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Anvisha [2.4K]
3 years ago
15

Help me please im stuck​

Mathematics
1 answer:
tiny-mole [99]3 years ago
7 0

Answer:

B

Step-by-step explanation:

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What percent of 32 is 21? Round your answer to the nearest tenths
bazaltina [42]

Answer:

65.63%

Step-by-step explanation:

21: 32*100 =

(21*100): 32 =

2100: 32 = 65.63

4 0
4 years ago
Melanie made a circular necklace. She puts beads evenly spaced around the necklace. If the 4th bead is directly across from the
Norma-Jean [14]
If the 4th lies opposite the 11th, then you know the 3rd lies opposite the 10th, the 2nd opposite the 9th, and the 1st opposite the 8th; meanwhile, in the reverse direction you'd find that the 5th lies opposite the 12th, the 6th opposite the 13th, and the 7th opposite the 14th. Move up one more bead and you're back at the 1st, which you already know lies opposite the 8th. Therefore there are 14 total beads.
8 0
3 years ago
Read 2 more answers
If f(–2) = 0, what are all the factors of the function ? Use the Remainder Theorem
Alex_Xolod [135]
The function is: f ( x ) = x³ - 2 x² - 68 x - 120
If f ( - 2 ) = 0, we have to divide this equation by: ( x + 2 )
( x³ - 2 x² - 68 x - 120 ) : ( x + 2 ) = x² - 4 x - 60
- x³ - 2 x²
--------------
       - 4 x² - 68 x - 120
         4 x² + 8 x
  ---------------------------
                - 60 x - 120
                  60 x + 120
                -----------------
                               0
After that for a function: f ( x ) = x² - 4 x - 60;   f (  - 6 ) = 0
( x² - 4 x - 60 ) : ( x + 6 ) = x - 10
 -x² - 6 x
-----------------
        - 10 x - 60
          10 x + 60
          -------------
                      0
Answer:
       C )    ( x - 10 ) ( x + 2 ) ( x + 6 )
 
7 0
3 years ago
Reduce the following fraction: -32abc/64a^2bc^2
mafiozo [28]

Answer:

-\dfrac{1}{2ac}

Step-by-step explanation:

Given:

\dfrac{-32abc}{64a^2bc^2}

Reduce this fraction.

Work with numbers and different letters separately:

1. Numbers:

\dfrac{-32}{64}=-\dfrac{32}{32\cdot 2}=-\dfrac{1}{2}

2. Letter a:

\dfrac{a}{a^2}=\dfrac{a}{a\cdot a}=\dfrac{1}{a}

3. Letter b:

\dfrac{b}b}=1

4. Letter c:

\dfrac{c}{c^2}=\dfrac{c}{c\cdot c}=\dfrac{1}{c}

Hence,

\dfrac{-32abc}{64a^2bc^2}=-\dfrac{1}{2}\cdot \dfrac{1}{a}\cdot \dfrac{1}{c}=-\dfrac{1}{2ac}

5 0
4 years ago
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Why can 2 obtuse angles make a right triangle please help
djverab [1.8K]
They can NOT.  A right angle is 90°.  An obtuse angle is greater than 90°.  All the angles in a triangle must add up to exactly 180°.  If two angles are greater than 90° then they will add up to greater than 180, beacuse 90 plus 90 equals 180.  You cannot have a triangle with two obtuse angles because they will add up to greater than 180°.
8 0
4 years ago
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