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Grace [21]
4 years ago
7

Whats 2+1*7 nnebfbwjqj

Mathematics
2 answers:
Svetlanka [38]4 years ago
6 0
2+1=3*7=21 hope I helped 
nydimaria [60]4 years ago
6 0
Answer is 9

<span>2+1*7
= 2 + 7
=9
.....................
P.S. PEMDAS</span>
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Pls help asap no trolls
Mekhanik [1.2K]

Answer:

yes

Step-by-step explanation:

This is because the sum of 2 sides of a triangle has to be greater than the side that was not used

6 0
3 years ago
Read 2 more answers
PLEASEEE HELP !! in two the three sentences, explain how you would find the line of symmetry for the parabola whose equation is
Arada [10]

Answer:

<em>Axis of symmetry line  is parallel to y- axis</em>

Equation of the parabola <em> ( x - ( -2 ))² =  (y - 12 )   </em>

Step-by-step explanation:

<u><em>Explanation</em></u>:-

Given equation is y = x²+4 x+16

                            y =  x²+2 (2 ) x + (2)² - (2)² + 16

                           y   = ( x + 2 )² + 12

                         ( x + 2 )² = y - 12

                        <em> ( x - ( -2 ))² =  (y - 12 )   </em>

                         ( x- h)² = 4 a ( y - k)

            <em> Center (h ,k) = ( -2 , 12)</em>

<em>              Here   4 a  = 1 </em>

                          <em>  a = 1/4</em>

<em>Focus  S = ( h , K +a) = ( -2 , 12 + 0.25) = ( -2 , 12.25)</em>

<em>Axis of symmetry line  is parallel to y- axis</em>

                           

5 0
3 years ago
Describe how to compare the two ratios 5:8 to 7:9. Tell each step to set up the ratios, then explain what to do to be able to co
Lera25 [3.4K]

Step-by-step explanation:

The ratio's can be expressed as fractions and you may compare those.

  • 5 : 8 = 5/8
  • 7 : 9 = 7/9

In order to compare fractions you need to bring them into equal denominator.

8 and 9 have LCM of 8*9 = 72 since they have no common factors.

<u>The equivalent fractions with common denominator are:</u>

  • 5/8 = 9*5/(9*8) = 45/72
  • 7/9 = 8*7/(8*9) = 56/72

<u>Now we can compare the fractions:</u>

  • 45/72 < 56/72, since 45 < 56
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in the first quadrant you start at 11,8 and move 9 units left and 3 units up what point will you end up on
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Eleven subtract nine is two; eight adding three is eleven (2,11)
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George wants to save money for a car. George invests $1,100 in an account that pays an interest rate of 4%. How many years will
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To reach $3,900 with an interest rate of four percent on an account originally containing $1,100, it would take 32.27 years. 
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