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miv72 [106K]
2 years ago
13

By rounding to 1 significant figure, estimate 22.4 x 49.8

Mathematics
2 answers:
seropon [69]2 years ago
5 0
Answer is 1115,5
here is how

Dafna11 [192]2 years ago
5 0
22.4 to 1sf = 20
49.8 to 1sf = 50

20*50 = 1000
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Dean sot a goal to do more than 900 push-ups this month. So far, he has done 230 push-ups, and there are 20 more days remaining
vampirchik [111]

Step-by-step explanation:

he has 900-230 = 670 more push-ups to do in the remaining 20 days.

so, he has to do every day

670/20 = 67/2 = 33.5 push-ups.

fractions of push-ups don't make sense.

we cannot say, he has to do at least 33 per day, because then he might come short in the end (if he sticks to the low limit) .

so, we have to say he has to do more than 33 or at least 34 push-ups per day to be sure he will at least reach his goal.

p > 33

or

p >= 34

both should be correct in the context of using only whole numbers.

bur in case of doubt I would pick p >= 34.

5 0
2 years ago
The ordered pair (a,b) satisfies the inequality y>x+10. Which statement is true?
Morgarella [4.7K]

Answer:

b-a>10\\\\Difference\ of\ b\ and\ a\ is\ greater\ than\ 10.

Step-by-step explanation:

Ordered Pair: In an ordered pair (p,q) first value that is p represents x-value and second value(q) represents y-value.

Given\ inequality\ y>x+10\\\\Ordered\ pair (a,b)\ satisfies\ the\ inequality\\\\Hence\ x=a,\ y=b\\\\Substitute\ these\ values\ in\ the\ inequality.\\\\b>a+10\\\\\Rightarrow b-a>10\\\\That\ means\ difference\ of\ b\ and\ a\ is\ greater\ than\ 10.

5 0
3 years ago
Read 2 more answers
Predict the number of pancakes that would have 48 chocolate chips
Montano1993 [528]
The answer would be 6 number of pancakes. Hope it helps
5 0
3 years ago
Which expression is equivalent to one over threep + 15? one over three(p + 45) one over three(p + 5) 3(p + 45) 3(p + 5)
elena-s [515]

Answer:

\large\boxed{\dfrac{1}{3p+15}=\dfrac{1}{3(p+5)}}

Step-by-step explanation:

"one over threep + 15":

\dfrac{1}{3p+15}=\dfrac{1}{(3)(p)+(3)(5)}=\dfrac{1}{(3)(p+5)}=\dfrac{1}{3(p+5)}

5 0
3 years ago
Read 2 more answers
How many home runs did each player hit the season
olya-2409 [2.1K]
Let Peter's hit be x and Alice's runs be y.
x = 2(y - 6) . . . (1)
x + y = 18 . . . (2)

Putting (1) into (2) gives,
2y - 12 + y = 18
3y = 18 + 12 = 30
y = 30/3 = 10
x = 2(10 - 6) = 2(4) = 8

Therefore, Peter hit 8 home runs and Alice hit 10 home runs.
3 0
3 years ago
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