Answer:
10 in
Step-by-step explanation:
There are two ways to work this problem, and they give different answers. The reason for that is that <em>the data shown in the diagram is not consistent</em>.
<u>Method 1</u>
Use the area to determine the base length. The area formula is ...
A = (1/2)bh
20 in^2 = (1/2)(b)(4 in)
(20 in^2)/(2 in) = b = 10 in
The missing side dimension is 10 inches.
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<u>Method 2</u>
Use the Pythagorean theorem to find the parts of the base, then add them up.
Left of the "?" we have ...
left^2 +4^ = 6^
left^2 = 36 -16 = 20
left = √20 = 2√5
Right of the "?" we have ...
right^2 +4^2 = 8^2
right^2 = 64 -16 = 48
right = √48 = 4√3
So, the base length is ...
base = left + right = 2√5 +4√3
base ≈ 11.400 in
The missing side dimension is 11.4 inches. (The area is 22.8 in^2.)
5
2 = 32
Exponents are like a simplified or easier version of multiplying
2*2*2*2*2
People use exponents in real life. For an example, they use it for finding cubic feet ,square feet, or area of something or an object.
Sorry if I am bad at explaining this or if I confused you
Coplanar lines are <u>lines</u> that lie on the same <u>plane</u>.
Theorem: If two <u>coplanar lines</u> are <u>perpendicular</u> to the same line, then the two lines are <u>parallel</u> to each other.
This theorem is true always, therefore, given statement is true always.
Answer: correct choice is A
Answer: g(x)=9^x-7
Step-by-step explanation:
Step-by-step explanation:
L = length
W = width
L = W + 9
A = 112 = LW = (W+9)W
So,
W2 + 9W = 112
W2 + 9W - 112 = 0
Factoring
(W-7)(W+16) = 0
W = 7, -16
We discard W = -16, since a measurement cannot be negative.
W = 7
And since L = W + 9, then L = 7 + 9 = 16
This is a 16x7 rectangle
