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Aloiza [94]
3 years ago
10

What is the value of d + e + f when d = 20, e = –4 and f = –2?

Mathematics
1 answer:
saw5 [17]3 years ago
5 0
20 - 4 - 2 = 14.  A negative number is just like subtracting it.
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Jessica is playing a board game and uses a number cube to determine how many spaces she can move for each turn.
yulyashka [42]

Answer: 1 out of 6

Step-by-step explanation:  A number cube has 6 numbers on it. Only one of them is a two. If she were using two number cubes then she would have 2 out of 12 chances of landing on a number 2.

4 0
3 years ago
. Out of 40 pupils only 30 pupils submitted their project on time
Verizon [17]

Answer:

75 %

Step-by-step explanation:

To solve for the above question,

The percentage of pupils that submitted their project on time

= Number of pupils that submitted their project on time/Number of pupils × 100

Number of pupils that submitted their project on time = 30 pupils

Number of pupils = 40 pupils

= 30/40 × 100

= 75 %

The percent of the pupils that submitted their project on time is 75%

3 0
3 years ago
(04.02 MC)<br> Solve the system of equations.<br> 5x + y = 9<br> 3x + 2y = 4
goblinko [34]

Answer:

(2,-1)

Step-by-step explanation:

Multiply first equation by 2:

10x + 2y = 18

Subtract the second equation from this so that the 2y terms cancel:

10x - 3x = 18 - 4

7x = 14

x = 2

Plug into first equation to find y:

5(2) + y = 9

10 + y = 9

y = -1

The answer is (2,-1)

7 0
4 years ago
Read 2 more answers
Is b = 15 a solution to the equation 4b - 20 = 40?
irina [24]

Answer:

yes

Step-by-step explanation:

4 x 15 - 20 = 40

60 - 20 = 40

5 0
3 years ago
Read 2 more answers
At an Italian store the price for T-shirt is 55 euros what is the price in US dollars
Zinaida [17]

Answer:

the current converson rate for euros to dollars is $1 (USD) = 0.91 Euros

so 55 euros would equal about 60.60 USD...

in other words, that better be one nice shirt

Step-by-step explanation:

8 0
3 years ago
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