2 years ago

A square plywood platform has a perimeter which is 11 times the length of a side,

Mathematics

1 answer:

Ivan2 years ago

3 0

Answer:

Step-by-step explanation:

11L - 42 = 4L

7L = 42

L = 6

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A.) all real numbers B.) y>6 C.)y is greater than or equal to -6 D.)x= √6 or -√6

Gemiola [76]

Answer:

C.) y is greater than or equal to -6

Step-by-step explanation:

The range are all the set of y-values that are plotted on the vertical axis (y-axis).

The range starts from -6 and above. Which is y ≥ -6

Therefore, range of the function is said to be:

C.) y is greater than or equal to -6

7 0

2 years ago

Expand and simplify 3(c-7)+2(3c+4)

leonid [27]

Answer:

9c - 13

Step-by-step explanation:

Given

3(c - 7) + 2(3c + 4) ← distribute both parenthesis

= 3c - 21 + 6c + 8 ← collect like terms

= 9c - 13

3 0

3 years ago

Read 2 more answers

Solve the system by the elimination method.

NikAS [45]

2x+3y-10=0 (1)
+
4x-3y-2=0 (2)
____________
6x -12=0 (if you just want the resulting equation. It is 6x-12=0)
x=2
take x=2 and put it into equation (2)
4(2) -3y -2=0
-3y= 2-8
y= 2
(x=2,y=2)

5 0

3 years ago

Assume that two chords in a given circle are congruent. Which of the following must also be true?

o-na [289]

Answer:

If the two chords are congruent, then they must be equidistant from the centre of the circle.

Ans: D

5 0

2 years ago

A scientist wants to research the potential spread of germs by contact. she knows that the number of possible handshakes within

Viefleur [7K]

Given that the number of possible handshakes within a group of n people is given by the equation:

 $N= \frac{1}{2} (n^2-n)$

Given that there are 105 people at a party, the number of possible handshakes is given by:

 $N= \frac{1}{2} (105^2-105) \\ \\ = \frac{1}{2} (11025-105)=10920$

8 0

3 years ago