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3 years ago

13

If 7x + 5y=25 and 3x+2y= what is the value of x+y

1 answer:

Nostrana [21]3 years ago

5 0

Answer:

Step-by-step explanation:

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Find the 12th term of an AP of the form 7, 12, 17, 22

Nostrana [21]

Answer:

27

Step-by-step explanation:

The rule will be

Ni=(i-1)*5+2

i=1 → N=(1–1)*5+2=0*5+2=0+2=2
i=2 → N=(2–1)*5+2=1*5+2=5+2=7
i=3 → N=(3–1)*5+2=2*5+2=10+2=12
i=4 → N=(4–1)*5+2=3*5+2=15+2=17
i=5 → N=(5–1)*5+2=4*5+2=20+2=22
i=6 → N=(6–1)*5+2=5*5+2=25+2=27

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6 0

2 years ago

Can someone help with this please?

ipn [44]

$7^2=7\cdot7=49\\\\8^2=8\cdot8=64\\\\\sqrt{49}$

3 0

2 years ago

Read 2 more answers

Please help me with this problem! <br> y =<br><br> 37<br> 39<br> 51

nika2105 [10]

y = arctan(8/10)

y = 38.65

y = 39

8 0

3 years ago

Read 2 more answers

Evaluate 7+5^2*4 <br> Algebra 1

vagabundo [1.1K]

Hi there!

<em><u>Answer:</u></em>

<em><u>=107</u></em>

<em><u>*The answer must have a positive sign.*</u></em>

Step-by-step explanation:

<h2><u>Lesson: Order of operations</u></h2>

Parenthesis

Exponents

Multiply

Divide

Add

Subtract

It can also go left to right.

First, you do exponents.

$5^2=5*5=25$

$7+25*4$

Then, you multiply from left to right.

$25*4=100$

Finally, you add from left to right.

$100+7=107$

I hope this helps you!

Have a nice day! :)

-Charlie

8 0

3 years ago

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Sabeena had 15 3/4m long ribbon. She cut into two pieces such that the length of one pieces is 9 1/2m. Find the length of other

DochEvi [55]

Answer:

6 1/4

Step-by-step explanation:

Total length of the ribbon= 15 3/4 m= 63/4 m

One piece= 9 1/2 m= 19/2 m

Other piece length =X

X= 63/4-19/2

=63/4-38/4

=25/4

=6 1/4

3 0

3 years ago

Read 2 more answers