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Korolek [52]
3 years ago
13

Which of the numbers listed below are solutions to the equation? Check all

Mathematics
1 answer:
8_murik_8 [283]3 years ago
6 0

Answer:

The answer is 25 and -25 :)

If this was helpful, please consider giving brainliest!

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1. Divide using long division: (5x +13x² – 8x - 2) / (x+3)
DaniilM [7]

Answer:

13x -42 124/x+3

Step-by-step explanation:

6 0
3 years ago
Place 1/5 on the number line below .
Georgia [21]
Right next to the zero van I heht brainleist please

3 0
3 years ago
What is the value of x in the figure? Enter your answer in the box.<br> 145º<br> (2x + 15)
777dan777 [17]

Answer:

x = 65

Step-by-step explanation:

The angle labeled with the expression " ( 2x + 15 ) " and the angle with the measure of 145° are vertical angles

Vertical angles are congruent (In other words, they are equal to each other)

Hence, 2x + 15 = 145

                   ^ ( Note that we just created an equation  that we can use

                       to solve for x )

Using that same equation we then solve for x

2x + 15 = 145

step 1 subtract 15 from each side

15 - 15 cancels out

145 - 15 = 130

we now have 130 = 2x

step 2 divide each side by 2

130 / 2 = 65

2x / 2 = x

we're left with x = 65

7 0
3 years ago
Jamil traveled 210 miles, which is 70% of the total
Sergio039 [100]

Answer: The correct answer is B because 0.7x=210, x=300

Step-by-step explanation:

210= 70% of the total distance to his grandfather's house, lets take that total distance for x.

So if:

210=0.7x

x=210/0.7

x=300

7 0
3 years ago
expression to approximate log a of x for all positive numbers a, b, and x, where a is not equal to 1 and b is not equal to one
amid [387]

Question:

Approximate log base b of x, log_b(x).

Of course x can't be negative, and b > 1.


Answer:

f(x) = (-1/x + 1) / (-1/b + 1)


Step-by-step explanation:

log(1) is zero for any base.

log is strictly increasing.

log_b(b) = 1

As x descends to zero, log(x) diverges to -infinity


Graph of f(x) = (-1/x + 1)/a is reminiscent of log(x), with f(1) = 0.


Find a such that f(b) = 1

1 = f(b) = (-1/b + 1)/a

a = (-1/b + 1)


Substitute for a:

f(x) = (-1/x + 1) / (-1/b + 1)

f(1) = 0

f(b) = (-1/b + 1) / (-1/b + 1) = 1




7 0
3 years ago
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