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WINSTONCH [101]
3 years ago
5

HELP ME! @all smart people

Mathematics
2 answers:
larisa86 [58]3 years ago
6 0
The first one is 5.3 you multiply 4x4 which is 16 then divide by 3 which then gives you the answer
ki77a [65]3 years ago
3 0
Is number one 4x4+5 or divided by 5
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What is the midpoint of the segment shown below ?
Ivanshal [37]

(1,-1) and (4,-6)

midpoint:

x = (1 + 4)/2 = 5/2

y = (-1 - 6)/2 = -7/2


Midpoint (5/2, -7/2)


Answer

D.

(5/2, -7/2)

5 0
3 years ago
Read 2 more answers
Find the surface area of each figure (spheres and hemispheres)
xenn [34]

Answer:

7. 1520.53 cm²

8. 232.35 ft²

9. 706.86 m²

10. 4,156.32 mm²

11. 780.46 m²

12. 1,847.25 mi²

Step-by-step explanation:

Recall:

Surface area of sphere = 4πr²

Surface area of hemisphere = 2πr² + πr²

7. r = 11 cm

Plug in the value into the appropriate formula

Surface area of the sphere = 4*π*11² = 1520.53 cm² (nearest tenth)

8. r = ½(8.6) = 4.3 ft

Plug in the value into the appropriate formula

Surface area of the sphere = 4*π*4.3² = 232.35 ft² (nearest tenth)

9. r = ½(15) = 7.5 m

Surface area of the sphere = 4*π*7.5² = 706.86 m² (nearest tenth)

10. r = ½(42) = 21 mm

Plug in the value into the formula

Surface area of hemisphere = 2*π*21² + π*21² = 2,770.88 + 1,385.44

= 4,156.32 mm²

11. r = 9.1 m

Plug in the value into the formula

Surface area of hemisphere = 2*π*9.1² + π*9.1² = 520.31 + 260.15

= 780.46 m²

12. r = 14 mi

Plug in the value into the formula

Surface area of hemisphere = 2*π*14² + π*14² = 1,231.50 + 615.75

= 1,847.25 mi²

8 0
3 years ago
Solve the equation d − 5 9 = 3 9
Allushta [10]

Answer:

D = 98

Step-by-step explanation:

if you add up 59 + 39 you get 98 meaning D is 98

4 0
3 years ago
3x + 5 = 45° + x
stira [4]

Answer:

3x + 5 = 45° + x

In here we can fine like terms by putting the unknown terms together and the whole numbers together example:

3x - x = 45 - 5

After that you can get the value of x

So,

2x = 40

x = 20

4 0
3 years ago
A grocer needs to mix raisins at $2.00 a pound with granola at $3.25 a pound to obtain 10 pounds of a mixture that costs $2.50 a
blagie [28]
Four lbs of granola = 13 lbs
Six lbs of raisins = 12 lbs

13+12=25

25/$2.50=10
6 0
3 years ago
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