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antiseptic1488 [7]
3 years ago
12

In a maths competition each correct answer gets 3 marks, but one mark is deducted for each incorrect answer.

Mathematics
1 answer:
rewona [7]3 years ago
4 0
Grace got 20 questions wrong.
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sweet t will feed the cat 4 ounces of food each day for 10 days . how many ounces of food will the cat eat in 10 days
DiKsa [7]
The cat will eat 40 ounces of food in 10 days.  10 x 4 = 40. 
8 0
3 years ago
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37. Watering a lawn requires 623 gallons of water for
Strike441 [17]

Answer:

6.23 gallons per square foot

Step-by-step explanation:

623/1000 = 6.23

6 0
2 years ago
Is absolute value of -998​
Nikitich [7]

Answer:

998.

Step-by-step explanation:

Just get rid of the negative sign

7 0
3 years ago
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P(Q) = 12/17<br> P(R) = 3/8<br> If Q and Rare independent events, find the PQ and R).
kodGreya [7K]

Answer:

9/34

Step-by-step explanation:

P(QnR) = P(Q) * P(R)

= 12/17 * 3/8

= 9/34

6 0
2 years ago
F(x)=x^2+3 find and simplify f(t-5)<br> And f(a+h)-f(a) , f(a) - f(a-h)
Jet001 [13]
1. (t-5)^2+3=t^2-10t+12+3=t^2-10t+15.

2. (a+h)^2+3=a^2+2ah+h^2+3
    (a^2)+3=a^2+3. Subtracting, we get h^2+2ah.

3. (a^2)+3=a^2+3
    (a-h)^2+3=a^2-2ah+h^2+3. Subtracting, we get 2ah-h^2.

6 0
3 years ago
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