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Maurinko [17]
3 years ago
6

Half the sum of x and you decreased by one-third of y

Mathematics
1 answer:
geniusboy [140]3 years ago
4 0

Answer:

½(x+y) - y/3. Hope this helps! If not, sorry!

Step-by-step explanation:


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Help plzzzz I need help
yan [13]

Answer:

1. 425,328 -> 425,330

2. 105,025 -> 105,030

3. 45,527 -> 45,530

4. 35,478 -> 35,480

5. 212,369 -> 212,370

Step-by-step explanation:

000,0<u>0</u>0 the underlined number is the tens place. In order for the tens place to round up the ones place must be 5 or above. If the ones place is lower than 5 you round down to the nearest tens.

In Example:

333,389 you would round up to 333,390 because of the 9 in the ones place.

Now, 333,333 you would round down to 333,330 because of the 3 in the ones place

8 0
3 years ago
The sum of two numbers is 53. If their difference is 25 find both numbers.
timama [110]

Answer:

x=39

y=14

Step-by-step explanation:

x+y=53...(1)

x-y=25...(2)

(1)+(2): 2x==78

x=78/2

x=39

then

x+y=53

39+y=53

y=53-39

y=14

6 0
3 years ago
Please help <br><br> question 1. 1/2 + 2/5<br> question 2. 5/12 + 7/9
Andrews [41]

Answer:

1. is 0.9 or 9/10. 2. is 43/36 or 1.19

6 0
3 years ago
Given: mTP= 70°,m∠EPT = 54° Find: Angles of △SPT
Zigmanuir [339]

Answer:

The Angles of △SPT are

m\angle STP=35\°  

m\angle SPT=126\°

m\angle PST=19\°

Step-by-step explanation:

step 1

Find the measure of angle PET

we know that

The inscribed angle is half that of the arc it comprises.

m\angle PET=\frac{1}{2}(arc\ PT)

substitute the given values

m\angle PET=\frac{1}{2}(70\°)

m\angle PET=35\°

step 2

Find the measure of angle PTE

we know that

The sum of internal angles of a triangle must be equal to 180 degrees

In the triangle PET

m\angle PET+m\angle EPT+m\angle PTE=180\°

substitute the given values

35\°+54\°+m\angle PTE=180\°

m\angle PTE=180\°-89\°=91\°

step 3

Find the measure of angle STP  

we know that

The inscribed angle is half that of the arc it comprises.

m\angle STP=\frac{1}{2}(arc\ TP)

substitute the given values

m\angle STP=\frac{1}{2}(70\°)=35\°

step 4

Find the measure of angle SPT

we know that

m\angle SPT+m\angle EPT=180\° ----> by supplementary angles

m\angle SPT+54\°=180\°

m\angle SPT=180\°-54\°=126\°

step 5

Find the measure of angle PST

we know that

The sum of internal angles of a triangle must be equal to 180 degrees

In the triangle SPT

m\angle STP+m\angle SPT+m\angle PST=180\°

substitute the given values

35\°+126\°+m\angle PST=180\°

m\angle PST=180\°-161\°=19\°

5 0
3 years ago
Lily finished a task in 3/4 hour .Ella finished it in 4/5 of time Lily took.How long did Ella take to finish the task?
Zarrin [17]

Time taken by Ella is 0.6 hour

<u>Solution:</u>

Lily finished a task in \frac{3}{4} hour

Ella finished it in \frac{4}{5} of time Lily took

<em><u>To find: time taken by Ella to finish the task</u></em>

Let "L" be the time taken by Lily

Time taken by Lily = L = \frac{3}{4} \text{ hour }

From given statement,

Time taken by Ella to finish the task is \frac{4}{5} of time Lily took

Therefore,

Time taken by Ella = \frac{4}{5} of time taken by Lily

\text{ Time taken by Ella } = \frac{4}{5} \text{ of } \frac{3}{4}\\\\\text{ Time taken by Ella } = \frac{4}{5} \times \frac{3}{4}\\\\\text{ Time taken by Ella } = \frac{3}{5}\\\\\text{ Time taken by Ella } = 0.6

Thus time taken by Ella is 0.6 hour

7 0
3 years ago
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