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sladkih [1.3K]
3 years ago
8

I need Someone’s HELP!

Mathematics
1 answer:
Veronika [31]3 years ago
6 0

Answer: I would choose option 3 for the 9th question

Step-by-step explanation:

1). Download "Photomath" XD

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Help needed for MATH problem
vivado [14]

Answer:

1/ 10 ; 1/15

Step-by-step explanation:

Given that:

Fraction with brown hair = 2 /5

1/4 of brown haired girls have long hairs

2/3 of long, brown haired girls have green eyes.

Fraction of girls with long, brown hair :

1/4 of 2/5

1/4 * 2/5 = (1*2) / (4*5) = 2/ 20 = 1/10

Fraction with long, brown hair and green eyes :

2/3 of Fraction with long, brown hair :

2/3 of 1/10

2/3 * 1/10 = (2*1) / (3*10) = 2/30 = 1/15

5 0
3 years ago
R(-5, 5) S(1, 7) T(2, 4) U(-4, 2)
natali 33 [55]
Would you like to solve this problem or give you the description of it
4 0
3 years ago
Substitution<br> 1.y=-5x-19<br> y=-6x-24<br><br> 2.y=-6x-22<br> y=-3x-10
omeli [17]

Answer:

1. y=5 and x=-5

2. y=2 and x=-4

Step-by-step explanation:

1.y=-5x-19

y=-6x-24

since both equations are equal to y, they are also equal to eachother

-5x-19=-6x-24

addition P.O.E.

x-19=-24

addition P.O.E.

x=-5

substitute x into one equation

y=-5*-5-19

y=6

2. y=-6x-22

y=-3x-10

since both equations are equal to y, they are also equal to eachother

-6x-22=-3x-10

addition P.O.E.

-22=3x-10

addition P.O.E.

-12=3x

division P.O.E.

-4=x

substitute x into one equation

y=-3*-4-10

y=2

5 0
3 years ago
No Solutions
svetoff [14.1K]
\left[x \right] = \left[ 0\right][x]=[0]
8 0
3 years ago
a ship leaves port on a bearing of 44.0 degrees, and travels 11.4 mi. the ship turns east and travels 6.2 mi. How far is the shi
Rudik [331]

Based on the information provided, \overrightarrow{r} = at a bearing angle of = 59.88° .

We are requested to calculate the overall displacement of the ship, both in magnitude and direction, once it departs the harbor under the stated parameters. First, let's define a bearing.

<h3>What is bearing in the context given above?</h3>

Angles are generally measured anticlockwise from the positive x-axis, whereas bearing angles are evaluated clockwise from the positive y-axis. A bearing is NOT a standard angle measuring tool.

Therefore, a bearing of 44.0° indicates that this is an angle 90.0° - 44.0° = 46°. This is the angle to be used in the calculations.

We're given that the first displacement is 11.4° at an angle of 46° (which was computed earlier).

Step 1  - Split the above into components

x1 = 11.4 Cos 46°

= 7.92m

y1 = 11.4Sin 46.0°

= 11.4 * 0.71933980033

= 8.2m

The second displacement is a simple 6.2mi due east, that is, the positive

x-direction. The components are thus:

Δx = x1 + x2

= 7.92 + 6.2

= 14.12mi

Δy = 1 + y2

= 8.2 + 0

= 8.2

r = √(x total)² + (y total)²

=√[(14.21)²+(8.2)²]

= √(201.9241 +67.24)

= √269.1641

= 16.4mi

The direction of the displacement vector is given by:

tan Ф = (Δy)/(Δx)

= arctan (8.2/14.12)

= arctan (0.5807365439)

= 30.12°

Recall that we were asked for the bearing angle. The bearing angle is what we get when we subtract 30.12° from 90°.

That is:
= 90 - 30.12

= 59.88°

Learn more about bearing angle:
brainly.com/question/22719608
#SPJ1

7 0
1 year ago
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