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3 years ago

Numerical expression for the phrase and simplify -5 and 7 added to 4

Mathematics

1 answer:

ELEN [110]3 years ago

4 0

The Numerical expansion for the phrase is Negaquinary and Balanced Septenary added to Balanced Quaternary.

Simplification Answer : 6(Senary)

Step-by-step explanation:

The Numerical expression for the -5 is Negaquinary.
The Numerical expression for the +7 is Balanced Septenary.
The Numerical expression for the +4 is Balanced Quaternary.
STEP 1 : -5+7 = +5
STEP 2 : +5+4 = 6.
The Numerical expression for the 6 is Senary.

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A survey questioned 1000 people regarding raising the legal drinking age from 18 to 21. Of the 540 who favored raising the age,

Maslowich

Answer:

If a person selected at random from this group is a man, there is a 31.25% probability that the person favors raising the drinking age.

Step-by-step explanation:

We have these following informations:

There are 1000 people in total.

540 favored raising the age. Of them 390 were female, and 540-390 = 150 were male.

460 were opposed. Of them, 130 were female and 460-130 = 330 were males.

If a person selected at random from this group is a man, what is the probability that the person favors raising the drinking age?

There are 150+330 = 480 males. Of them, 150 favors raising the drinking age.

$P = \frac{150}{480} = 0.3125$

If a person selected at random from this group is a man, there is a 31.25% probability that the person favors raising the drinking age.

7 0

4 years ago

(-1)^4 The answer is 1 but why?

Kipish [7]

(-1)^4 is = (-1)(-1)(-1)(-1)= 1
Hope this helps!

8 0

3 years ago

Read 2 more answers

Which phrase matches the algebraic expression below? 2(x − 7) + 10

Black_prince [1.1K]

Answer:

Two times the difference of a number x and 7 plus 10.

Step-by-step explanation:

We are to write a phrase which matches the following algebraic expression below:

$2 ( x − 7 ) + 1 0$

We can see that there is a bracket with a coefficient outside it so we can express it as:

'Two times the difference of a number x and 7'.

While + 10 can be added to it to complete the phrase:

Two times the difference of a number x and 7 plus 10.

8 0

3 years ago

Find a solution for the equation y = 4x - 3.

topjm [15]

Answer:

y=1

Step-by-step explanation

the x is like a imaginary 1 so 4*x=4-3=1

7 0

3 years ago

Which is a correct two-column proof? Given: ∠h and ∠c are supplementary. Prove: j || l

erica [24]

Well currently, we don't have sufficient evidence to prove that. we don't even know anything about j and l

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3 years ago