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sesenic [268]
3 years ago
11

What is the sum? 2/5 + 7/15 A) 14/75 B) 9/20 C) 3/5 D) 1315

Mathematics
2 answers:
Anton [14]3 years ago
4 0

Answer:

13/15 D

Step-by-step explanation:

2/5+7/15=13/15

Arlecino [84]3 years ago
3 0

Answer:

13/15

Step-by-step explanation:

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True or false this number is written in scientific notation? <br> .2486 x 10^12
Scilla [17]

Answer:

<h2>It Is True </h2>

It is true because scientific notation is a way of writing very large or very small numbers. A number is written in scientific notation when a number between 1 and 10 is multiplied by a power of 10. For example, 650,000,000 can be written in scientific notation as 6.5 ✕ 10^8.

8 0
3 years ago
Solve 5n + 6 = -3n - 10
Verizon [17]

Hi there! :)

Answer:

\huge\boxed{n = -2}

5n + 6 = -3n - 10

Solve for n:

Add 3n to both sides:

5n + 3n + 6 = -3n + 3n - 10

8n + 6 = -10

Subtract 6 from both sides:

8n + 6 - 6 = -10 - 6

8n = -16

Divide both sides by 8:

8n/8 = -16/8

n = -2.

3 0
3 years ago
Read 2 more answers
7 over 9 divided by 3
GarryVolchara [31]
Fraction is 7/27 or 0.259
4 0
3 years ago
31.693 Rounded to the nearest Hundredth ​
ioda

Hi there!  

»»————- ★ ————-««

I believe your answer is:  

31.69

»»————- ★ ————-««  

Here’s why:  

⸻⸻⸻⸻

  • '9' is in the hundredths place. The rounding is the digit to it's right, or '3'.
  • Since 3 is less than or equal to 4, we would round down.

⸻⸻⸻⸻

31.693 ≈ 31.69

⸻⸻⸻⸻

»»————- ★ ————-««  

Hope this helps you. I apologize if it’s incorrect.  

7 0
2 years ago
Rachel used 9 cups of flour and 4 teaspoons of sugar.
Firdavs [7]

Answer:

54 cups of flour

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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