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Oxana [17]
2 years ago
10

FLIP THE PICPLEASE HELP MEEEEEEEEEEEEEEEEEEEE​

Mathematics
1 answer:
Liula [17]2 years ago
3 0

Answer:

18.21 cm^2.

Step-by-step explanation:

Area of the unshaded part

= area of the square - area of the quadrant

= 7^2 - 1/4 pi *7^2

= 49 - 30.788

= 18.21 cm^2.

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cos (x/2) = -sqrt2/2 in (0,360) looking for two values ?? Can someone please help me I can’t seem to figure out how to solve thi
ValentinkaMS [17]

Answer:

135° and 225°

Step-by-step explanation:

basically you want to find the value of x between 0 and 360 in this equation

cos x/2 = -(√2)/2

assume x/2 as n, so

cos n = -(√2)/2

n = 45°

then remember the quadrant system

0-90 1st quadrant, all is POSITIVE

90-180 2nd quadrant, only SIN has positive value

180 - 270 3rd quadrant, only TAN has positive value

270 -360 4th quadrant, only COS positive here.

so if you try to find negative value look into 2nd and 3rd quadrant that related 45° to x-axis (0°or 180°)

so the value of x is

180 - 45 = 135° (2nd quadrant) and

180 + 45° = 225° (3rd quadrant)

8 0
2 years ago
Solve for x<br>1. 3(x - 3) &lt; 2x – 11​
Anni [7]
I’m sure the answer is x=19
5 0
2 years ago
Find x in this proportion. x/3 = x+2/5
postnew [5]
The answer x = -3/5. hope that helps!
5 0
2 years ago
Read 2 more answers
What is the volume of the triangular prism? *
SVETLANKA909090 [29]

Answer: 144

Step-by-step explanation:

No need explanation

8 0
3 years ago
Read 2 more answers
Cans of frozen orange juice are weighed to ensure they are not underfilled. Cans are independent, and the probability that a can
olga2289 [7]

Answer: 0.999986176

Step-by-step explanation:

To solve this, the probability distribution formula for selection will be used

Where P(x=r) = nCr * p^r * q^n-r

To get the probability that all 3cans are not overfilled, since the probability of success given in the question is that of a can being overfilled, then we will first derive the probability of having exactly 3cans being overfilled and subtract this gotten answer from 1

n= 3, r=3, p=0.024, q=1-0.024=0.976

When, 3 cans are overfilled, P(x=3) becomes:

P(x=3) = 3C3 * 0.024^3 * 0.976^0

P(x=3) = 1 * 0.000013824 * 1

P(x=3) = 0.000013824.

Then, probability that all three cans are not overfilled becomes :

1 - 0.000013824. = 0.999986176,

7 0
3 years ago
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