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liq [111]
2 years ago
8

23. Which number below could not be used to PLEASEE HELP!!

Mathematics
1 answer:
il63 [147K]2 years ago
6 0
0.75 i think so lol HI
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How to write y= 2x-7 in function notation
luda_lava [24]
I believe it would be  <span>f(x)=2x-7</span>
4 0
3 years ago
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7) 15:5 +6.5<br> I do not no how to do this
deff fn [24]

Answer:

15 divided by 5 =3

3 +6=9

9 - 5 = 4

so 4 is the answer

Step-by-step explanation:

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3 years ago
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Hi friends,
Mkey [24]

Answer : 19.6cm

I hope this helps you! Have a good day!

6 0
2 years ago
DUPLICATE. WITH ATTACHMENTS
Inessa05 [86]
7.) Area of a square pyramid is given by A = s^2 + 2sl; where s is the side length of the base and l is the slant height.
Area of given pyramid = 4^2 + (2 x 4 x 7) = 16 + 56 = 72 ft^2

8.) Area of the given pyramid is the area of the hexagonal base plus the area of the six slant triangles.
Area of hexagonal base = (3sqrt(3))/2 x 10^2 = 150 x 1.732 = 259.8
Area of the 6 traingles = 6(1/2 x 10 x 13) = 6 x 65 = 390
Total surface area of the pyramid = 259.8 + 390 = 649.8 ≈ 650 m^2

9.) Using pythagoras rule, the slant height is sqrt(6^2 + 3.5^2) = sqrt(36 + 12.25) = sqrt(48.25) = 6.9 mm

10.) The surface area of a cone is given by πr^2 + πrl
Area = π x 6^2 + π x 6 x 20 = 36π + 120π = 490.1 cm^2

11.) l = sqrt(r^2 + h^2) = sqrt(11^2 + 16^2) = sqrt(121 + 256) = sqrt(377) = 19m
6 0
3 years ago
What are the mensure of 1 angle and 2 angle? Show ur work or explain
STatiana [176]

Answer:

angle 1 = 105º

angle 2  = 75º

Step-by-step explanation:

angle 2  = 75º

corresponding angle to the 75º angle

angle 1 = 105º

it's supplementary to angle 2

180 - 75 = 105

6 0
3 years ago
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