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liubo4ka [24]
4 years ago
11

Consider the expression 7x2 - 4 - 9x. What is the coefficient of x?

Mathematics
1 answer:
photoshop1234 [79]4 years ago
7 0

Answer:

<em>Answer of 1 is c , 2 is c , 4 is d and 5 is d</em>

Step-by-step explanation:

  1.The expression is 7x^{2} -4 -9x

     We need to find the coefficient of x

     The coefficient of x is -9

<em>     The answer is option c</em>

  2.The order pair which would not appear as a solution for the linear

    equation  y =  -x + 3

    By analyzing by putting values of x and y

  <em>  The answer is option c</em>

 4. Caroline chose A as her answer and we need to find which ordered pair

    would Not appear as a solution for the linear equation y = -4x -2

    <em>The right answer is d </em> as it's not the correct method

 5. By analyzing the equation we get

     31 < k + 15

    As it is clearly written that we need "31 less than k and 15"

  <em>  The answer is option d</em>

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What is the relationship between a linear pair and supplementary angles
Studentka2010 [4]

For this case, we have that by definition:

<em>The supplementary angles are those that in pair add up to 180 degrees. </em>

On the other hand, a linear pair is a pair of adjacent angles formed when two lines intersect each other.

By definition, <em>the two angles of a linear pair are always supplementary, this means that their measurements add up to 180 degrees. </em>

Answer:

The two angles of a linear pair are always supplementary


3 0
3 years ago
Read 2 more answers
M/3-4&lt;-1 <br> answer this question<br> please show your work
Len [333]

Answer:

m<9

Step-by-step explanation:

m/3 - 4 < -1

        +4  +4

______________

m/3<3

 × 3 ×3

__________

m<9

Hope this Helps!

3 0
3 years ago
Read 2 more answers
If ABCD is a parallelogram. BC=13 and AB=5, what is the perimeter of the parallelogram?
UkoKoshka [18]

Answer:

36

Step-by-step explanation:

In a Parallelogram , it is important to note that opposite sides are equal to each other.

We are given parallelogram ABCD.

We have sides: AB, BC, CD, AD.

Since opposite sides are equal then:

AB = CD

BC = AD

The perimeter of a parallelogram is the sum of all its sides.

In the question: BC=13 and AB=5

Hence,

AB = CD = 5

BC = AD = 13

Perimeter of Parallelogram ABCD = 5 + 5 + 13 + 13

= 36.

6 0
3 years ago
Express the ratio as a fraction in simplest form. 18 : 12
Mashutka [201]
The answer is 9:1. All you have to do is simplify it
7 0
3 years ago
Jade used Fraction 3 over 4 yard of fabric to make a scarf. Can she make 2 of these scarves with Fraction 1 and 4 over 5 yards o
aksik [14]

Answer:

Yes, because the quotient of Fraction 1 and 4 over 5 ÷ Fraction 3 over 4 is 2 and 2 over 5

Step-by-step explanation:

Jade used Fraction 3 over 4 yard of fabric to make a scarf. Can she make 2 of these scarves with Fraction 1 and 4 over 5 yards of fabric, and why?

Representing the above expression Mathematically

3/4 yard = 1 scarf

1 4/5 yards of fabric = x

Cross Multiply

3/4x = 1 4/5 × 1

x = 9/5/ 3/4

x = 9/5 ÷ 3/4

x = 9/5 × 4/3

x = 12/5 scarves

x = 2 2/5 scarves

Hence, the correct option is :

Yes, because the quotient of Fraction 1 and 4 over 5 ÷ Fraction 3 over 4 is 2 and 2 over 5

6 0
3 years ago
Read 2 more answers
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