Answer:
The number is 2
Step-by-step explanation:
Twice a number (z) = 2*z = 2z
Twice a number (z) added to 21 = 2z + 21
9 times the number added to 7 = 9z + 7
9z + 7 = 2z + 21
Subtract 2z form both sides
9z - 2z + 7 = 21
7z + 7 = 21
Subtract 7 from both sides
7z = 21 - 7
7z = 14
Divide both sides by 7
z = 14/7
z = 2
The three consecutive integers are: x, (x+1) and (x+2).
We can suggest this equation:
x+(x+1)+(x+2)=126
3x+3=126
3x=126-3
3x=123
x=123/3
x=41
x=41
(x+1)=41+1=42
(x+2)=41+2=43
Answer: the three consecutive integers would be: 41,42 and 43.
Answer:
235 is not Prime. It’s Composite.
Step-by-step explanation:
Factors of 235:
1, 5, 47, 235.
1 x 235 = 235,
47 x 5 = 235.
Prime Numbers have the number 1 and the number it's self.
This number has 4 factors, which means it’s composite,
Composite Numbers have 3 or more factors.
Answer:
Step-by-step explanation:
15j^2 + 15
the product of 15 and a number (j) squared increased by 15 ??
Answer:
the answer is 3820
Step-by-step explanation:
first you do 28 +38 which is 393 and then you do 383_jals which is 69, please mark me as brainiest
