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tresset_1 [31]
2 years ago
6

Tell whether the angles are complementary or supplementary. Then find the value of x.

Mathematics
1 answer:
Margaret [11]2 years ago
5 0

Answer: Complementary angles. x = 60

How I got it.

x - 30 + x = 90

then solve for x

Hope this helps!

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X(x+1)-1=4<br> ---<br> please help stuck on this question
Sloan [31]

Answer:

x=2

Step-by-step explanation:

use distributive property: x^2+2x-1=4

remove the -1 by adding 1 on both sides: x^2+2x=5

use the guadratic fromula:  ax²+bx+c=0

plug in the equation x^2+2x-5=0

a,b and c are the coefficients to plug into the formula

a=1, b=2, c=-1

Finally, you will find that x=2

8 0
2 years ago
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Assign a variable to each quantity and write each statement as an inequality. Then give an example
RideAnS [48]

Answer:

1.

Variable: x

Inequality: x ≤ 12

Value that matches: 12

2.

Variable: y

Inequality: y < 66

Value that matches: 60

Step-by-step explanation:

Solving (1):

Let x be the variable

Reading through the question, we have the inequality to be represented by "at most".

At most is used for less than or equal to.

Hence, the expression can be represented by:

x ≤ 12

The range of this inequality is limited to all natural number that do not exceed 12.

Examples are 8, 2, 11, 12

Solving (2):

Let the variable be y

Reading through the question, we have the inequality to be represented by "below".

Below means less than

Hence, the expression can be represented by:

y < 66

The range of this inequality is limited to all number less than 66.

Examples are 65, 1 , 60......

6 0
3 years ago
Which of the following inequalities represents "the car has no more than 5 gallons of gas left in the gas tank"?
MrRissso [65]
The answer is B. Hope this helps :)
7 0
3 years ago
Read 2 more answers
Write a fraction to represent the division in each situation. ; Jason plans to pay the water bill with two equal payments. Water
xenn [34]

9514 1404 393

Answer:

  $35/2

Step-by-step explanation:

Division by 2 is indicated by putting 2 in the denominator of the fraction:

  35/2

6 0
2 years ago
Anita incorrectly wrote the equation z = w – 18 to describe the pattern in the table.
LiRa [457]

The 63 is the err in her explanation here.

5 0
2 years ago
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