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DedPeter [7]
3 years ago
10

which operation must you use to calculate the submarine's change in elevation? which word or words in the problem signify this o

peration?
Mathematics
2 answers:
Nina [5.8K]3 years ago
8 0

Answer:

The problem states that the submarine dives down 115 feet deeper. The words dives and down convey that the submarine dove farther below its initial level. So, I should subtract 115 feet from -502.5 feet.

Step-by-step explanation:

Correct answer

Natasha_Volkova [10]3 years ago
3 0
The order of operations
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A sales manager collected data on annual sales for new customer accounts and the number of years of experience for a sample of 1
Pavlova-9 [17]

Answer:

(1)-

b1 =~3.4

bo= ~ 82.8

(2)- ý=[82.8]+[3.4] x

(3)- The change in annual sales ($1000) for every year of experience is= 3.4

(4)-r^2=~ 0.847

Estimated annual sales= $110514

Step-by-step explanation:

(1)- b1 = 3.4606

=~3.4

bo = 82.8296

= ~ 82.8

(2)-

ý=[82.8]+[3.4] x

(3)-The change in annual sales ($1000) for every year of experience is= 3.4

(4)- r^2 = 0.84776

=~ 0.847

Percentage of the variation in annual sales can be explained by the years of experience

of the salesperson 84.7%.

Estimated annual sales

= 82.8296 + 3.4606 × 8 ($ 1000).

= 110.5144 ( $1000)

= $ 110514:4

= $110514

5 0
3 years ago
What is something you learned about in math this week need it for survey
mrs_skeptik [129]

Answer:

we learned very valuble info

Step-by-step explanation:

yes

5 0
2 years ago
You can afford a $1150 per month mortgage payment. You've found a 30 year loan at 8: interest compounded monthly. a) How big of
jarptica [38.1K]

Answer:

PV= Max Loan amount = PMT*B(i,T) and PMT = 1200. Calculate B(i,T) = B(6%/12, 360)

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Step-by-step explanation:

3 0
2 years ago
What the value of x 4(2x-5)=5x+4
mrs_skeptik [129]

x=8

hope this helps you

7 0
3 years ago
Read 2 more answers
A playground is constructed with the dimensions and shapes shown below
Alchen [17]

check the picture below.


so the playground is really just 3 rectangles and one triangle, now the triangle has a base of 8 and a height of 6.  We can simply get the area of each figure, sum them up and that's the area of the playground.


\bf \stackrel{\textit{area of the triangle}}{\cfrac{1}{2}(8)(6)}~~+~~\stackrel{\textit{rectangle}}{(8\cdot 8)}~~+~~\stackrel{\textit{rectangle}}{(6\cdot 6)}~~+~~\stackrel{\textit{rectangle}}{(9\cdot 4)}
\\\\\\
24+64+36+36\implies 160

6 0
3 years ago
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