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Lady_Fox [76]
3 years ago
9

Jonathan has more than $20 in his piggy banks which of the amounts below could Jonathan have in his piggy bank $7.00 $31.00 $20.

00 $21.00 $12.00 $100.00
Mathematics
1 answer:
Anika [276]3 years ago
3 0

Answer:

$21, $31 and $100

Step-by-step explanation:

He could have all of the amounts that are greater than $20 (not that he CAN'T have $20 as the statement says he has MORE than $20).

7 < 20, so he cannot have $7

31 > 20, so he can have $31

20 = 20, so he cannot have $20

21 > 20, so he can have $21

12 < 20, so he cannot have $12

100 > 20, so he can have $100

So, he can have the following amounts: $21, $31 and $100

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The odds against Carl beating his friend in a round of golf are 9:7. Find the probability that Carl will lose?
grandymaker [24]

The ratio 9:7 gives you following statement:

  • Carl will win in 9 cases from 9+7=16;
  • Carl will lose in 7 cases from 16.

Then the probability that Carl will lose is

Pr(\text{Carl will lose})=\dfrac{7}{16}.

Answer: Pr(\text{Carl will lose})=\dfrac{7}{16}.


7 0
3 years ago
2(x + 4) - 5 = 3x + 3
OverLord2011 [107]

Answer:

x=0

Step-by-step explanation:

2(x+4)- 5 = 3x+3

Distribute

2x+8-5 = 3x+3

Subtract x values

8-5 = x+3

3 = x+3

Final Subtraction

x = 0

3 0
3 years ago
Read 2 more answers
How do you subtract integers?<br> like -81-(-34)
DedPeter [7]

Answer:

-47

Step-by-step explanation:

For this problem, we can use the rule "two negatives make a positive".

-81-(-34)

= -81 + 34

If you subtract 34 from 81, you find the opposite positive/negative answer.

81 - 34 = 47

Change all of the positive/negative signs:

-81 + 34 = -47

8 0
3 years ago
10 more than 405. 4 hhundred 0 tens 5 ones
vova2212 [387]

(4 hundred + 0 tens + 5 ones) + (1 ten) = 4 hundred + 1 ten + 5 ones

... = 415

4 0
3 years ago
A water company charges a connection fee each month of $22 and an additional $2.30 per cubic foot of water used. Which function
EastWind [94]

Answer

Find out the total monthly charges for x cubic feet of water used .

To prove

As given

A water company charges a connection fee each month of $22 and an additional $2.30 per cubic foot of water used.

Than the equation become

Total monthly  charges for x cubic feet of water used = Monthly connection fee + charges for x cubic feet of water

thus

f(x) = 22  + 2.30x

where x is the  x cubic feet of water used .

Therefore Option (B) is correct i.e f(x) = 22  + 2.30x .



4 0
3 years ago
Read 2 more answers
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