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DaniilM [7]
3 years ago
5

Need the answer plzz

Mathematics
1 answer:
Dmitrij [34]3 years ago
8 0

Answer:

20 \times 11.5 + 20 \times 11.75 + 20 \times 11.5 + 20 \times 11.75 + 2 \times (11.75 \times 11.5) \\  = 1200.25 {in}^{2}

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Marcus spent 10 hours doing his homework last week. This week he spent 11 hours doing homework. He says that he spent 110% more
8_murik_8 [283]
No he did not spend 110% more time doing homework if he did it would be 12hrs to find this put 11 in its decimal form and multiply it by 110 =12.1 
3 0
3 years ago
What is the length of the diagonal, d, of the rectangular prism shown below?
ZanzabumX [31]

Step-by-step explanation:

using Pythagoras theorem

d}^{2} =4}^{2+7}^{2}

d}^{2}=16+49

d}^{2}=65

d}^{2}=√65

\sqrt{d } ^{2}  =  \sqrt{65}

d=8.06 or 8

7 0
3 years ago
Sarah bought a bike that cost $260. She had a coupon that was worth $55 off the cost of any bike. Use the expression 260 + (−55)
aleksklad [387]

Answer:

$205

Step-by-step explanation:

The cost of bike Sarah bought = $260

Discount coupon = $55

The cost Sarah paid for the bike =$260 - $55

Use the expression 260 + (- 55) to find how much Sarah paid for her bike:

260+(-55)\\ \\=200+60+(-55)\\ \\=200+5+55+(-55)\ [\text{Note} 55+(-55)=0]\\ \\=200+5\\ \\=205

So, Sarah paid $205 for the bike.

4 0
3 years ago
PLEASE HELP I GIVE BRAINLIEST
pshichka [43]

Answer:

a=35

b= 55

c=110

Step-by-step explanation:

<a = 35 since a and 35 are vertical angles

a +b = 90 = 180 since it is a triangle

35+b+90 =180

Combine like term

125 +b = 180

Subtract 125 from each side

b = 180-125

b =55

c+70 = 180 since it forms a straight line

Subtract 70 from each side

c+70-70 =180-70

c = 110

5 0
3 years ago
Read 2 more answers
What is the answer this one made me sooo stumped!!
egoroff_w [7]
The ball costs ten cents. If the total cost is $1.10 and the bat costs $1 more than the ball then the only logical cost for the ball is $0.10 because $1 +$0.10= $1.10, which is the cost we are looking for. 
4 0
3 years ago
Read 2 more answers
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