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Llana [10]
3 years ago
15

#7 with that triangle

Mathematics
1 answer:
Lisa [10]3 years ago
7 0
DE equals 7.5 centimeters. You divide 5 by 2, line CA by CB, and get 2.5 which is the zoom factor. Then multiply 3 by 2.5 to get DE.
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PLS PLS HELP WILL GIVE 50 POINTS TO BRAINLIEST How do you find the radius of a circle with the equation: 03.5 (x+2.2)^2 + 3.5 (y
alexgriva [62]

Answer: r=√6 or r≈2.45.

Step-by-step explanation:

To find the radius, you first need to know the equation of a circle.

Equation of a circle: (x-h)^2+(y-k)^2=r^2

Now that we know the equation of the circle, we can use it to find the radius of the given equation.

3.5(x+2.2)²+3.5(y-11.1)²-21=0

So far the equation looks pretty similar with the exception of the bolded areas. To get rid of them, we need to use our algebraic properties.

3.5(x+2.2)²+3.5(y-11.1)²-21=0                    [add both sides by 21]

3.5(x+2.2)²+3.5(y-11.1)²=21                       [factor out 3.5]

3.5((x+2.2)²+(y-11.1)²)=21                           [divide both sides by 3.5]

(x+2.2)²+(y-11.1)²=6

Now, our equation is the same as the one posted above. You may think that 6 is our radius, but if you look closely, the equation is equal to r². Therefore, 6 is actually r², not r.

r²=6                                                             [square root both sides]

r=√6

Finally, we have the final answer, r=√6 or r≈2.45.

7 0
3 years ago
Which is the same as moving the decimal point 3 to the right in a decimal number
natima [27]
200,000 because every decimal adds on
4 0
3 years ago
Which is the value of the 8th term in the sequence 4,8,16,32...?
OLga [1]

Answer:

The answer  is 512

Step-by-step explanation:

4) 32 x 2=60

5) 64 x 2= 128

6) 128 x 2= 256

7) 256 x 2 = 512

8) answer - 512x2=1,024

Multiply each product by 2!

8 0
3 years ago
Pleassee show your work
Elenna [48]

Answer:

Step-by-step explanation:

The slope intercept form of a line is y=mx+b where m=slope and b=y intercept. So we should solve for y.

3x/5+25y=10, multiply all terms by 5 and the denominator cancels out

3x+125y=50, subtract 3x from each side

125y=-3x+50, divide both sides by 125

y=(-3+50)/125

slope=m=-3/125

y intercept=b=2/5

4 0
3 years ago
Manny is on vacation in France he has rented a car to drive to 233.3 km from Paris to Brussels and wants to figure out the dista
IRINA_888 [86]

Answer:

Manny will drive about 145 miles

Step-by-step explanation:

we know that

1 km=0.62 mi

so

To convert 233.3 km to miles

Multiply 233.3 by 0.62

233.3\ km=233.3*0.62=144.646\ mi

Round to the nearest mile

144.646=145\ mi

therefore

Manny will drive about 145 miles

7 0
3 years ago
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