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geniusboy [140]
3 years ago
12

Plz help me well mark brainliest!..

Mathematics
1 answer:
VladimirAG [237]3 years ago
5 0

9514 1404 393

Answer:

  (a)  (-3/4, 1/2)

Step-by-step explanation:

There are 4 grid lines between 0 and 1 in each direction, so each grid line represents 1/4 unit. Two of them is 1/2 unit; 3 of them is 3/4 unit. The x-dimension is listed first in the ordered pair.

Point S has coordinates (-3/4, 1/2).

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About how accurately must the tank's exterior diameter be measured to calculate the amount of paint it will take to paint the si
kondaur [170]

Answer: The error of the diameter would be 5% .

Step-by-step explanation:

Since we have given that

S=2\pi rh

Here, r is the radius

h is the height

So, it becomes,

S=2\pi (\dfrac{D}{2})h\\\\S=\pi Dh\\\\S=\pi D\times 10\\\\S=10\pi D

So, we will derivate S wrt D, we get that

\dfrac{dS}{dD}=10\pi\\\\dS=10\pi dD---------------------(1)

As we have given that

it will take to paint the side of the tank to within 5% of the true amount.

So, it becomes,

dS=0.5\pi D ---------------(2)

So, from (1) and (2) , we get that

0.5\pi D=10\pi dD\\\\\dfrac{0.5\pi}{10\pi}=\dfrac{dD}{D}\\\\0.05=\dfrac{dD}{D}=5\%

Hence, the error of the diameter would be 5% .

5 0
3 years ago
The tail of the spider monkey is 64% of 55in.What is the length of its tail?
mylen [45]
64%= .64
.64 of 55= 35.2
So the length of its tail is 35.2in.
3 0
3 years ago
A garden table and a bench cost S846 combined.The garden table costs $54 less than the bench.What is the cost of the bench?
Aneli [31]

Answer:

The bench costs 450

Step-by-step explanation:

Let t = cost of the table

b = cost of bench

t+b = 846

t = b-54

t+b =846

Substituting t = b-54 into the above equation

b-54 +b =846

Combine like terms

2b -54 = 846

Add 54 to each side

2b-54+54 = 846 +54

2b =900

Divide by 2

2b/2 = 900/2

b =450

The bench costs 450

4 0
3 years ago
Read 2 more answers
Brad sells each cup of lemonade for $0.50. He wrote the equation y = 0.50x to figure out the amount y he will get for selling x
Black_prince [1.1K]

Answer:

(X,Y) is (20,10) so that mean he made 10 bucks and sold 20 cups

Step-by-step explanation:

5 0
3 years ago
My sister and I each brought a bottle of sunblock to the beach. My bottle had 89ml and my sister’s had 147ml. How much more sunb
mariarad [96]

Answer:

58 more ml

Step-by-step explanation:

147-89=58 ml.

7 0
2 years ago
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