3 years ago

Help!! i don't understand either of these :(

Mathematics

1 answer:

irga5000 [103]3 years ago

5 0

Answer:

19. 15.5x8X3=372ft

C=372ft

20. 15.5x8x3=372ft

C=372ft

Hope it helped

You might be interested in

Round each number to the nearest ten and estimate the sum.<br>82.14 + 38.5 + 41.3

blagie [28]

82.14 will be rounded down to 80, 38.5 will be rounded up to 40, and 41.3 will be rounded down to 40.

80 + 40 + 40 = 160

The approximate sum is 160.

5 0

3 years ago

Read 2 more answers

Find the 20th term in the sequence, where the first term is -2 and the common ratio is-2.

geniusboy [140]

Answer:

Step-by-step explanation:

(1)

a1=-2

r=-2

$a_{20}=(-2)(-2)^{20-1}=-2(-2)^{19}=2^{20}=1048576\\(2)\\a_{1}=1000\\r=\frac{200}{1000} =\frac{1}{5} \\a_{8}=1000(\frac{1}{5} )^{8-1}=1000(.2)^7=0.0128\\(3)\\a_{1}=2\\a_{3}=50\\a_{2}=\sqrt{2*50} =10\\r=\frac{10}{2} =5$

6 0

2 years ago

Subtract the equations.

Lostsunrise [7]

Answer:

0x+2y=22

Step-by-step explanation:

Set them equal to each other, (5x+4y=25)-(5x+2y=3). Distribute the negative into the right equation, (5x+4y=25)(-5x-2y=-3). Then combine like terms to get your answer.

6 0

3 years ago

A sports tournament has d teams. Each team has 16 players . Using, write an expression for total number of players in the tourna

Vilka [71]

Answer:

16d

Step-by-step explanation:

multiply 16 by d as there are 16 players for each team

8 0

3 years ago

Find m<br> (look at the picture)

Advocard [28]

Answer:

Step-by-step explanation:

since you are learning about similar triangles... i'd guess that some where of the picture.. there is some words that say, that the two smaller triangles are the same, similar , congruent.. so that we can just add up angles 1 + 2 or

13 + 13 = 26 °

4 0

2 years ago