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Mice21 [21]
3 years ago
11

If quadrilateral ABCD rotates 90° counterclockwise about the origin, what are the coordinates of A′ in quadrilateral A′B′C′D′ ?

Mathematics
1 answer:
Mrac [35]3 years ago
4 0

Answer:

(-2,-1)   after the original point (2,1) goes through the change of -y,x

Step-by-step explanation:

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What is the predecessor of 2,777
ryzh [129]

Answer:

2,776

Step-by-step explanation:

the name <u>pre</u>decessor means <u>before</u> hence  the number just before 2777.

5 0
3 years ago
Help ASAP please
mr Goodwill [35]

Answer:

19cm

Step-by-step explanation:

x * 5x = 1805

5x ^2 = 1805

x^2 = 361

square root of that is 19

5 0
3 years ago
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Two spherical balloons are filled with water. The first balloon has a radius of 3 cm, and the second has a radius of 6 cm.
lana [24]
<span>Sphere Volume   = </span><span>  4/3 • <span>π <span>• r³<span>

Small Balloon = </span></span></span></span><span>4/3 • 3.14<span> <span>• 3^3

</span></span></span><span>Small Balloon = 37.68 cc

Large Balloon =  </span><span>4/3 • 3.14<span> • 6^3</span></span>

Large Balloon =  <span> <span> <span> 904.32  </span> </span> </span> cc

<span> <span> <span> <span> Difference = (904.32 -</span></span></span>37.68) = </span> <span> <span> <span> 866.64 </span> </span> </span> cc

The larger balloon has <span> <span> <span> 866.64 </span> </span> </span> cc more water than the small balloon.


4 0
3 years ago
Solve the inequality. –6 &lt; 2x – 4 &lt; 4
Darya [45]

Answer:

–1 < x < 4

Step-by-step explanation:

Let's solve your inequality step-by-step.

−6<2x−4<4

−6+4<2x−4+4<4+4(Add 4 to all parts)

−2<2x<8

(−2 /2) < (2x /2 )<  (8 /2)

(Divide all parts by 2)

−1<x<4

6 0
4 years ago
The sum of two consecutive numbers is 89. What are the two numbers? A. 43 and 46 B. 44 and 45 C. 38 and 51 D. 45 and 46
Nina [5.8K]

Answer:

C

Step-by-step explanation:

Its C

3 0
3 years ago
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