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Yuki888 [10]
2 years ago
10

PART 9 OF ME ASKING FOR HELP

Mathematics
1 answer:
expeople1 [14]2 years ago
8 0

Answer:

B

Step-by-step explanation:2x+50+2x+30 = 180------> 4x+80=180, -80 on both sides, 4x=100 divide by 4 on both x=25 plug x back into the one you want to find which is 2x+50, so 2*25+50 = 100

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A positive two-digit number is represented by 10t + u. The sum of the squares of the digits is 26. If the number is decreased by
eimsori [14]
"<span>The sum of the squares of the digits is 26"
</span>10t + u = 26  ---->(1)

<span>"If the number is decreased by the number with its digits reversed, the result is 36"
u - 10t =36 -----> (2)

By subtracting the equation we can find t.
</span>  u+10t = 26)<span>
-(u-10t=36)</span>
______________
0u  +20t = 26 -36
---> 20t = -10
t= -10/20
t= -1/2

Inserting value t in (1)
10t + u = 26 
10(-1/2) + u= 26
-5+u=26
u= 26+5 = 31
<span>
Using u and t in the original expression 10t+u express a positive number

10t+u
= 10(-1/2) +u
= -5 + 31
= 26
----> Proves this statement is true 
</span>"The sum of the squares of the digits is 26"
10t + u = 26 <span>
</span>
5 0
3 years ago
The lengths of two sides in a triangle are 4 cm. and 9 cm. and it has one axis of
PIT_PIT [208]

Answer:

a is the answer rok I hope it helps

8 0
3 years ago
What is 8 percent of 26.40
kogti [31]

Answer: 2.112

Step-by-step explanation:

times

8 0
3 years ago
Read 2 more answers
What did I do wrong. I thought it was 15
CaHeK987 [17]
Its not 15 isnt it 10
3 0
4 years ago
Read 2 more answers
2/3 of the product of 3/8 and 16
NemiM [27]

finding the product of 2 numbers means that you have to multiply those numbers

\frac{3}{8} * 16

when multiplying fractions , numerators are multiplied by numerators and denominators by denominators

\frac{3}{8}*\frac{16}{1}  = \frac{3*16}{8*1} = \frac{48}{8} = 6

therefore product of 3/8 and 16 is 6

next we have to find 2/3 of 6

'of' operator means multiplication

\frac{2}{3} *\frac{6}{1} = \frac{2*6}{3*1} = \frac{12}{3} = 4


answer is 4

4 0
4 years ago
Read 2 more answers
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