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3 years ago

Brainers, please help me

Mathematics

1 answer:

Yanka [14]3 years ago

4 0

Answer:

x=-18

Step-by-step explanation:

What you have do do is look at the word difference. 

Difference means subtraction so you will subtract x and -37.

x-(-37)=19. You will then make the negative a positive and subtract 37 from both sides.

x=-18 is your answer.

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Answer:

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3 years ago

jessie has n dollars in his bank account. he deposits $132 write an expression that represents the total amount jessie now has i

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Answer:

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Step-by-step explanation:

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3 years ago

Simplify each expression by distributing and combined bf like terms (SHOW WORK) please

GarryVolchara [31]

Answer:

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Step-by-step explanation:

Given,

-4 (8 - c ) - (3c + 7 )

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= 4c - 32 - 3c - 7

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8 0

2 years ago

Trigonometry please help me find the angle

Katena32 [7]

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3 0

3 years ago

Find the surface area and volume of cone. A = rs + r2 V = 1/3r2 h A cone's slant height (s) is 15 cm and its radius is 8 cm. Sur

Setler [38]

Answer:

Step-by-step explanation:

Given the slant height 's' and its radius 'r' to be 15cm and 8cm respectively.

the total surface of the cone A = πrs+πr² and the volume is expressed as

V = 1/3πr²h

For the surface area of the cone;

Given parameters

radius = 8 cm and slant height s = 15 cm

Total surface area A = π(8)(15) + π(8)²

A = 90π+64π

A = 154π

If π = 3.14

A = 154(3.14)

A = 483.56cm²

A = 483.6cm²

Hence the total surface area of the cone to the nearest tenth is 483.6cm²

For the volume of the cone;

V = 1/3πr²h

Using pythagoras theorem to get the height of the cone;

l² = h²+r²

h² = l²-r²

h² = 15²-8²

h² = 225-64

h² = 161

h = √161

h = 12.69cm

V = 1/3π* (8)² * 12.69

V = 1/3π* 64 * 12.69

V = 1/3*3.14* 64 * 12.69

V = 2550.1824/3

V = 850.06 cm³

V = 850.1 cm³

Hence, the volume of the cone is 850.1 cm³ to the nearest tenth.

7 0

3 years ago