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galben [10]
3 years ago
5

Imagine that * represents a new operation so that a * b means to double a, and then add b. For example, 2 * 10 = 14. What is -3

* 8 ?
A. 14
B 17
C 2
D 48
Mathematics
2 answers:
Rudik [331]3 years ago
4 0

Answer:

C 2

Step-by-step explanation:

-3 doubled = -6

-6 +8 = 2 so C 2

frutty [35]3 years ago
3 0

Answer:

C. 2

Step-by-step explanation:

-3(2) = -6

-6+8 = 2

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The density of ice is approximately 0.92 g/cm3 . If a block of ice has a volume of 2300 cm3, what is its mass?
Mumz [18]

Answer:

The mass of the ice block is 2116 grams ⇒ a

Step-by-step explanation:

The formula of density is p=\frac{m}{V} , where m is the mass and V is the volume

To find the mass from this formula multiply both sides by V,

then m = p.V

∵ The density of ice is approximately 0.92 g/cm³

∴ p = 0.92

- That means the mass of 1 cm³ is 0.92 g

∵ The volume of an ice block is 2300 cm³

∴ V = 2300

- Use the formula of the mass

∵ m = p.V

- Substitute the values of p and V in it

∴ m = (0.92)(2300)

∴ m = 2116 grams

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7 0
3 years ago
Is the area of figure 177 ??​
Alla [95]

Answer:

Yeppers, you got it

8 0
3 years ago
The value, V(m), of a comic book m months after publication has an average rate of change of -0.04 between m = 36 and m
vodka [1.7K]

Answer:

I believe the correct answer is C. The value of the comic book decreased by an average of $0.04 each month between m = 36 and m = 60.

Step-by-step explanation:

7 0
3 years ago
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What is the absolute value of -3/5​
prisoha [69]

Answer:

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Step-by-step explanation:

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3 0
3 years ago
A rectangle measures 18 cm by 3 cm what is its area
ioda

Answer:

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Step-by-step explanation:

Area of a Rectangle Formula: A = lw

We are given 18 as <em>l</em> and 3 as <em>w</em>, so simply plug it into the formula:

A = 18(3)

A = 54

5 0
3 years ago
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