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RUDIKE [14]
3 years ago
5

Please answer this 18-34+49×200÷2​

Mathematics
1 answer:
Kazeer [188]3 years ago
7 0
4884

.................
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What is the best approximation of the length of segment QS? (Note: cos 80° = 0.17)
LuckyWell [14K]

Answer:

Length of the segment QS = 11.76 cm

Step-by-step explanation:

We are given with right angle triangle QRS

Angle S is 80 degree and RS = 2 cm

We need to find out QS

RS is adjacent to angle S, so we use cos formula

Cos (A) = \frac{adjacent}{hypotenuse}

Cos (S) = \frac{RS}{QS}

Plug in the angle and RS

Cos (80) = \frac{2}{QS}

Given cos(80) = 0.17

0.17= \frac{2}{QS}

Multiply by QS on both sides

0.17 * QS = 2

Divide by 0.17 on both sides

QS= 11.76470588

Length of the segment QS = 11.76 cm

6 0
3 years ago
In the diagram m<4 is (7x+7),m<2 is (4x+4), and <3 is (4x ? 9). what are m<4 and m<1
kykrilka [37]

Answer:

Step-by-step explanation:

7x-11=4x+4(being vertically opposite angles)

7x-4x=4+11

3x=15

x=15/3

x=5

angle 2+angle1=180 degree(being straight line)

7x-11+angle 1=180

7*5-11+angle 1=180

35-11+angle1=180

24+angle 1=180

angle 1=180-24

angle 1=156 degree

3 0
2 years ago
XYZ Phone service charges $0.12 per minute with a monthly charge of $6.95. This fee is valid 24 hours, 7 days a week. ABC Phone
4vir4ik [10]
If it was me i would say XYZ

4 0
3 years ago
One ballispicked at random from a box containing 3redballs and 1green balls. If X is the number of redballs picked, find the pro
Paladinen [302]

Answer:

P(X = 0) = 0.25

P(X = 1) = 0.75

Step-by-step explanation:

A probability is the number of desired outcomes divided by the number of total outcomes.

The probability distribution of X.

3 red balls out of 4, one picked, so we can have either 0 red balls or 1 red ball. The probability disitribution is the probability of each outcome.

P(X = 0) = \frac{1}{4} = 0.25

P(X = 1) = \frac{3}{4} = 0.75

6 0
3 years ago
AB and DE are chords that intersect at point F inside circle C as shown. If the measure of arc EA
barxatty [35]

Answer:

Do you have an image of the circle? I might be able to help with that.

4 0
4 years ago
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