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jekas [21]
3 years ago
15

Where is the blue dot on the number line?

Mathematics
1 answer:
Elenna [48]3 years ago
3 0

Answer:

4.9

Step-by-step explanation:

each line increases an incriment

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How many feet are in 13 miles, 176 yards? Enter only the number. Do not include units.
hammer [34]

Answer:

69,168

Step-by-step explanation:

1 mile = 5280 ft

13 miles · 5280 ft = 68,640 ft

1 yd = 3 ft

176 yds · 3 ft = 528 ft

68640 ft + 528 ft = 69,168 ft

5 0
3 years ago
Which graph represents the inverse sine function?
hichkok12 [17]
Answer: A.
The inverse sine function is written as sin−1(x) or arcsin(x). Inverse functions swap x- and y-values, so the range of inverse sine is − π/2 to π/2 and the domain is −1 to 1. When evaluating problems, use identities or start from the inside function.
(REFER TO CHART BELOW)

6 0
2 years ago
What is the final concentration if a saline solution consisting of 20% NaCl is diluted using a 1/4 solution?
vodomira [7]

Answer: C.V=C1.V1 +C2.V2

Step-by-step explanation: C=(C1V1 + C2V2)/V -> C=(20%.V+25%V)/2V-> C=22,5%

6 0
3 years ago
Find the value of k so that the
BaLLatris [955]

Answer:

gradient =  - 3 \\  - 3 =  \frac{(8 + 1)}{( - 2 - k)}  \\  3(2 + k) = 9 \\ 2 + k = 3 \\ k = 1

8 0
3 years ago
F(x)=x -1 g(x)=-4x2 + 4 Find (f o g)(x)​
ValentinkaMS [17]

Answer:

4x^2 + 3.

Step-by-step explanation:

f o g(x) = f(4x^2 + 4)

= (4x^2 + 4) - 1

= 4x^2 + 3.

3 0
4 years ago
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