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levacccp [35]
3 years ago
10

Find the value of -7 + (-9) + 11 + 8.

Mathematics
1 answer:
Triss [41]3 years ago
8 0
Good day ^-^ ///////////////

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Iron has a density of 7.87 g/cm^3. What is the mass of a block of iron that is 2cm x 10cm x 5cm?
Rufina [12.5K]

Answer:

2x10x5

V = 100 cm3

D = 7.87 g/cm3

M = 7.87x100

= 787g

3 0
2 years ago
Cheryl has twice as many nickels as quarters and five more dimes than nickels.
ehidna [41]

1.60

2 quaters = 0.50

4 nickels = 0.20

9 dimes = 0.90

equals: 1.60

5 0
3 years ago
Can u help me on this
Assoli18 [71]

Answer:

Step-by-step explanation:

-3x - 6 = 18

The first step should be to add 6 to both sides.

- 3x = 24

The second step should be dividing each side by - 3x

X = - 8

8 0
3 years ago
Read 2 more answers
A sphere with a radius of 3 cm has the same volume as a cone with a radius of 6 cm. What is the height of the cone A) 2 cm B) 3
olga55 [171]

Answer:

I belive it would be b.  But don't take my word for it

Step-by-step explanation:

6 0
3 years ago
Help!! What is the area?
Masteriza [31]

Answer:

203in²

Step-by-step explanation:

split up the shape into three rectangles

5in × 14in = 70

9in × 7in = 63

5in × 14in = 70

70 + 63 + 70 = 203in²

7 0
3 years ago
Read 2 more answers
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