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Daniel [21]
3 years ago
10

Help will give brainliest to person who gets it right

Mathematics
2 answers:
Snezhnost [94]3 years ago
8 0

Answer:

104

Step-by-step explanation:

60/3 = 20

Shoes = 20

30-20 = two weird people

two weird people = 10

one weird person = 5

9-5 = 4

two pairs of glasses = 4

one pair of glasses = 2

42 - 20 - 2 = 20

gloves = 20

shoe + (weird person + glasses + pair of shoes) x glasses = ?

10 + (5 + 2 + 20 + 20) x 2 = 20

10 + 47 x 2 = 104

10 + 94 = 104

I hope you understand this now!

Y_Kistochka [10]3 years ago
7 0

Answer:

104

Step-by-step explanation:

Two shoes=20

Guy= 5

Glasses= 2

Boxing glove= 20

One shoe+guy with shoes, glasses, and gloves*glasses=104

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CKPenny is selling 50 coats. Each coat with a hood have 5 buttons and each coat without a hood have 10 buttons. If there are 400
dexar [7]

Answer:

40 coats don't have hoods

7 0
3 years ago
A circle's area is directly proportional to its radius squared.
motikmotik

9514 1404 393

Answer:

  3.14

Step-by-step explanation:

The formula for the area of a circle is ...

  A = πr²

The constant of proportionality is the constant in this equation: π. To two decimal places, the value of π is 3.14.

The constant of proportionality is about 3.14.

5 0
3 years ago
Twelve members of a band purchase one beverage each during a break at practice. Exactly 5 of the 12 members bought bottled water
Hoochie [10]

Answer:

70

Step-by-step explanation:

You have to use ratios.  If 5 of 12 members bought water, then x of 168 members will buy water.

\frac{5}{12}  = \frac{x}{168}\\12x = 840\\x = 70

70 members will buy bottled water.

8 0
3 years ago
Can anybody show me how to do this half angle identity problem STEP BY STEP? I always seem to be missing something
klio [65]

Answer:   \bold{-\dfrac{7\sqrt2}{10}}

<u>Step-by-step explanation:</u>

It is given that θ is between 270° and 360°, which means that θ is located in Quadrant IV ⇒ (x > 0, y < 0).  Furthermore, the half-angle will be between 135° and 180°, which means the half-angle is in Quadrant II ⇒ cos\ \dfrac{\theta}{2}

It is given that sin θ = -\dfrac{7}{25}  ⇒  y = -7 & hyp = 25

Use Pythagorean Theorem to find "x":

x² + y² = hyp²

x² + (-7)² = 25²

x² + 49 = 625

x²         = 576

      x   =  24    

Use the "x" and "hyp" values to find cos θ:

cos\ \theta=\dfrac{x}{hyp}=\dfrac{24}{25}    


Lastly, input cos θ into the half angle formula:

cos\bigg(\dfrac{\theta}{2}\bigg)=\pm \sqrt{\dfrac{1+cos\ \theta}{2}}\\\\\\.\qquad \quad =\pm \sqrt{\dfrac{1+\dfrac{24}{25}}{2}}\\\\\\.\qquad \quad =\pm \sqrt{\dfrac{\dfrac{25}{25}+\dfrac{24}{25}}{2}}\\\\\\.\qquad \quad =\pm \sqrt{\dfrac{\dfrac{49}{25}}{2}}\\\\\\.\qquad \quad =\pm \sqrt{\dfrac{49}{50}}\\\\\\.\qquad \quad =\pm \dfrac{7}{5\sqrt2}}\\\\\\.\qquad \quad =\pm \dfrac{7}{5\sqrt2}}\bigg(\dfrac{\sqrt2}{\sqrt2}\bigg)\\\\\\.\qquad \quad =\pm \dfrac{7\sqrt2}{10}

Reminder: We previously determined that the half-angle will be negative.

6 0
3 years ago
A mother explains to her child that the price on the sign is not the total price for an oil painting, because the price does not
dlinn [17]

Answer:

Or u cld simply just say 945 - 875 = 70

3 0
2 years ago
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