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weeeeeb [17]
3 years ago
12

What times what equals 19

Mathematics
2 answers:
Vlad [161]3 years ago
6 0
Since 19 is prime, the only factors of 19 are 1 and 19.

So the answer is 1 and 19.

Hope this helped!
SOVA2 [1]3 years ago
3 0
1) 1 times 19

nothing honestly makes 19 unless your doing distributive property. Like 2(6) + 7 that will make 19 but therefore 1 times 19 is the only thing in my opinion that equals 19.

How this helped!
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What is the value of the expression 8−28−2 ?
natulia [17]
The answer is -22 first subtract 8 by 28 which is -20 then add 2 which is -22
4 0
3 years ago
The arithmetic sequence a_ia i ​ a, start subscript, i, end subscript is defined by the formula: a_1 = 15a 1 ​ =15a, start subsc
daser333 [38]

Answer:

-1,512,390

Step-by-step explanation:

Given

a1 = 15

a_i = a_{i-1} -7

Let us generate the first three terms of the sequence

a_2 = a_{2-1}-7\\a_2 = a_1 - 7\\a_2 = 15-7\\a_2 = 8

For a_3

a_3 = a_{3-1}-7\\a_3 = a_2 - 7\\a_3 = 8-7\\a_3 = 1

Hence the first three terms ae 15, 8, 1...

This sequence forms an arithmetic progression with;

first term a = 15

common difference d = 8 - 15 = - -8 = -7

n is the number of terms = 660 (since we are looking for the sum of the first 660 terms)

Using the formula;

S_n = \frac{n}{2}[2a + (n-1)d]\\

Substitute the given values;

S_{660} = \frac{660}{2}[2(15) + (660-1)(-7)]\\S_{660} = 330[30 + (659)(-7)]\\S_{660} = 330[30 -4613]\\S_{660} = 330[-4583]\\S_{660} = -1,512,390

Hence the sum of the first 660 terms of the sequence is  -1,512,390

6 0
3 years ago
927 rounded to the hundred
kati45 [8]

Answer:

900

Step-by-step explanation:

2 rounds it down

7 0
3 years ago
Read 2 more answers
PLZ HELP ITS DUE TOMORROW ​
Dimas [21]

Answer: False false true

Step-by-step explanation:

5 0
3 years ago
Please answer the questions
siniylev [52]

Answer:

  1. root (7²+8²)=10.63
  2. root (10²-5²)=8.66
  3. root (11²-3²)=10.58
  4. root (18²+15²)=23.43

Step-by-step explanation:

a²+b² = c²

a = side of right triangle

b = side of right triangle

c = hypotenuse

6 0
3 years ago
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