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MrRa [10]
4 years ago
7

When x=3 and y=8 what is y2-3x

Mathematics
2 answers:
zzz [600]4 years ago
8 0
Your answer is 7! Hope that helps.
pantera1 [17]4 years ago
3 0
The answer is 7 ........
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Find the distance between the pair of points A(-1,8) and B(-8,4)​
MAXImum [283]

Answer:

\sqrt{65}

Step-by-step explanation:

Solve using the distance formula:

d = \sqrt{(x2 - x1)^2+(y2 - y1)^2}

Input the corresponding numbers into the formula

d = \sqrt{(-8 - (-1))^2+(4-8)^2}

Solve

d = \sqrt{49+16}\\ d =\sqrt{65}

8 0
3 years ago
IAS question - ❓❓❓❓❓❓A man starts frm his house with some money to visit four temples.1. As soon as he enters temple 1 his money
Natali5045456 [20]

Answer:

Rs 93.75

Step-by-step explanation:

Solution:

A man starts from his house with some money to visit four temples.

<u>1. As soon as he enters temple 1 his money gets doubled. </u>

Let he had money at first = x

After enter the 1st temple his money = 2x

He donated = Rs 100

Money left after donation at 1st temple = 2x-100

<u>2. At temple 2 again his money is doubled and he donates Rs 100</u>

He had at 2nd temple = 2(2x-100) =4x-200

Donated = Rs 100

Money left after donation at 2nd temple = 4x-200-100=4x-300

<u>3. His money is doubled again at temple 3 and he donates Rs 100.</u>

He had at 3rd temple = 2(4x-300)=8x-600

Donated = Rs 100

Money left after donation at 3rd temple = 8x-600-100=8x-700

<u>4. At temple 4 again his money gets doubled. He donates 100 rs. again and returns home empty handed.</u>

He had at 4th temple = 2(8x-700)= 16x-1400

Donated = Rs 100

Money left after donation at 4th temple = 16x-1400-100 = 16x-1500

<u>As he returned empty hand or with zero money, equation will be:-</u>

16x-1500=0\\ \\ Adding\ both\ sides\ by\ 1500\\ \\ 16x=1500\\ \\ Dividing\ both\ sides\ by\ 16\\ \\ x=Rs \ 93.75

Thus, he had Rs 93.75 when he started from his house.

6 0
3 years ago
Mikaela will invest $2,500 in an account that pays her 7.5% over 2 years. How much interest will she receive? Also, how much wil
Anika [276]

Answer:

i. $375

ii, $2875

Step-by-step explanation:

Given

Princinpal=  $2,500

rate= 7.5%

time= 2 years

Required,

The simple interest, and the final amount

Step two:

SI= PRT/100

SI= 2500*7.5*2/100

SI=37500/100

SI=$375

The simple interest is $375

And the final amount = $2,500 +$375= $2875

5 0
3 years ago
2а + 20 = -3а - 5 pls help
sammy [17]

Answer: A= -5

Step-by-step explanation:

4 0
2 years ago
Read 2 more answers
Solve for m.<br> 2= m/2 -7<br> M=
crimeas [40]

Answer:

m=18

Step-by-step explanation:

First add 7 to both sides.

2+7=m/2

Simplify 2+7 to 9

9=m/2

Multiply both sides by 2

9*2=m

Simplify 9*2 = 18

18=m

3 0
3 years ago
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