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harkovskaia [24]
3 years ago
7

Simplify. (2x5+x3−3x4−x+8)−(7x5+2x4−12+6x−5x3+x2)

Mathematics
1 answer:
Mkey [24]3 years ago
5 0
-36x+ 20 All you have to do is remove parentheses. 
(36x+12)
-36x+ 20
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Write the equation of each circle given its center and a point P that it passes through
Sedbober [7]

Answer:

(x-1)^2+(y+2)^2=25.

Step-by-step explanation:

If the center of the circle is (1,-2) and the circle passes through the point (4,2), then the radius of the circle is

r=\sqrt{(1-4)^2+(-2-2)^2}=\sqrt{9+16}=5.

The equation of the circle with center (x_0,y_0) and radius r is

(x-x_0)^2+(y-y_0)^2=r^2.

In your case, the equation is

(x-1)^2+(y+2)^2=25.

8 0
3 years ago
Read 2 more answers
Steve has 84 basketball cards,which is 7 times as many as claire.Claire buys 63 more cards,if b is the number of cards that clai
Ganezh [65]

Answer: Value of B= 75  Basketball cards

Step-by-step explanation:

STEP 1

let number of cards Steve has be =a

let number of cards Claire has be =b

STEP 2

Steve has a= 84 basketball cards

Claire has 7 times less than Steve = 84 /7 = 12=b

STEP 3

if Claire buys 63 more cards

The present value of card Clare now has = 12 +63 = 75 basket ball cards=b

4 0
3 years ago
Brainliest to correct quickly plz
fiasKO [112]

Answer:

12/25, 0.25, -6

Step-by-step explanation:

-6 is lower than 0

12/25 is higher than .25 because .25 is 1/4.

4 0
3 years ago
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A white-tailed deer can sprint at speeds up to 30 miles per hour. American bison can run at speeds up to 3,520 feet per minute.
zalisa [80]
A bison is 10 miles per hour faster than a deer
3 0
4 years ago
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What is the measure of arc QR?
riadik2000 [5.3K]

Answer:

answer is the third choice : 104

Step-by-step explanation:

Inscribed Angle Theorem

If an angle is inscribed in a circle, then the measure of the angle equals one half the measure of its intercepted arc.

so the intercepted arc is TWICE the measure of an angle inscribed in a circle

1. A central angle is an angle with endpoints located on a circle's circumference and vertex located at the circle's center. A central angle in a circle determines an arc.

2. An inscribed angle is an angle formed by three points on the circle's circumference.

Angle at the Center Theorem: An inscribed angle is half of the central angle (if they determine the same arc).

In your case angles:

1. ∠QSR is insribed (determines the arc QR);

2. ∠QTR is central (determines the arc QR).

Then by Angle at the Center Theorem, m∠QTR=2m∠QSR=2·52°=104°. Arc QR has the same measure as central angle QSR.

gathmath

brainly.com/question/12799434

brainly.com/question/3432326

http://cms5.revize.com/revize/williamsvilleschools/southhigh/mr_quill/geometry_r/docs/Unit%2013/Unit%2013%20Class%20Notes%20KEY.pdf

3 0
2 years ago
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