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Natalija [7]
3 years ago
14

Can someone help me? I’ll reward points + brainalist

Mathematics
1 answer:
IceJOKER [234]3 years ago
8 0
<h2>Answer:</h2><h2>2) B. 30</h2><h2>3) B. a triangle with measurements of 2, 3 and 5 inches .</h2>

Step-by-step explanation:

2) 85° = (3x - 5)° <em>[</em><em>Vertically</em><em> </em><em>Opposite</em><em> </em><em>Angles</em><em>]</em>

=> 3x - 5 = 85

=> 3x = 85 + 5

=> 3x = 90

=  > x =  \frac{90}{3}

=> x = 30

<em><u>Hence</u></em><em><u>,</u></em>

<em><u>Required</u></em><em><u> </u></em><em><u>value</u></em><em><u> </u></em><em><u>of</u></em><em><u> </u></em><em><u>x</u></em><em><u> </u></em><em><u>is</u></em><em><u> </u></em><em><u>30</u></em>

3) B. a triangle with measurements of 2, 3 and 5 inches

<em><u>AS</u></em><em><u>,</u></em>

<em><u>Here</u></em><em><u>,</u></em>

2 + 3 = 5.

<em>And</em><em> </em><em>according</em><em> </em><em>to</em><em> </em><em><u>Triangle</u></em><em><u> </u></em><em><u>Inequality</u></em><em><u> </u></em><em><u>Property</u></em><em><u> </u></em><em> </em><em>measurement</em><em> </em><em>of</em><em> </em><em>any</em><em> </em><em>two</em><em> </em><em>sides</em><em> </em><em>of</em><em> </em><em>the</em><em> </em><em>triangle</em><em> </em><em>should</em><em> </em><em>be</em><em> </em><em>greater</em><em> </em><em>than</em><em> </em><em>the</em><em> </em><em>third</em><em> </em><em>side</em><em>. </em>

<em>So</em><em> </em><em>a</em><em> </em><em>triangle</em><em> </em><em>can't</em><em> </em><em>be</em><em> </em><em>made</em><em>.</em>

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trapecia [35]

Answer:

k=1

Step-by-step explanation:

Simplify   1/k

   3     2         1

(((—+2)-(—•k))-4)-(—-2)  = 0

   k     k         k

2.1   Subtracting a whole from a fraction

     2     2 • k

  2 =  —  =  —————

       1       k  

2.2       Adding up the two equivalent fractions

Add the two equivalent fractions which now have a common denominator

1 - (2 • k)     1 - 2k

———————————  =  ——————

    k            k  

Simplify  2/k

3     2        (1-2k)

(((—+2)-(—•k))-4)-——————  = 0

   k     k          k  

Simplify 3/k

 3     2        (1-2k)

(((—+2)-(—•k))-4)-——————  = 0

   k     k          k  

5.1   Adding a whole to a fraction

3                      (1 - 2k)

(((— +  2) -  2) -  4) -  ————————  = 0

   k                         k    

6.1   Subtracting a whole from a fraction

       2     2 • k

  2 =  —  =  —————

       1       k  

7.1   Subtracting a whole from a fraction

3 + 2 • k     2k + 3

—————————  =  ——————

   k           k  

8.1       Adding fractions which have a common denominator

Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

       2     2 • k

  2 =  —  =  —————

       1       k  

9.1     Pull out like factors :

 2 - 2k  =   -2 • (k - 1)

10.1    When a fraction equals zero ...

Where a fraction equals zero, its numerator, the part which is above the fraction line, must equal zero.

Now,to get rid of the denominator, Tiger multiplys both sides of the equation by the denominator.

Here's how:

-2•(k-1)

———————— • k = 0 • k

   k    

Now, on the left hand side, the  k  cancels out the denominator, while, on the right hand side, zero times anything is still zero.

The equation now takes the shape :

 -2  •  (k-1)  = 0

Equations which are never true:

10.2      Solve :    -2   =  0

This equation has no solution.

A a non-zero constant never equals zero.

Solving a Single Variable Equation:

10.3      Solve  :    k-1 = 0

Add  1  to both sides of the equation :

                    k = 1

Step-by-step explanation:

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Jlenok [28]

Answer:

He have left <u>1250 milliliters</u> of sport drink.

Step-by-step explanation:

Given:

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Eduardo drank 250 milliliters of sport drink then he drank another 1/2 liter.

Now, to find the milliliter of sport drink he have left.

Eduardo bought sports drink = 2 litre.

Now, to convert litre into milliliter by using conversion factor:

1 litre = 1000 milliliter.

2 liters = 2 × 1000 milliliters.

2 liters = 2000 milliliters.

<u><em>Thus, Eduardo bought 2000 milliliters sport drink.</em></u>

<u><em>As, Eduardo drank 250 milliliters of sport drink.</em></u>

So, to get the sport drink left after he drank we subtract 250 milliliters from 2000 milliliters:

2000-250\\\\=1750\ milliliters.

<u><em>Thus, 1750 milliliters sport drink left.</em></u>

Now, to get the sport drink left after he drank \frac{1}{2} \ liter we subtract \frac{1}{2} \ liter from 1750 milliliters:

\frac{1}{2} \ liter =500\ milliliters.

So,

1750-500\\\\=1250\ milliliter.

Therefore, he have left 1250 milliliters of sport drink.

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3 years ago
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siniylev [52]

Answer:

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Step-by-step explanation:

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4 years ago
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