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Gennadij [26K]
2 years ago
8

Simplify (5+1)^2-(11+3^2) divides by 4

Mathematics
1 answer:
Shkiper50 [21]2 years ago
5 0

Answer:

4

Step-by-step explanation:

(5+1)^2−(11+3^2) / 4 = 4

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Complete the equation of the line through (3,-8)(3,−8)left parenthesis, 3, comma, minus, 8, right parenthesis and (6,-4)(6,−4
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y=mx+b
(3;-8)\rightarrow x=3;\ y=-8;\ (6;-4)\rightarrow x=6;\ y=-4

substitute:\\\\  \left\{\begin{array}{ccc}-8=3m+b\\-4=6m+b&|\cdot(-1)\end{array}\right\\\\\underline{+\left\{\begin{array}{ccc}-8=3m+b\\4=-6m-b\end{array}\right}\ \ \ |add\ both\ sides\\.\ \ \ \ -4=-3m\ \ \ |:(-3)\\.\ \ \ \ m=\dfrac{4}{3}\\\\substitute\ the\ value\ of\ m\ to\ first\ equation:\\\\3\cdot\dfrac{4}{3}+b=-8\\\\4+b=-8\ \ \ |-4\\b=-12\\\\Answer:\boxed{y=\dfrac{4}{3}x-12}
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Find the surface area of the regular pyramid.<br><br><br><br><br> mm2 help meeeee pls
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\bold{ANSWER:}
1240.4 mm^2

\bold{SOLUTION:}

7 0
2 years ago
J is 14 less than 22 solve for j and find the equation
Bumek [7]

Answer:

j=8

Step-by-step explanation:

22-14=8

4 0
2 years ago
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7) At the beginning of the weekend a swimming pool contains 1,800 gallons of water. Every hour 7 gallons are splashed
MaRussiya [10]

Answer:

1,800g=7h

(I don't see answer choices, I don't know if there's supposed to be any.)

4 0
3 years ago
The face of a clock is divided into 12 equal parts. The radius of the clock face is 6 inches. Assume the hands of the clock will
irina [24]
<h2>Answer:</h2><h2>Option (i),(iii), (v) are correct</h2>

Step-by-step explanation:

Given, the face of a clock is divided into 12 equal parts.

Angle of each part = \frac{360}{12} = 30°

(i) When one hand points at 2 and the other points at 4, this is can be divided into two parts, 2 to 3 and 3 to 4.

The angle formed = 2 (30) = 60°

Option (i) is correct

(ii) The circumference of the clock is ,

Circumference of circle = 2πr,

where r is the radius = 6 and π = 3.14.

Substituting the values in the formula, we get

Circumference of circle = 37.68.

Option (ii) is wrong.

(iii) With one hand at 5 and the other at 10, this is 5 parts

The angle formed= 30(5) = 150°.  

The arc length =\frac{150}{360}(37.68) = 15.7

Option (iii) is correct

(iv) When one hand points at 1 and the other points at 9, this is 4 parts,

30(4) = 120°.  T

Option (iv) is wrong

(v) The length of the minor arc from 11 to 2, this is 3 parts

3(30) = 90°  

minor arc from 7 to 10 is 3(30) = 90°  

Option (v) is correct

6 0
3 years ago
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