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3 years ago

emily's bedroom ceiling needs to be repainted due to a leak in the ceiling. how many square feet will she be painting?

Mathematics

2 answers:

Butoxors [25]3 years ago

8 0

She will paint 64 because 4 x 5 is 20 and 11 x 4 is 44 add 20 and get 64

Hoochie [10]3 years ago

5 0

64 square feet, change the shape into two rectangles of 4 feet and 11 feet, then 4 feet and 5 feet. find the area of them then add the two sums

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Is f(x) continuous at x equals 4? Why or why not? A. No, f(x) is not continuous at x equals 4 because ModifyingBelow lim Wit

soldier1979 [14.2K]

<u>Corrected Question</u>

Is the function given by:

$f(x)=\left\{\begin{array}{ccc}\frac{1}{4}x+1 &x\leq 4\\4x-11&x>4\end{array}\right$

continuous at x=4? Why or why not? Choose the correct answer below.

Answer:

(D) Yes, f(x) is continuous at x = 4 because $Lim_{x \to 4}f(x)=f(4)$

Step-by-step explanation:

Given the function:

$f(x)=\left\{\begin{array}{ccc}\frac{1}{4}x+1 &x\leq 4\\4x-11&x>4\end{array}\right$

A function to be continuous at some value c in its domain if the following condition holds:

f(c) exists and is defined.

$Lim_{x \to c}$ f(x)$ exists.

$f(c)=Lim_{x \to c}$ f(x)$

At x=4

$f(4)=\dfrac{1}{4}*4+1=2$

$Lim_{x \to 4}f(x)=2$

Therefore: $Lim_{x \to 4}f(x)=f(4)=2$

By the above, the function satisfies the condition for continuity.

The correct option is D.

3 0

3 years ago

Which phrase best defines a trapezoid?

balu736 [363]

B they only have one pair of parallel sides. The top and bottom

3 0

3 years ago

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Prove that the value of the expression: (125^2+25^2)(5^2–1) is divisible by 39

prisoha [69]

Answer:

(1252+252)(52−1)

=(1252+252)(52+−1)

=(1252)(52)+(1252)(−1)+(252)(52)+(252)(−1)

=390625−15625+15625−625

=390000

divide by 39 is

=10000

4 0

3 years ago

How many solutions does the following equation have ?

bija089 [108]

There is only one solution

8 0

3 years ago

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18 × (-2) ÷ 5 enter your anwser in decimal form

Blizzard [7]

Answer:

7.2

Step-by-step explanation:

first divide -2 by 5= -2/5

multiply 18 by -2/5=-36/5

divide 36 by 5=7.2

4 0

3 years ago