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nekit [7.7K]
2 years ago
10

There are

Mathematics
1 answer:
ehidna [41]2 years ago
4 0
Yesterday, 1/4 of 80 =20 gave their speeches, so there are 80-20=60 students left.
Today, 2/5 of 60=24 students gave their speeches, so there are 60-24=36 students who still haven't give their speeches
another way to think of it is 80*(1- 1/4)*(1- 2/5)=80*(3/4)*(3/5)=36
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What’s the value of this expression?<br><br> 6x4-(5+3) dividend by 2
solong [7]

Answer:

20

Step-by-step explanation:

If you use PEMDAS(Parentheses, Exponents, Multiplication, Division, Addition, Subtraction) you would take care of what's in the parentheses, so you would at 5 and 3 to get 8. Then you would multiply 6 and 4 to get 24, so far your equation looks like this 24 - 8 ÷ 2. You then divide 8 by 2 to get 4 then subtract 24 from 4 to get 20.

8 0
2 years ago
Paul works at a local grocery store. he worked 15 hours this week. last week he worked 2.5 times as many hours as he worked this
Nonamiya [84]
So last week Paul worked 2.5x this week's hours, so he worked a total of 2.5x15= 37.5 hours last week.
6 0
3 years ago
Solve 35 divided by 7168
Tomtit [17]

Answer:

0.0048828125‬

Step-by-step explanation:

35/7168= 0.0048828125‬

7 0
3 years ago
Read 2 more answers
To prepare for a bake-off, Clarissa used 560 grams of flour each day for 3 weeks. How many kilograms did Clarissa use in those 3
Sindrei [870]
Convert G to kg
560/1000=.56 kg a day

If the bake off was 5 days
.56*5= 2.8kg... per week
2.8kg*3= 8.4 kg for 3 weeks

If it was 7 days
.56*7 = 3.92 kg per week
3.92*3= 11.76 kg for 3 weeks
5 0
3 years ago
What is the value of y
Reil [10]
All angles in a triangle add up to 180
So 79+37=116
180-116=64
Y=64
Hope this helps
5 0
3 years ago
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