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jek_recluse [69]

3 years ago

12

Could you help me solve by using elements in a set? In a survey of 250 business executives, 40 said they did not read money, for

tune, or business week, while 120 said they read exactly one of these three and 60 said they read exactly two of them. How many read all three?

1 answer:

saw5 [17]3 years ago

6 0

Answer:

30

Step-by-step explanation:

250 - 40 - 120 - 60 = 30

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The secret number is grater than 75.<br>it has 9 tens.<br>it has a 3 in the ones places.

Vikki [24]

Answer:

The secret number is 93.

8 0

3 years ago

If julie make 18 baskets how many baskets does kari make how many baskets do they make in all

melisa1 [442]

Answer:

18x

Step-by-step explanation:

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I do not understand this question

3 0

2 years ago

2. Kembangkan;<br>(a) 3(7 – a)<br>(b) (x + 4) (x – 4)<br>(c) 8n(–3 – 2n2)

snow_tiger [21]

Answer:

A) 21 - 3a

B) x^2 - 16

C) - 24n - 16n3

6 0

3 years ago

How does the radius of a positive and negative ion compare to a neutral atom?

Tanzania [10]

A neutral atom contains equal amount of proton and electron.

A negative ion contains extra electrons hence there is additional outer shell so it is expected that the radius is bigger than that of a neutral atom.

While a positive ion contains less electron so there is less outer shell so the radius is smaller than that of a neutral atom.

Arranging the radius in increasing order:

<span>positive ion, neutral atom, negative ion</span>

4 0

3 years ago

What is the sum of the polynomials 5 a squared b plus 2a squared b squared 5 a2b+2a2b2 and negative ab squared plus a squared b

cupoosta [38]

The first polynomial is $5a^2b+2a^2b^2$

The other polynomial is $-ab^2+a^2b^2$

Now to add polynomials we must add or subtract like terms

Adding them we have

$(5a^2b+2a^2b^2)+(-ab^2+a^2b^2)$

$5a^2b+2a^2b^2-ab^2+a^2b^2$

Here $2a^2b^2 $ and $ a^2b^2 $ are like terms $$

So we add then

We get

$5a^2b+3a^2b^2-ab^2$

The addition of the polynomial is $5a^2b+3a^2b^2-ab^2$

3 0

3 years ago