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lana66690 [7]
3 years ago
5

evelyn has dance class every saturday it last 1 hr and 15 min and is over at 12 45 pm at what time does evelyns dance clas begin

Mathematics
1 answer:
Tpy6a [65]3 years ago
7 0

Answer: 11:30 pm

SStep-by-step explanation:subtract 1 hour and 15 minutes from 12:45

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X + y = 8<br> 2x2 – y = –5
kherson [118]

Answer:

x=-2,y=10

Step-by-step explanation:

y=8-x.............equation 1

4-y=-5..........equation 2

Now,

putting the value of y in equation 2,

4-(8-x)=-5

4-8+x=-5

-3+x=-5

x=-5+3

x=-2

Then,

putting the value of x in equation 1

y=8+2

y=10

5 0
3 years ago
A marble factory makes single marbles, then puts them in boxes of 10, cartons of 100, and crates of 1,000. How can the marble fa
Tju [1.3M]

Given, a marble factory makes single marbles and then puts them in boxes of 10, cartons of 100 and crates of 1000.

There are 21,650 marbles. We have to find how many boxes, cartons and crates are there.

We have to write 21,650 in the form of 1000, 100 and 10.

We can write 21,650 in the form of 1000 as, (21)(1000) = 21000

Now there (21650-21000) = 650 left.

We can write 650 in the form of 100 as, (6)(100) = 600

So there, (650-600) = 50 left.

Now we can write 50 in the form of 10 as, (5)(10) = 50.

So we can write 21,650 as,

21650 = (21)(1000)+(6)(100) + (5)(10)

So there are 21 crates, 6 cartons and 5 boxes in the marble factory package.

We have got the required answer here.

3 0
3 years ago
What is the answer to #4?
Fudgin [204]
The answer to the question

8 0
3 years ago
You receive an order for 15units of regular insulin to be given with breakfast and 20units to be giving with dinner. Insulin is
Wewaii [24]

Answer:

The medical doctor prescribed 0.35 ml of insulin per day.

Step-by-step explanation:

To find out how many millimiters of insulin was prescribed we need to find out how many units we have to took. The doctor prescribed two does of 15 units and 20 units, so the total of units for the day is the sum of the two in this cas 15 + 20 = 35 units. Now we can use a proportion rule, if we have 100 units for 1 ml in 35 units we will have an x amount of ml:

x = 35/100 = 0.35 ml

The medical doctor prescribed 0.35 ml of insulin per day.

7 0
3 years ago
Read 2 more answers
A science class consists of 14 boys and 15 girls.
Sergeu [11.5K]

(14 over 5) · (15 over 5)

= 14·13·12·11·10/5! · 15·14·13·12·11/5!

= 6012006

(n over k) is the Binomial coefficient

6 0
3 years ago
Read 2 more answers
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