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kozerog [31]
2 years ago
14

I need help with this Q4

Mathematics
2 answers:
Norma-Jean [14]2 years ago
4 0

Answer:

3(6+5) is your answer.

I think it will help you.

AlladinOne [14]2 years ago
4 0
The second one for sure 3(6+5)
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The radius of the circle whose equation is (x-3)^2 + (y+1)^2 = 16 is
Firdavs [7]

Answer:

4

Step-by-step explanation:

The general equation of a circle with center (a, b) and radius r is given by the equation;

(x-a)^{2}+(y-b)^{2}=r^{2}

The constant in the right hand side of the equation is simply the square of the radius;

We have been given the following equation;

(x-3)^2 + (y+1)^2 = 16

Comparing this with the general equation above;

r^{2}=16\\\\r=\sqrt{16}=4

4 0
3 years ago
Can someone help me please
mojhsa [17]

Answer:

0.19 50% 15/20 9/10 95%

Step-by-step explanation:

I know

7 0
3 years ago
Please Help FAST! SOLVE EACH! Can I get step by steps also so I can understand thx I’ll mark brainlist also!!!
professor190 [17]
X-6y=6 slope: 1/6 y-intercept (0,1)

X= 0,6 y= -1, 0
X+3y+12=0 slope: 1/3
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8a-9b= 9/8 slope (0 ,7/8) x= -1,1 Y= -1/4,2
3a+b=7 1/3 (0,7/3) x= 4,7 Y=1,0

7 0
3 years ago
Three rectangular tables are placed end to end to form one long table 7.8 meters long. The lengths of two of the tables are 3.5
WARRIOR [948]

The length of the third smallest table is 1.6 because 7.8 is more than 3.5 and 3.5 is more than 1.6,

5 0
3 years ago
Find all solutions for the following equations. Write your answers in radians using exact values. (Enter your answers as a comma
sasho [114]

Answer:

Step-by-step explanation:

Given that:

sin2xcos x + cos2xsin x = -1

Recall that;

SInAcosB + cosASinB = SIn (A+B)

SIn (2x +x) = -1

Sin (3x) = -1

x = \bigg [\dfrac{Sin ^{-1} (-1)}{3}  \bigg ]

x = \dfrac{\pi}{2} + \dfrac{2 \pi \ k}{3}

x = \dfrac{\pi}{2}, \dfrac{7 \pi}{6}, \dfrac{11 \pi}{6}

5 0
3 years ago
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