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Nata [24]
3 years ago
12

-8x + 14 = -2(4x - 7) what is the value of x

Mathematics
2 answers:
kotegsom [21]3 years ago
8 0

Answer:

x= all real numbers

Step-by-step explanation:

Anuta_ua [19.1K]3 years ago
3 0

Answer:

X=7/3

Step-by-step explanation:

Explanation:

To solve you need to get all the x's on to one side and numbers on the other.

Start by subtracting 4x from both sides.

10

x

−

4

x

+

5

=

4

x

−

4

x

+

19

6

x

+

5

=

19

Now you would subtract 5 from both sides.

6

x

+

5

−

5

=

19

−

5

6

x

=

14

To get x on its own we divide both side by 6.

6

x

6

=

14

6

x

=

7

3

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Danielle bought a house for $215,000. She financed $189,375 of the purchase price with a 15-year-fixed-rate mortgage with a 6.1%
Brilliant_brown [7]
Total cost of the house = $215,000
Amount financed through mortgage = $189,375
Amount paid through other means (such as cash) = 215,000-189,375 = $25,625
Rate = 6.1% = 0.061
Number of years = 15 years

Monthly payment, M = P[i(1+i/12)^12*15]/[(1+i/12)^12*15 -1] = 189,375[0.061/12(1+0.061/12)^12*15]/[(1+0.061/12)^12*15 - 1] = $1,608.30
Total amount paid = $25,625 + (M*12*15) = $25,625 + $289,494.56 = $315,119.56

Seems the options given don't match the correct answer.
4 0
3 years ago
Y=3x-8 using function notation
maria [59]

To write it in function notation you'll convert it into a function, substituting y by f(x):


y = 3x - 8 = f(x) = 3x - 8



Hope it helped,



BioTeacher101

4 0
3 years ago
If u={1,2,3,4,5},A={2,4} and Beta {2,5,5}find n(AUB)​
slavikrds [6]

<em>u={1,2,3,4,5},A={2,4} and Beta {2,5,5}</em>

<em>now</em><em>,</em><em> </em><em>(AUB)</em><em>=</em><em>{</em><em>1</em><em>,</em><em>3</em><em>,</em><em>3</em><em>,</em><em>4</em><em>,</em><em>5</em><em>}</em>

<em>[</em><em>AUB</em><em> </em><em>is</em><em> </em><em>the</em><em> </em><em>set</em><em> </em><em>of</em><em> </em><em>all</em><em> </em><em>elements</em><em> </em><em>of</em><em> </em><em>set</em><em> </em><em>A</em><em> </em><em>and</em><em> </em><em>set</em><em> </em><em>B</em><em> </em><em>without </em><em>any</em><em> </em><em>repetition </em><em>]</em>

<em>n</em><em>(</em><em>AUB</em><em>)</em><em>=</em><em>5</em>

<em>n</em><em>(</em><em>AUB</em><em>)</em><em>is</em><em> </em><em>the</em><em> </em><em>total</em><em> </em><em>no</em><em> </em><em>of</em><em> </em><em>elements</em><em> </em><em>in</em><em> </em><em>set</em><em> </em><em>(</em><em>AUB</em><em>)</em>

7 0
3 years ago
Estimate the product of 68 and 21
Nataly_w [17]
The product of 68 and 21 would be 1,428.
5 0
3 years ago
Read 2 more answers
Find all real numbers $s$ such that $-2(s - 7) &gt; 4s + 8$. Give your answer in interval notation.
Stolb23 [73]

Answer:

s\in (-\infty,1)

Step-by-step explanation:

Solve the inequality -2(s - 7) > 4s + 8

Use distributive property:

-2s+14>4s+8

Subtract 4s:

-2s+14-4s>4s+8-4s\\ \\-6s+14>8

Subtract 14:

-6s+14-14>8-14\\ \\-6s>-6

Divide by -6 (do not forget to change sign, because division by negative number changes the sign):

s

5 0
3 years ago
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