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Svetradugi [14.3K]
3 years ago
13

Help me please !!!!!!!

Mathematics
2 answers:
Travka [436]3 years ago
5 0
X=20. Sorry the photo is messy but I was rushing when I solved the problem

rusak2 [61]3 years ago
4 0

Answer:

x = 20

Step-by-step explanation:

1.) Equation:  4x + x + 4 + 10x - 10 = 294

2.) Combine like terms:  15x - 6 = 294  

3.) Add 6 to 294:  15x = 300

4.) Divide 300 by 15:  x = 20

You might be interested in
What is the biggest decimal and take away two​
tensa zangetsu [6.8K]

Answer:

about -1

Step-by-step explanation:

0.9999999999 minus 2

3 0
3 years ago
use the definition of countinuity to find the value of k so that the function is continuous for all real numbers
liubo4ka [24]

First of all, recall the definition of absolute value:

|x| = \begin{cases}x&\text{if }x\ge0\\-x&\text{if }x

So if <em>x</em> < 4, then <em>x</em> - 4 < 0, so |<em>x</em> - 4| = -(<em>x</em> - 4), and the first case in <em>h(x)</em> reduces to

\dfrac{|x-4|}{x-4}=\dfrac{-(x-4)}{x-4} = -1

Next, in order for <em>h(x)</em> to be continuous at <em>x</em> = 4, the limits from either side of <em>x</em> = 4 must be equal and have the same value as <em>h(x)</em> at <em>x</em> = 4. From the given definition of <em>h(x)</em>, we have

h(4) = 5k-4\cdot4 = 5k-16

Compute the one-sided limits:

• From the left:

\displaystyle \lim_{x\to4^-}h(x) = \lim_{x\to4}\frac{|x-4|}{x-4} = \lim_{x\to4}(-1) = -1

• From the right:

\displaystyle \lim_{x\to4^+}h(x) = \lim_{x\to4}(5k-4x) = 5k-16

If the limits are to be equal, then

-1 = 5<em>k</em> - 16

Solve for <em>k</em> :

-1 = 5<em>k</em> - 16

15 = 5<em>k</em>

<em>k</em> = 3

3 0
3 years ago
Use the zero product property to find the solutions to the equation x^2-15x-100=0
7nadin3 [17]

Answer:

x = 20 or x = -5

Step-by-step explanation:

To solve the quadratic equation we must factor the expression

Look for 2 numbers that when you multiply them, obtain the result -100 and when you add them, obtain the result -15.

You can verify that these numbers are -20 and 5

-20 +5 = -15\\\\-20 * 5 = -100

Then the polynomial factors are

(x-20) (x + 5) = 0

 The zero product property says that if two terms a * b = 0 then

a = 0 or b = 0

So

(x-20) = 0 or (x + 5) = 0

x = 20 or x = -5

6 0
4 years ago
Read 2 more answers
5(-2)³+8(-2)²-3(-2)+1
meriva

Answer:

-1

Step-by-step explanation:

3 0
4 years ago
Read 2 more answers
Pls help with this problem​
yKpoI14uk [10]

Answer:

2 circular congruent bases

Step-by-step explanation:

a rectangular flat face, lateral area

6 0
3 years ago
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