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alekssr [168]
3 years ago
7

Select the coin which cannot be used by itself to count 0.75.

Mathematics
1 answer:
cestrela7 [59]3 years ago
3 0
It is a dime cause a dime is 10¢ and you cannot divide 75 by 10 you get a decimal
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X^=1/4 please help me pls
viva [34]
X^2=1/4

x=1/2 or -1/2
x=.5 or -.5
4 0
3 years ago
Find the 7th term in the sequence?<br> 1/3,1,3,9
schepotkina [342]

Answer:

27 64 213 1004

Step-by-step explanation:

its 3 by 3 so its 213

3 0
3 years ago
Find the area of each shaded region each outer polygon is regular <br><br><br> See the picture
PSYCHO15rus [73]

Answer:

Area of the shaded region = 3.46 square units

Step-by-step explanation:

Measure of the interior angle of a regular polygon = \frac{(n - 2)\times180}{n}

From the picture attached,

Number of sides of the given polygon 'n' = 6

Interior angle (∠BAF) of the given polygon = \frac{(6 - 2)\times 180}{6}

                                                                       = 120°

Measure of ∠BAC = \frac{120}{4}

                              = 30°

Now we apply sine rule in ΔAGB,

sin(30°) = \frac{\text{Opposite side}}{\text{Hypotenuse}}

            = \frac{BG}{AB}

BG = AB[sin(30°)]

     = 2\times \frac{1}{2}

     = 1

By applying cosine rule in ΔABG,

cos(30°) = \frac{\text{Adjacent side}}{\text{Hypotenuse}}

              = \frac{AG}{AB}

AG = AB[cos(30°)]

     = 2\times \frac{\sqrt{3} }{2}

     = \sqrt{3}

AC = 2(AG)

     = 2√3

Area of ΔABC = \frac{1}{2}(\text{Base})(\text{Height})

                       = \frac{1}{2}(AC)(BG)

                       = \frac{1}{2}(2\sqrt{3} )(1)

                       = \sqrt{3}

Area of the shaded region = Area of ΔABC + Area of ΔFED

                                             = 2(Area of ΔABC)

                                             = 2√3

                                             = 3.46 square units

6 0
3 years ago
Solve by completing the square.
rosijanka [135]
7 and 1 i hope u can see

8 0
3 years ago
First, rewrite 14/25 and 11/20 so that they have a common denominator. Then, use &lt;, =, &gt;
muminat

Answer: 14/25 = 56/100

               11/20 =  55/100

               14/25 > 11/20

Step-by-step explanation:

The least common multiple of 20 and 25 is 100.

(100 = 20*5, 25*4)

So we can take the common denominator 100.

14*4/25*4 =56/100. ∴14/25 = 56/100

11*5/20*5  =55/100. ∴11/20  = 55/100

56>55

∴56/100 > 55/100

∴14/25 > 11/20

Hope it's good;)

7 0
3 years ago
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