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Anastaziya [24]
3 years ago
11

I need help!! I don’t get it!!

Mathematics
1 answer:
Len [333]3 years ago
3 0

Answer:

170

Step-by-step explanation:

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0.8x+2.71=1.898-0.6x<br><br> Solve for x
lesantik [10]
0.8x + 2.71 = 1.898 - 0.6x  
Add 0.6x to each side.  
0.6x + 0.8x + 2.71 = 1.898 - 0.6x + 0.6x
1.4x + 2.71 = 1.898
Subtract 2.71 from both sides.  
-2.71 + 1.4x + 2.71 = 1.898 - 2.71
1.4x = -0.812
____=_____
1.4    =   1.4
Divide by 1.4

x = -0.58

Hope I helped
5 0
4 years ago
Read 2 more answers
The perimeter of a triangle is 45 centimeters. find the lengths of its sides if the longest side is 7 centimeters longer than th
dangina [55]
X = length of shortest side
Therefore the remaining sides will be x +2 and x + 7

x + x + 2 + x +7 = 45
3x + 9 = 45
3x = 36
x = 12
x + 2 = 14
x + 7 = 19

The sides are 12, 14, and 19 cm. long. Hope this helped!
3 0
3 years ago
How are unlike fractions identified?
I am Lyosha [343]
 C, because if it was D, they would be the same, which is A written in another format. Then  process of elimination
3 0
4 years ago
Read 2 more answers
1.7(10^−13)(3.5)(10^25)​
liq [111]

\boxed{\bf\huge{Answer:—}}

\sf \longmapsto5.95 \times  {10}^{ 12}

\boxed{\huge\bf{ Solution:—}}

\sf \longmapsto \: (1.7 \times 10  {}^{ - 13} )(3.5 \times  {10}^{25} )

\sf \longmapsto1.7 \times 3.5 ( {10}^{25}   \times  {10}^{ - 13} )

\sf \longmapsto \: 1.7 \times 3.5( {10}^{25 - 13} )

\sf \longmapsto3.5 \:  \times 1.7( {10}^{12} )

\sf \longmapsto5.95 \times  {10}^{ + 12}

4 0
3 years ago
Read 2 more answers
Please help me solve this question
const2013 [10]

angle D = 92°

Step-by-step explanation:

Since the two figures are congruent.

angle D = angle K

20x + 12 = 25x - 8

5x = 20

x = 4

Substituting this value into angle D, we see that

angle D = 20x + 12

= 20(4) + 12

= 92°

4 0
3 years ago
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