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quester [9]
3 years ago
11

I'm failing my math class and need help ):

Mathematics
1 answer:
jek_recluse [69]3 years ago
8 0
Take first number as x
 <span />second number is 3x
 <span />third number = 3x+5 <span> </span>

<span> </span> twice the third is 5 less than second, means second minus 2 times third is equal to five or 3x-2(3x+5)=5..........Answer is D
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Between which pair of numbers is the exact product of 379 and 8?
AnnZ [28]
The product of 379 and 8 is 3,032.

It's between (any number less than 3,032) and (any number greater than 3,032).

I guess if this is an <em>estimation </em>exercise, you could say that it's between
(8 x 300) and (8 x 400), or 2,400 and 3,200. 
5 0
4 years ago
Given the diagram of parallelogram LMNO, solve for s.
Evgen [1.6K]
< o and < m are congruent because opposite angles are congruent
3t - 15 =  2t + 10
3t - 2t = 10 + 15
t = 25

3t - 15 = 3(25) - 15 = 75 - 15 = 60...< m = 60

< m and < o are consecutive angles and they are supplementary....so they add up to 180
< m + < o = 180
60 + < o = 180
< o = 180 - 60
< o = 120

3s = 120
s = 120/3
s = 40

6 0
4 years ago
Read 2 more answers
Part a: if angle a and angle b are vertical angles, what is the value of X?
Blizzard [7]

Answer:

a. x = 8

b. m<B = 140

Step-by-step explanation:

a.

m<A = m<B

40 = 5x

x = 8

b.

m<A + m<B = 180

m<B = 180 - m<A

m<B = 180 - 40

m<B = 140

7 0
3 years ago
2x – Зу = -5 3х + 5y= 1​
Bess [88]

Answer:

what are we trying to do with the problem tho?

Step-by-step explanation:

5 0
3 years ago
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1) A dolphin swam to a depth of 110 feet below sea level. Then, it rose 85 feet. What was
Helen [10]

Answer:

The dolphin's final depth was -25 feet.

Step-by-step explanation:

3 0
3 years ago
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