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3 years ago

To four decimal places, what is the approximate solution of 10^x + 6 = 15?

Mathematics

1 answer:

Greeley [361]3 years ago

8 0

X= 0.95424250 so to four it would be x=0.9542

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Help! given 2(x-9)=-10 prove x=4 with statements and reasons

Sedbober [7]

Step-by-step explanation:

Proof:

2 ( x - 9) = - 10 when x = 4

2 ( 4 - 9) = -10

8 - 18 = -10

-10 = -10 ..........hence proven

Reasons 

- When you replace X with 4, you can clearly see that the equation is equal to -10.

sorry I couldn't answer accurately, but I hope this helps

8 0

2 years ago

7 times a number is 8 less than the square of that number. Find the negative solution.

charle [14.2K]

Answer:

-1

Step-by-step explanation:

The required relation is ...

7n = n^2 -8

0 = n^2 -7n -8 . . . . put in standard form

0 = (n -8)(n +1) . . . . factor

Solutions are n=8 and n=-1.

The negative solution is -1.

7 0

2 years ago

THIS IS PROBABLY MY LAST QUESTION!!!!!!!!

Lady bird [3.3K]

Answer:

2.c 3.a 4.b

Step-by-step explanation:

just looked at it carefully

6 0

2 years ago

Read 2 more answers

A computer moniter is solid by the diagonal length of the screen a computer monitor has a 15 inch screen the screen has a width

n200080 [17]

For this problem, you would use the Pythagorean Theorem (a^2 + b^2 = c^2)

A and B are the length and width of the triangle. The triangle is created by the diagonal line splitting the computer screen. C is the hypotenuse, which is the diagonal line, and will always be the longest side of the triangle.

When we plug in the numbers into the formula, we would get this:

13^2 + b^2 = 15^2

B is the unknown variable in which we are trying to find.
First, you square 13 and 15:

169 + b^2 = 225

Then, subtract 169 from both sides:

b^2 = 56

Finally, find the square root of both sides:

b = 7.483314774

Simplify to the nearest tenth, and the answer is 7.5

7 0

2 years ago

What is the slope and y-intercept of y+1=4/3x

Sergio039 [100]

hello

so this equation is written in point slope form: $y-y_{1} = m(x-x_{1})$

we can solve for y to get the equation into slope intercept form: y=mx+b

y+1=4/3x

subtract 1 from both sides

y=4/3x-1

slope: 4/3

y-intercept: -1

hope this helps

have a nice day :)

6 0

2 years ago

Read 2 more answers