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DerKrebs [107]
3 years ago
13

Solve for x and y (x+yi) + ( 4+9i) = 9-4i

Mathematics
1 answer:
tino4ka555 [31]3 years ago
6 0
B is the answer to this question...
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A small bar of gold measures 4 mm by 72 mm by 2 mm. One cubic millimeter of gold weighs about 0.0005 ounces. Find the volume in
Zinaida [17]

Answer:

A small bar of gold measures 40 mm by 25 mm by 2 mm. One cubic millimeter of gold weighs about 0.0005 ounce. Find the volume in cubic millimeters and the weight in ounces of this small bar of gold.

3 0
3 years ago
Please actually help me. ill give brainliest if you explain your answer.
meriva

Answer:

subtract 11 from both sides

Step-by-step explanation:

-3x+11=44

-3x=33

x=-11

4 0
3 years ago
Read 2 more answers
Polygon pqrs is a scaled copy of abcd. name the angel in the scaled copy that corresponds to angle abc.
Olin [163]

The angel in the scaled copy that corresponds to angle abc in the polygon pqrs which is a scaled copy of abcd will be angle pqr.

We have,

As we can see the attached figure,

Scale factor : Scale Factor is the ratio of size of new image formed to the size of old image and the image obtained is the scaled copy.

i.e.,

Scale factor = \frac{Change\ in\ size}{Original\ size}

So,

There are two Polygons abcd and pqrs,

And,

Polygon pqrs is the scaled copy of Polygon abcd,

So,

That means both polygons are similar,

so,

Their corresponding angles will be same,

So

We can say that angle corresponds to angle abc is angle pqr.

Hence, we can say that the angel in the scaled copy that corresponds to angle abc in the polygon pqrs which is a scaled copy of abcd will be angle pqr.

To learn more about scale factor click here

brainly.com/question/4274183

#SPJ4

6 0
2 years ago
A fair coin is tossed 5 times. What is the probability of obtaining exactly 3 heads.
vichka [17]
Coin tossed : 5 times
Heads and 3 times

Probability: 3:5 
3 0
3 years ago
Rewrite the equation in slope intercept form.
sdas [7]

Step-by-step explanation:

The slope-intercept form of an equation of a line:

y=mx+b

m - slope

b - y-intercept

1.\\4x+y=1\qquad|\text{subtract}\ 4x\ \text{from both sides}\\\\y=-4x+1\\\\2.\\x-y=6\qquad|\text{subtract}\ x\ \text{from both sides}\\\\-y=-x+6\qquad|\text{change the signs}\\\\y=x-6\\\\3.\\6x-3y=-9\qquad|\text{subtract}\ 6x\ \text{from both sides}\\\\-3y=-6x-9\qquad|\text{divide both sides by (-3)}\\\\y=2x+3

4.\\-12x-4y=2\qquad|\text{add}\ 12x\ \text{to both sides}\\\\-4y=12x+2\qquad|\text{divide both sides by (-4)}\\\\y=-3x-0.5\\\\5.\\2x+5y=-10\qquad|\text{subtract}\ 2x\ \text{from both sides}\\\\5y=-2x-10\qquad|\text{divide both sides by 5}\\\\y=-0.4x-2\\\\6.\\-x-10y=20\qquad|\text{add}\ x\ \text{to both sides}\\\\-10y=x+20\qquad|\text{divide both sides by (-10)}\\\\y=-0.1x-2

7 0
3 years ago
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