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Aloiza [94]
3 years ago
8

What are the x- and y-coordinates of point C, which partitions the directed line segment from A to B into the ratio 5:8? Round t

o the nearest tenth, if necessary.
x = (StartFraction m Over m + n EndFraction) (x 2 minus x 1) + x 1

y = (StartFraction m Over m + n EndFraction) (y 2 minus y 1) + y 1

(–2.2, –6.3)
(–2.4, –6.4)
(2.7, –0.7)
(1.2, –4.7)
Mathematics
2 answers:
alexgriva [62]3 years ago
8 0

Answer:

D

Step-by-step explanation:

just took the test on edg

s2008m [1.1K]3 years ago
7 0

Answer: D) (1.2,-4.7)

Step-by-step explanation:

plug in the end corrdinates like it says in the equation that the problem gives you.

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What is the perimeter of a rectangle that is 14 feet long and 8 feet wide?
g100num [7]
Perimeter = Length+Length+Width+Width
OR
Perimeter = 2Length + 2Width
They will both get you the same answer.

Length = 14
Width = 8
P = 14 + 14 + 8 + 8 = 44 feet

Answer: D. 44 Feet


5 0
3 years ago
Solve the equation sin x + cos x=cos 2x for 0 27. x
vodka [1.7K]

Answer:

x=\frac{\pi}{4} and x=-\frac{3\pi}{4}

Step-by-step explanation:

We are given that sin x+cos x=cos 2x

We have to solve the given equation for 0\leq x\leq 2\pi

sin x+cos x=cos^2x-sin^2x

Because cos 2x=cos^2-sin^2

sinx+cos x=(sinx +cos x)(sinx-cos x)

1 =sin x-cos x

sin x=cos x

\frac{sinx }{cos x}=1

tan x=1

tan x=\frac{sinx}{cos x}

tan x=tan\frac{\pi}{4}

x=\frac{\pi}{4}

Tan x is positive in I and III quadrant

In III quadrant angle\theta  replace by \theta -\pi

Therefore, tan x=tan (\frac{\pi}{4}-\pi)=tan\frac{\pi-4\pi}{4}=tan\frac{-3\pi}{4}

x=-\frac{3\pi}{4}

8 0
3 years ago
The expression below is scientific notation for what number
Pie
0.000334 is the answer
8 0
3 years ago
Read 2 more answers
How many decimeters are in 3.5 dekameters? Use the metric table to help answer the question.
Ivahew [28]

350 decimeters are there in 3.5 decameter

<em><u>Solution:</u></em>

We have to find the decimeters in 3.5 decameters

<em><u>Use the metric table:</u></em>

1 kilometre (km) = 10 Hectometres (hm) = 1000 m

1 Hectometre (hm) = 10 Decametres (dcm) = 100 m

1 Decametre (dcm) = 10 Metres (m)

1 Metre (m) = 10 Decimetres (dm) = 100 cm = 1000 mm

1 Decimetre (dm) = 10 Centimetres (cm)

1 decimeter = 0.1 meter

1 Centimetre (cm) = 10 Millimetres (mm)

1 centimeter = 0.01 meter

1 millimeter = 0.001 meter

From above metric table, we find that

100 decimeter = 1 decameter

Then, convert 3.5 decameter to decimeter

100 x 3.5 decimeter = 3.5 x 1 decameter

350 decimeter = 3.5 decameter

Thus 350 decimeters are there in 3.5 decameter

5 0
3 years ago
One day is about 0.00274 years. How is this expressed in scientific notation?
Verdich [7]

Answer: C

Step-by-step explanation:

3 0
3 years ago
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