What is the value of −(3)4?

Mathematics

1 answer:

monitta2 years ago

4 0

Answer:

not totally sure but is it -12?

Step-by-step explanation:

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How many subsets can you make from the set of (1, 2, 3, 4, 5, 6)?

rusak2 [61]

Answer:

Step-by-step explanation:

For a set of $x$ elements, there are $2^x$ subsets, including a full and empty subset.

In the set $\displaystyle \{1, 2, 3, 4, 5, 6\}$ , there are 6 elements and therefore $2^6=\boxed{64}$ subsets

8 0

2 years ago

Rex is six times older than its sibling Spike. Rex's mother dino is ten times older than Rex. Rex's father dino is twice as old

salantis [7]

Answer:

30 years

Step-by-step explanation:

Let :

Spike's age = x

Rex age = 6x

Rex mother = 10 * 6x = 60x

Rex father = 2 * 60x = 120x

x + 6x + 60x + 120x = 1000

187x = 1000

x = 1000/ 187

x = 5.34

Hence, Spike's age, x = 5 years

Rex age = 5 * 6 = 30 years

5 0

2 years ago

Simplify each expression

Iteru [2.4K]

For (-0.75+6)-(2.5x-9) all you have to do is multiply the negative into the 2nd brackets and collect like terms. Same with 8(5x-3y) all u have to do is multiply in the 8.

for the 4x+20 and 6x+54 all u do is factor out a common number(LCD- lowest common denominator)