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Aleks [24]
4 years ago
10

Help me please :''c​

Mathematics
1 answer:
wlad13 [49]4 years ago
8 0

Answer:

9) QR = 4.0

10) AC = 4.1

Step-by-step explanation:

Tan = Opps. / Adj.

9)

Tan(60) = 7 / QR

QR = 7 / Tan(60)

QR = 7 / 1.732

QR = 4.0415

QR = 4.0

10)

Tan (27) = AC / 8

AC = Tan(27) * 8

AC = 0.5095 * 8

AC = 4.076

AC = 4.1

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Evaluate The diagram below.<br> Given: straight lines AD and CE.<br> HELP ASAP‼️‼️
jenyasd209 [6]

Answer:

<CFD =62°

<AFB= 90°

Step-by-step explanation:

here you have a vertical angle, so to simply put it the answer on one side of the angle is the same answer for the opposite side of the angle. knowing this, angle <AFE is 62° and <CFD is on the opposite side making the angle the same(62°). the opposite angle of <AFB is <EFD which is 118° but both <AFB and <AFC equal 118° so you subtract 118° to <AFC degree which is 28° and you get 90°.

i hope this makes sense im not good at explaining. if anyone has a better explanation feel free to correct me.

6 0
3 years ago
A square picture frame with each side length represented by 3x -
Mariulka [41]

Answer:

D. 4(3x-5) = 52

Step-by-step explanation:

52 is equal the sum of one side multiplied by 4

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6 0
3 years ago
Find the slope-intercept form of the equation of the line passing through the given points.
Ugo [173]
The\ slope-intercept\ form:y=mx+b\\\\The\ slope-point\ form:y-y_1=m(x-x_1)\\\\m=\dfrac{y_2-y_1}{x_2-x_1}

(1;\ 1)\to x_1=1;\ y_1=1\\\left(3;-\dfrac{1}{5}\right)\to x_2=3;\ y_2=-\dfrac{1}{5}.\\\\Subtitute:\\\\m=\dfrac{-\frac{1}{5}-1}{3-1}=\dfrac{-1\frac{1}{5}}{2}=-\dfrac{\frac{6}{5}}{2}=-\dfrac{\not6^3}{5}\cdot\dfrac{1}{\not2_1}=-\dfrac{3}{5}


y-1=-\dfrac{3}{5}\left(x-1\right)\\\\y-1=-\dfrac{3}{5}x+\dfrac{3}{5}\ \ \ \ |add\ 1\ to\ both\ sides\\\\\boxed{y=-\frac{3}{5}x+1\frac{3}{5}}


5 0
4 years ago
Please help! asap! will give brainist to the first correct answer!
Gekata [30.6K]

Answer:

224 cubes

Step-by-step explanation:

1. Find the area: 2 * 1 *7/4 = <em>7/2 cm³</em>

2. Find how many cubes fit into 1 cm³: 4 * 4 * 4 = <em>64 cubes</em>.

3. Multiply the two numbers: 7/2 * 64 = 224 cubes.

5 0
3 years ago
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