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Ksju [112]
1 year ago
9

Please help!!!!!!!!!!!!

Mathematics
1 answer:
vladimir1956 [14]1 year ago
7 0

Answer:

use a calculator

Step-by-step explanation:

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Answer this: Solve for X
Roman55 [17]

Answer:

x=27

Step-by-step explanation:

3x+9 is a right angle because 3x+9 + a right angle make a straight line

3x+9 +90 = 180

Subtract 90 from each side

3x+9 = 90

We now can solve for x

3x+9-9 = 90-9

3x = 81

Divide each side by 3

3x/3 = 81/3

x=27

7 0
3 years ago
Read 2 more answers
There are twelve signs of the zodiac. How many people must be present for there to be at least a 50% chance that two or more of
Nutka1998 [239]

Answer:

5

Step-by-step explanation:

Given that each zodiac sign occupies 1/12 of a year.

Then the minimum number of persons for Y[all different signs] < 0.5,

The probability of at least two having the same sign is 1 minus the probability of all having different signs.

This can be represented as A [at least 2 person share the same sign] = 1 - Y[all different signs] must be > 0.5

Therefore we have 1 - 12/12 *11/12 * 10/12 *9/12 *8/12 = 0.38

This implies that the lowest number will be found to be 5

Hence, the correct answer is 5.

4 0
2 years ago
A rectangle has an area of 36 square centimeters and a length of 9 centimeters.
melamori03 [73]

<span>area = length * width</span><span />

<span>Therefore, width =  \frac{area}{length}</span>

<span /><span>width =  \frac{36}{9}</span>

<span /><span>Width = 4cm
</span>

5 0
3 years ago
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Ariel has a plastic ice cream cone in her food playset. The ice cream cone is a half-sphere sitting on top of a cone. What is th
dsp73

52 Step-by-step explanation:

4 0
2 years ago
Can someone help me with these both
Anna [14]
Hello,
so all you have to do is match the abbreviations to the triangles. The abbreviations stand for what is the SAME in both triangles, denoted by similar markings on equal sides and angles.

Abbreviations:
SSS = Side-Side-Side
SAS = Side-Angle-Side
ASA = Angle-Side-Angle
AAS = Angle-Angle-Side
HL = Hypotenuse-Leg

* Note - the angle side angle must go around the triangle in that order. ASA has the side BETWEEN the congruent angles.. SSA does NOT work.

(9.) ASA
(10.) AAS
(11.) SSS
(12.) No way to tell if congruent. (only 3 angles no side)
(13.) ASA
(14.) SAS
(15.) HL

7 0
3 years ago
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