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Lana71 [14]
3 years ago
9

How many terms are in the expression shown? 2n + 5 – 3p + 4n 1 2 3 4

Mathematics
2 answers:
Vadim26 [7]3 years ago
8 0

Answer: Third option is correct.

Step-by-step explanation:

Since we have given that

2n + 5 – 3p + 4n

First we gather the like terms:

2n+4n-3p+5\\\\=6n-3p+5

So, we can see that

there are 3 terms i.e. one term with variable n, one term with variable p and a constant term with no variable.

i.e. 6n,-3p, and a constant term : 5

So, Third option is correct.

Temka [501]3 years ago
6 0
The answer is 3 terms in the expression. Hope it helps!
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In the rhombus, m angle 1 = 18x, m angle 2 = x+y and m angle 3 = 30z. Find the value of x+y+z. The diagram is not drawn to scale
Ratling [72]

The value of x+y+z = 93

<u>Explanation:</u>

<u></u>

angle 1 = 18x

angle 2 = x+y

angle 3 = 30z

In rhombus, the diagonals intersect at 90°

Therefore,

angle 1 : 18x = 90

                  x = 90/18 = 5

angle 2: x+y = 90

              5+y = 90

                  y = 85

angle 3: 30z = 90

                   z = 90/30 = 3

Value of x+y+z = 5+85+3 = 93

Thus, the value of x+y+z = 93

             

5 0
3 years ago
15. Find the length of segment DE of the triangle ABC.
ruslelena [56]

Answer:

Option C. 26\ units

Step-by-step explanation:

we know that

Triangles ADE and ABC are similar by AA similarity postulate

AB=2AD

Apply proportion

\frac{AD}{AB}=\frac{8x-6}{12x+4}\\ \\\frac{AD}{2AD}=\frac{8x-6}{12x+4}\\ \\\frac{1}{2}=\frac{8x-6}{12x+4}\\ \\12x+4=16x-12\\ \\16x-12x=4+12\\ \\4x=16\\ \\x=4\ units

Find the length of segment DE

DE=8x-6=8(4)-6=26\ units

4 0
3 years ago
a committee is to consist of two members. if there are seven people available to serve on the committee, how many different comm
Doss [256]

Answer:

66

Step-by-step explanation:

Use the combination formula.

8 0
3 years ago
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Lawrence's parents pay him a base allowance of $20 per week and $3.55 per hour for extra chores he completes. Mrs. Johnson pays
sergey [27]

Answer:

7.15x + 3.55y + 20 = weekly income

Step-by-step explanation:

7.15x + 3.55y + 20 = weekly income


6 0
3 years ago
What is the value of the expression shown 24-52
Ahat [919]

Answer:

-28

Step-by-step explanation:

It is negative so:

52-24=28

-28

8 0
3 years ago
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