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Ymorist [56]
4 years ago
8

Hannah is putting together a square bulletin board for her room, and the area of the bulletin board is 196 square cm. What is th

e total distance around the bulletin board?
Mathematics
1 answer:
Kryger [21]4 years ago
8 0
Answer:
69cm on all 4 sides
Step-by-step explanation:
196/4= 69
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Donatello’s charge account statement shows an unpaid balance of $875. The monthly finance charge is 1.65% of the unpaid balance.
topjm [15]

Answer:

B

Step-by-step explanation:

875 x 1.65% = 14.44

875.00

+14.44

__________

889.44

3 0
4 years ago
What is negative 5 5/6–2 3/5
dangina [55]

Answer:

the answer is -8 13/30

Step-by-step explanation:

4 0
4 years ago
Two planes leave an airport at noon. If the eastbound plane flies at 560 mph and the westbound plane flies at 500 mph, at what t
ollegr [7]
The two planes are flying in opposite directions.One plane travels at 560miles per hour and the other travels at a speed of 500 miles per hour. As time proceeds, they would travel further from each other and that can be described by the equation that follows:

560(t)+500(t) =2000, since we are given a 2000 distance limit. Then we are to find the time when they are at this distance. Solve for t, which is equal to 0.53 hours or 32 minutes. 
3 0
3 years ago
Use linear approximation to approximate √25.3 as follows.
Sophie [7]

The idea is to use the tangent line to f(x)=\sqrt x at x=25 in order to approximate f(25.3)=\sqrt{25.3}.

We have

f(x)=\sqrt x\implies f(25)=\sqrt{25}=5

f'(x)=\dfrac1{2\sqrt x}\implies f'(25)=\dfrac1{10}

so the linear approximation to f(x) is

L(x)=f(5)+f'(5)(x-5)=5+\dfrac{x-5}{10}=\dfrac x{10}+\dfrac92

Hence m=\frac1{10} and b=\frac92.

Then

f(25.3)\approx L(25.3)=\dfrac{25.3}{10}+\dfrac92=\boxed{7.03}

4 0
3 years ago
Suppose there are 20 people in a room and the mean amount of cash held by these 20 people is $14.50 per person. If two people en
andriy [413]

Answer:

Multiply 20 by 14.5 and you get the total number of cash, and when the two people enter, add 4 and 5 to that total number, giving you a new total, then divide that new total by 22 because there are now 22 people in the room.

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
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