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3 years ago

Construct a triangle ABC if AB = 4 cm, BC = 5 cm and Y = 30 °, then enter a circle

Mathematics

2 answers:

Alika [10]3 years ago

6 0

The answer is CBD.. the one i got in diss bluhnt

victus00 [196]3 years ago

3 0

Answer:

Refer to the attachment $\Huge {\nearrow}$

<h3>Can't understand diagram? Don't worry </h3>

See the Latex diagram coded below on web

<h3><u>Diagram</u><u>:</u><u>-</u> $\Huge {\downarrow}$ </h3>

$\setlength{\unitlength}{1cm}\begin{picture}(20,15)\thicklines\qbezier (1,0)(1,0)(7,0)\qbezier(1,0)(1,0)(2,3)\qbezier (7,0)(7,0)(2,3)\put (0.5,-0.2){\sf X}\put(7.1,-0.2){\sf Y}\put(2,3.2){\sf Z}\end{picture}$

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the volume of the a sphere whoes diameter is 18 cm is cubic cm . if it's diameter were reduced by half, it's volume would be of

FrozenT [24]

Answer:

The new volume is 8 times smaller than the original volume

Step-by-step explanation:

we know that

If two figures are similar, then the ratio of its volumes is equal to the scale factor elevated to the cube

Let

z-----> the scale factor

x ----> the volume of the reduced sphere

y ----> the volume of the original sphere

$z^{3}=\frac{x}{y}$

we have

$z=1/2$ ----> scale factor

substitute

$(1/2)^{3}=\frac{x}{y}$

$(1/8)=\frac{x}{y}$

$x=\frac{y}{8}$

therefore

The new volume is 8 times smaller than the original volume

Verify

The volume of the original sphere is

$r=18/2=9\ cm$ ---> the radius is half the diameter

$V=\frac{4}{3}\pi (9)^{3}=972\pi \ cm^{3}$

the volume of the reduced sphere is

$r=9/2=4.5\ cm$ ---> the radius is half the diameter

$V=\frac{4}{3}\pi (4.5)^{3}=121.5\pi \ cm^{3}$

Divide the volumes

$972\pi \ cm^{3}/121.5\pi \ cm^{3}=8$

4 0

3 years ago

AB = BC, BC = CD, so AB = CD. Which property allows us to make this conclusion?

a_sh-v [17]

Answer:

Step-by-step explanation:

6 0

3 years ago

BEST ANSWER GETS BRAINLY (EMERGENCY)

MrRissso [65]

Answer:

Part A: 5

Part B: 2

Step-by-step explanation:

to find the mean all you have to do is add all the numbers together and then divide it by how many numbers there are in the data set

3+4+4+4+5+6+6+8=40

40÷8=5

so the mean is 5

next to find the mean of absolute deviations you need to subtract each number in the data set from the mean then divide it by how many numbers are in the data set (if you get a negative like 6-5=-1 just take away the negative sign to make it positive)

5-3=2

5-4=1

5-5=0

6-5=-1

8-5=-3

2+1+1+1+0+1+1+3=10

10÷5=2

so the mean absolute deviation is 2

4 0

3 years ago

Read 2 more answers

I need help with this question please

Art [367]

9514 1404 393

Answer:

Step-by-step explanation:

The sum of the measures of the two given arcs is 180°, the measure of semicircle ADC. Using this fact, we can find x and the measure of DC.

AD +DC = 180

(19x -49) +(5x +37) = 180

24x = 192 . . . . . . . . . . . add 12, simplify

x = 8 . . . . . . . . . . divide by 24

Then the measure of DC is ...

DC = 5x +37 = 5(8) +37 = 40 +37

DC = 77

8 0

2 years ago

the standard bag is 21in wide at the base. what scale factor is needed to make a bag with a base width of 7in

Arte-miy333 [17]

Dividing 21 by 7 will give to the proportion of 1:3 which is your scale for the bag with the 7inch base

4 0

3 years ago

Read 2 more answers

Construct a triangle ABC if AB = 4 cm, BC = 5 cm and Y = 30 °, then enter a circle​

Construct a triangle ABC if AB = 4 cm, BC = 5 cm and Y = 30 °, then enter a circle