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Arturiano [62]
3 years ago
15

Which values of x make the inequality 1 + 5 x < −9 true?

Mathematics
2 answers:
Kazeer [188]3 years ago
8 0
The answer is x is less than -2
Charra [1.4K]3 years ago
7 0

Answer:

x<-2

Step-by-step explanation:

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Can anyone please help with these 2 questions. If you can, please show step-by-step.
valentinak56 [21]

Answer:

1. x = 21

2. m∡ABC =  51°

Step-by-step explanation:

First problem, solve for x

the sum of inside angles of a triangle is 180

also the supplementary angle for L = 180 - 100 is 80°

now you can add all angles

80 + 2x - 11 + 2x + 27 = 180

4x + 96 = 180

4x = 84

x = 21

Second problem, solve for m∡ABC

the sum of inside angles of a triangle is 180

also the supplementary angle for C = 180 - 148 is 32°

now you can add all angles

31 + 2x - 15 + x - 5 = 180

3x + 12 = 180

3x = 168

x= 56,

now solve for  m∡ABC = (x - 5)° = (56 - 5)° = 51°

8 0
3 years ago
Read 2 more answers
Find the angle between the given vectors to the nearest tenth of a degree. u = (8, 4), v = (9, -9)
Usimov [2.4K]

Answer:

<em>71.6 degrees </em>

Step-by-step explanation:

The formula for calculating the angle between two vectors is expressed as;

u.v = |u||v|cos theta

u.v = (8, 4).(9, -9)

u.v = 8(9)+4(-9)

u.v = 72-36

u.v = 36

|u| = √8²+4²

|u| = √64+16

|u| = √80

|v| = √9²+(-9)²

|v| = √81+81

|v| = √162

36 = √80*√162 cos theta

36 = √12960 cos theta

36 = 113.84 cos theta

cos theta = 36/113.84

cos theta = 36/113.84

cos theta = 0.3162

theta = arccos (0.3162)

<em>theta = 71.6 degrees </em>

<em>Hence the angle between the given vectors is 71.6 degrees </em>

7 0
3 years ago
Read 2 more answers
Helppppp pleasee....
irina1246 [14]
Independent variable: the variable that affects the dependent variable and creates a change
Dependent variable: depends on the independent variable

1. Independent variable: John’s age
Dependent variable: height

2. Independent: gallons of milk
Dependent: cups of milk

3. Independent: population
Dependent: number of representatives

4. Independent: Number of seats
Dependent: amount of tickets

5. Independent: time
Dependent: plane’s altitude

6. Independent: more music download
Dependent: more money spent
6 0
3 years ago
A taxi company charges $2.25 for the first mile and then $0.20 per mile for
Vesnalui [34]

Answer:

3 miles and then 3 per mile for each additional mile

3 0
3 years ago
14 is __% of 20<br><br><br><br> pls help .. ASAP
Sever21 [200]

Answer:

70%

Step-by-step explanation:

4 0
3 years ago
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