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statuscvo [17]
3 years ago
13

David told Jen, "Write three two-digit numbers. I'll add three more and give you the sum right away." Jen wrote 53, 42, and 31.

Then David wrote 46, 57, and 68 and said the sum was 297. Was he right? What pattern did he use?
Mathematics
1 answer:
alina1380 [7]3 years ago
8 0
He is correct. The pattern is -11,-11+15,+11 and +11
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I need help plz no links
Nastasia [14]

Answer:

6

Step-by-step explanation:

From the pythagorean theorem the square lenght of hypotenuse is equal to sum of square lenght of base and side

(6.5)^2 = x^2 + (2.5)

42.25 = x^2 + 6.25 subtract 6.25 from both sides

36 = x^2 and x = 6

4 0
3 years ago
Which number when rounded to the nearest whole number 4
Serga [27]
A number that can be rounded to 4 can be anywhere from 3.5 to 3.9
5 0
3 years ago
6. Santiago Diaz Granados played an arcade game that cost 25 tokens per game. In six games, Santiago won 0 tokens, 10 tokens, 50
Pavel [41]
-- To play the six games, <span>Santiago Diaz Granados spent

                                             (6 x 25) = 150 tokens.

-- As a result of his skill, experience, talent, steady hand, nerves
of steel, superior hand-eye coordination, and superb reflexes, </span><span>
Santiago Diaz Granados won</span>

                 (0 + 10 + 50 + 0 + 5 + 10) = 75 tokens.

-- At the end of the 6th game, <span>Santiago Diaz Granados was behind
the curve. 
After spending 150 tokens and winning 75 tokens, </span><span>Santiago Diaz Granados
was down by (150 - 75) = 75 tokens since he arrived at the arcade. 
Any true friend could look at the choices, could see that choice-B is
the correct one, and could advise </span><span>Santiago Diaz Granados to cash in
whatever he had left, accept his losses, return to his home, and live
to fight another day. 

Viva </span><span>Santiago Diaz Granados ... </span><span>un verdadero héroe de su pueblo.  Viva !</span>
3 0
3 years ago
Fractions that have different denominators are called
scoray [572]
They are called unike fractions. If u would want to do anything to them u would have to make the denominaters the same
5 0
4 years ago
Read 2 more answers
If f(x) = 2x2 + 3x and g(x) = x – 2, what is (f +
LUCKY_DIMON [66]
F(x) = 2x²+3x
g(x)= x-2

f(x)+ g(x) =( 2x²+3x ) +(x-2)
= 2x²+3x+x-2
= 2x²+4x-2

(f+g)(2) = 2(2)²+4(2)-2
= 2•4+8-2
= 8+8-2
= 14



hope to helped
4 0
4 years ago
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