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zubka84 [21]
3 years ago
7

For the first one the answer are

Mathematics
1 answer:
BigorU [14]3 years ago
4 0

Answer:

1. add 1/2x to both sides

a. you want to combine the like terms. in this case, it is the x variable.

you are left with 7/6x = 5

2. multiply by 6/7

a. the reciprocal of 7/6 will cancel out the values

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Express the polynomial −g + 3g + 2g2 in standard form and then classify it.
Paladinen [302]
Standard Form of Polynomials: When each term is written in the [decreasing; greatest to least] order of degree. 
__________________________________________________________
Note 1: A degree of a term is the number of it's exponent.
Note 2: A constant number (A number without an exponent) will have the degree of 0. Always.
Note 3: A variable without a visible exponent obtains an exponent of 1. Ex. x = x^{1}
Note 4: The operation sign before a coefficient/constant indicates if it's positive or negative. No sign: it's positive. Subtraction sign: value is negative. Addition sign: value is negative.
Note: A degree of a polynomial is the number of it's highest exponent.
Note: (Mono)mials are polynomials with only one term. (Bi)nomials are of only two terms. (Tri)nomials are of only three terms. (Poly)nomials are more than 3 terms. 
Mono - One
Bi - Two
Tri - Three
Poly - Many
_________________________________________________________
Step 1: Find the degrees of all the terms1: -g translates to -1g^{1} This is the first degree.
2: 3g translates to 3g^{1} This is the first degree.
3: I am supposing you meant 2g^{2} for ''2g2''. If you did (most likely), you should do ^ to indicate if the number after that sign is an exponent while the number in front is the base. say for instance, x^2. This translates to x^{2} where x is the base and 2 is the exponent. This is the second degree. 

Step 2: Order them greatest to least.
 2g^{2} comes first since it's the greatest degree. I'm putting 3g second even if 3g and -g shares the same degree because the number before the variable is greater than -g's number before the variable. 

 2g^{2} + 3g -g
__________________________________________________________
Classifying Polynomials: You can classify polynomials by degree and by the number of terms. First is the degree then then the type of polynomial.

In this case it's 2nd degree trinominal because the highest exponent in a term is 2 and there are three terms within this expression
__________________________________________________________
Answer: 2g^{2} + 3g -g; 2nd degree trinominal 
4 0
2 years ago
a street light is mounted at the top of a 15 ft-tall pole. A man 6 ft tall walks away from the pole with a speed of 5 ft/s along
Virty [35]
See attached. The trick is to use similar triangles.

8 0
3 years ago
3
riadik2000 [5.3K]

Answer:

i think its c too i mean it looks like you picked c too

Step-by-step explanation:

lol

4 0
2 years ago
Solve in(5x+7)=8 round to the nearest thousandth
Ivan

Answer:

x=\frac{1}{5}

x=0.2

Step-by-step explanation:

(5x+7)=8

5x+7=8

Subtract 7 from both sides.

5x+7-7=8-7

Simplify.

5x=1

Divide both sides by 5.

\frac{5x}{5} =\frac{1}{5}

Simplify.

x=\frac{1}{5}

Decimal form:

0.2

7 0
3 years ago
Read 2 more answers
Is a triangle with the given side lengths of 15cm, 17cm, and 19cm a right triangle?
Alexandra [31]
Lets see!
We need to use the pythagorean theorem (a^2+b^2=c^2) to check.
So..
15^2+ 17^2 = 19^2
225+ 289= 361
Hm 225 and 289 do NOT equal 361 therefore it is NOT a right triangle.
3 0
3 years ago
Read 2 more answers
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