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adelina 88 [10]
3 years ago
11

The table shows list of walking trails in the United States. Latisha walked the KATY trail six days last week. How many miles di

d she walk in a week
Mathematics
1 answer:
myrzilka [38]3 years ago
7 0
How long is the trail on your table then multiply by 6.
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Simplify cos^-1 (sqrt 3/2)<br><br> A. 60° <br> B. 30° <br> C. 240° <br> D. 150°
Fantom [35]
B.) 30 degrees would be correct here
7 0
3 years ago
An item is priced at $14.42. If the sales tax is 5%, what does the item cost including sales tax?
faltersainse [42]
I would say that the answer is D 21.63
3 0
3 years ago
Dannielle's test grades are 83, 92, 99, 86 and 90. What is the<br> median of her grades?
Butoxors [25]

Answer: 90

Step-by-step explanation:

83, 86, 90, 92, 99

90 is in the middle <3

5 0
3 years ago
Suppose f(7) = 5​, f'(7) = 8​, g(7) = 3​, and g'(7) = 4. Find h(7) and h'(7)​, where h(x ) = 4f (x) + 3g(x).
dusya [7]

Answer:

h(7) = 29

h'(7) = 44

Step-by-step explanation:

If h(x) =4f(x)+3g(x), to find h(7) we can substitute the values of f(7) and g(7) and we get:

h(7)=4f(7)+3g(7)\\h(7)=4(5)+3(3)\\h(7)=20+9\\h(7)=29

To find the derivative, we know that the derivative of a sum of functions equals the sum of the derivatives of those functions.

This would mean that h'(x)=4f'(x)+3g'(x), we can substitute the values for f'(7) and g'(7)

h'(7)=4f'(7)+3g'(7)\\h'(7)=4(8)+3(4)\\h'(7)=32+12\\h'(7)=44

7 0
3 years ago
Which expressions are equivalent to 5 x-15? Select three options.
mojhsa [17]

Answer:

b) 5 (x-3)\\c) 4 x + 3 y-15- 3 y + x\\e) -20 - 3 x + 5 + 8 x

Step-by-step explanation:

We are given the following expression in the question:

5x-15

a)

5 (x + 15)\\=5(x) + 5(15)\\=5x + 75

which is not equivalent to the given expression.

b)

5 (x-3)\\=5(x)-3(5)\\=5x-15

which is equivalent to the given expression

c)

4 x + 3 y-15- 3 y + x\\=4x+x+3y-3y-15\\=5x-15\\=5(x-3)

which is equivalent to the given expression.

d)

-7 y-6 x- 8 y + x\\=-7y-8y-6x+x\\=-15y-5x\\=-5(x+3y)

which is not equivalent to the given expression.

e)

-20 - 3 x + 5 + 8 x\\=-3x+8x-20+5\\=5x-15

which is equivalent to the given expression.

7 0
3 years ago
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