097

f(3) ≈ 17.310

7 0
3 years ago
11
yulyashka [42]
The answer is C because it like adding 11.40+00.40 and that would be 12:20
3 0
3 years ago
Six times the sum of a number and 8 is 2
ehidna [41]
6(n+8)=2
6n + 48 = 2
6n + 48 - 48 = 2 - 48
6n = -46
N = -46/6
N = -7 2/3

4 0
3 years ago
Which of the fractions are equivalent to the fraction below?
uranmaximum [27]

Answer: 2/5 because when you multiply the numerator and denominator of 2/5 by 3, you get 6/15

7 0
1 year ago
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