Ask question

Ask question

All categories

3 years ago

7

Someone who's good at math plz!!!!

1 answer:

Shtirlitz [24]3 years ago

4 0

Step-by-step explanation:

are u sure there is no more context

You might be interested in

Which graph shows the solution to the equation below log3(x+3)=log0.3(x-1)

algol13

Answer: did you get the answer??????

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

Perfect square of u^2 - 14u + _

Rudiy27

The solution is in the attached file

5 0

2 years ago

7x + 8y = 25 9x + 10y =35 elimination method please

djverab [1.8K]

$7x +8y = 25 ~~~....(i)\\\\9x +10y = 35~~~ ....(ii)\\\\\text{Multiply equation (ii) by}~ \dfrac 79 ~ \text{and do (ii) - (i):}\\\\\dfrac 79 (9x +10y) - (7x +8y) = \dfrac 79 (35) - 25\\\\\\\implies 7x +\dfrac{70y}9 - 7x -8y = \dfrac{245}9 -25\\\\\\\implies - \dfrac{2y}9 = \dfrac{20}9\\\\\\\implies -2y =20\\\\\implies y =-10\\\\\text{Substitute}~ y = -10~ \text{in equation (i):}\\\\\\7x +8(-10) = 25\\\\\implies 7x = 25 +80\\\\\implies 7x = 105 \\\\\implies x =15\\\\$

$\\\text{Hence}~ (x,y) = (15,-10)$

3 0

1 year ago

What is the value of x in the equation 21%+ 3) = 4(x-1)?<br> 1<br> 2<br> 3<br> 5

lions [1.4K]

Answer:

321/100

Step-by-step explanation:

7 0

2 years ago

HELP HELP HELP!!!!!!!

erma4kov [3.2K]

Answer:

b = 77

Step-by-step explanation:

a² + b² = c²

36² + b² = 85²

1296 + b² = 7225

b² = 7225 - 1296

b² = 5929

$\sqrt{b^2} =\sqrt{5929}$

b = 77

3 0

2 years ago