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OLEGan [10]
3 years ago
8

17 = x + 3 Someone teach me how to do this

Mathematics
1 answer:
faust18 [17]3 years ago
3 0

Answer:

x=14

Step-by-step explanation:

17=x+3

-3        -3

14=x

subtract 3 on both sides

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First to answer correctly will be marked brainliest 40 points as well
skelet666 [1.2K]

Answer:

see explanation↓

Step-by-step explanation:

(a)

(3x+2)-(x+5)=3x+2-x-5

(3x+2)-(x+5)=2x-3

ANSWER: Linear binomial

(b)

(3x+8)+(4x^{2}-x)=3x+8+4x^{2}-x

(3x+8)+(4x^{2}-x)=4x^{2} +2x+8

ANSWER: Quadratic trinomial

(c)

(x^{2}+7x)-(x^{2}+5)=x^{2}+7x-x^{2}-5

(x^2+7x)-(x^2+5)=7x-5

ANSWER: Linear binomial

(d)

(2x+8)+(3x^2-2)=2x+8+3x^2-2

(2x+8)+(3x^2-2)=3x^2+2x+6

ANSWER: Quadratic trinomial

(e)

(x^2+5x-2)+(8-5x)=x^2+5x-2+8-5x

(x^2+5x-2)+(8-5x)=x^2+6

ANSWER: Quadratic binomial



7 0
2 years ago
Explain how to change a negative exponent to a positive one
VikaD [51]

Answer:

Step-by-step explanation:

Negative exponents in the numerator get moved to the denominator and become positive exponents. Negative exponents in the denominator get moved to the numerator and become positive exponents.

plz mark as brainliest

7 0
2 years ago
Read 2 more answers
Please answer! <br> Solve for X
Sedbober [7]

Answer:

x = 3

Step-by-step explanation:

We can solve this by using ratios of similar triangles

3           x

------ = ------------

3+9           12

3           x

------ = ------------

12           12

x must equal 3 to keep the ratios the same

4 0
3 years ago
Read 2 more answers
In a right triangle one leg measures a quarter of the other, how much do its acute angles measure? with procedure please​
KATRIN_1 [288]

Answer:

The answer to your question is 14° and 76°

Step-by-step explanation:

Data

leg 1 = x

leg 2 = x/4

angle 1 = ?

angle 2 = ?

Process

To solve problem use trigonometric functions. We must use the trigonometric function that relates both legs (tangent).

    tangent Ф = Opposite side / Adjacent side

-Substitution

    tan Ф = (x/4) / x

-Simplification

    tan Ф = x / 4x

    tan Ф = 1/4

-  Find Ф

     Ф = tan⁻¹(1/4) =  14°

- Find the other acute angle

  The sum of the internal angles in a triangles equals 180°

       Ф + Ф₁ + 90° = 180

-Solve for Ф₁

        Ф₁  = 180 - 90 - 14

-Result

        Ф₁ = 76°              

3 0
2 years ago
Yoshi multiplied -6.2 by -0.14. His result was -0.868. Which statement likely describes the error he made in his calculation?
Digiron [165]

Step-by-step explanation:

The answer is letter B. Negative and Negative is Positive.

3 0
2 years ago
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