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NNADVOKAT [17]
3 years ago
9

HELP with all these please read instructions :)

Mathematics
2 answers:
a_sh-v [17]3 years ago
6 0
My guess for 7 is around $30. For 8: 36. 9: 161. And for 10: 6. I got those by adding the whole numbers together and if the decimal was 7, 8, or 9 adding 1 :) I hope this helps
yarga [219]3 years ago
3 0
7.) By clusterring $7.04 + $5.95 + $6.08 + $5.06 + $6.12 = $6.00 + $6.00 + $6.00 + $6.00 + $6.00 = $30.00

8.) 9.3 + 8.7 + 8.91 + 9.052 = 9 + 9 + 9 + 9 = 36

9.) 37.6 + 44.1 + 41 + 39.1 = 40 + 40 + 40 + 40 = 160

In clustering method you look for a whole number usually ending with 0 which all the given numbers "clustered" around.
You might be interested in
Help i don't understand this.
Arte-miy333 [17]

Answer:

7/23

Step-by-step explanation:

There seven black socks and all of the socks together is 23.

4 0
3 years ago
if the kinetic energy of an aeroplane moving at a velocity of 100m/s is 200j ,what is the mass of the aeroplane
Black_prince [1.1K]

Answer:

<u>0.04kg</u>

Step-by-step explanation:

Kinetic energy Formula: eK=0.5×m×v²

to work out mass

we can rearrange the formula and make it:

~m=eK÷(0.5×v²)

now insert the missing digits into the formula:

m=200÷(0.5×100²)

work it out, and you get your answer

m=0.04kg

Hopefully this helped-have a good day)

8 0
2 years ago
Hey guys i really need help pls dont waste the points i actually want help to understand how to solve equations like:
tamaranim1 [39]

Answer:

your question is unclear

Step-by-step explanation:

x+2y=4

-x -x

2y=4-x

divide by 2 to get y by it's self

y=2-(1/2x)

x+2y=4

-2y -2y

x=4-2y

i don't know if u want me to help u with the second one but i did it the first one

3 0
2 years ago
Your uncle gave you $1.80 with which to buy a present. This covered 3/10 of the cost. How much did the present cost?
s2008m [1.1K]

Answer:

$6

Step-by-step explanation:

Divide 1.80 by 3, then multiply that answer by 10.

6 0
2 years ago
Determine the measure of the third angle. * o 48° O 62° O 70° 132 180°
Ede4ka [16]

Answer:

B. 30°

Step-by-step explanation:

5 0
2 years ago
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