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vodomira [7]
3 years ago
13

Please help 4,5 17 points *

Mathematics
1 answer:
aleksandr82 [10.1K]3 years ago
7 0
Number 4 is B and number 5 is A (sorry if it’s wrong)
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I need help with part a and b. sorry its kind of hard to read
Anastasy [175]

Answer:

A) 4900

B) How far above she is before she starts hiking/the distance she is from the canyon floor.

Step-by-step explanation:

Since it's linear, it will follow the formula y=mx+c.

We can sub in the values to get:

3500=m(1)+c → 3500-m=c

2100=m(2)+c → 2100 = 2m+c

Sub '3500-m' in for c:

2100=2m+3500-m

m= -1400

c=3500-m=3500-(-1400)=3500+1400=4900

∴equation is: y= -1400x+4900

To find the initial value, ie when the number of hours = 0, we sub in zero for x:

y = -1400(0) + 4900

PART A ANS: 4900

PART B ANS: Since the number of hours passed is zero, the value represents how far above she is before she starts hiking/the distance she is from the canyon floor.

5 0
3 years ago
Two divers are swimming at different depths below
madam [21]
The deeper diver is 15.25 feet deeper than the other diver
3 0
3 years ago
Read 2 more answers
What is the value of x?<br><br> A. 4 <br> B. 4 square root of 3<br> C. 8<br> D. 8 square root of 3
sweet-ann [11.9K]
X=Since you have an angle, a hypotenuse, and the opposite side, we can use:

sin(x)=opposite/hypotenuse
sin(60)=x/8 (cross multiply)
sin(60)*8=x
√3/2*8=x
x=8√3/2
x=4√3 so the answer is B

Hope this helps
5 0
4 years ago
use a graphing calculator to find an equation of the line of best fit for the data. Identify and Interpret the correlation coeff
d1i1m1o1n [39]

Answer:

Go to desmos.com/calculator

Step-by-step explanation:

It has a graphing calculator and it super easy to plug in.

3 0
3 years ago
A quality control inspector has drawn a sample of 12 light bulbs from a recent production lot. If the number of defective bulbs
lapo4ka [179]

Answer:

90 percent

Step-by-step explanation:

100% - 10% = 90%

8 0
4 years ago
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