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bija089 [108]
2 years ago
14

Find the pre-image of 10 under the function f:x ->3x+1​

Mathematics
1 answer:
Ugo [173]2 years ago
7 0

Answer:

see above

Step-by-step explanation:

Answer right xa hola

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Solve algebraically please URGENT <br> y=5x−7 <br> −6x−4y=−24
Kazeer [188]

\left\{\begin{array}{ccc}y=5x-7\\-6x-4y=-24&\text{divide both sides by (-2)}\end{array}\right\\\left\{\begin{array}{ccc}y=5x-7&(*)\\3x+2y=12&(**)\end{array}\right\\\\\text{substitute }\ (*)\ \text{to}\ (**):\\\\3x+2(5x-7)=12\qquad\text{use distributive property}\\\\3x+(2)(5x)+(2)(-7)=12\\\\3x+10x-14=12\qquad\text{add 14 to both sides}\\\\13x=26\qquad\text{divide oth sides by 13}\\\\\boxed{x=2}\\\\\text{Put the vaalue of x to}\ (*):\\\\y=5(2)-7\\\\y=10-7\\\\\boxed{y=3}\\\\Answer:\ \boxed{x=2\ and\ y=3\to(2,\ 3)}

7 0
3 years ago
Which of the expressions below can be factor using the difference of squares method
Alik [6]
It would be D because both are positive and are square roots
6 0
3 years ago
Read 2 more answers
Find the value of the expression 2x3 + 3y2 − 17 when x = 3 and y = 4. 26 85 943 1,927
Jet001 [13]

Answer:

85

Step-by-step explanation:

2x^3 + 3y^2 − 17

2(3)^3 + 3(4)^2 − 17

2*27 + 3*16 -17

54  + 48 -17 = 85

4 0
3 years ago
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The range, a measure of variability, Group of answer choices is the difference between the largest (L) and smallest (S) value in
Vlad [161]

<u>The correct answer is </u><u>all of the above.</u>

Why is the range the most convenient measure of variability?

  • Your data's spread from the lowest to the greatest value in the distribution is indicated by the range.
  • The calculation of this variability index is the simplest.
  • Simply subtract the lowest value from the highest value in the data set to determine the range.

How do you find the range?

  • The difference between the lowest and highest values in a list or set is known as the range.
  • Put all the numbers in order before determining the range. The lowest number should then be subtracted from the highest.
  • The range of the list is provided in the response.

Learn more about range

brainly.com/question/2114456

#SPJ4

4 0
1 year ago
If P is the incenter of triangle JKL, find the measure of JKP.
ladessa [460]

Answer:

m∠JKP = 31.5°

Step-by-step explanation:

Incenter of a triangle is the point where all the bisectors of interior angles intersect each other.

JN is the angle bisector of ∠KJL.

Therefore, m∠KJN = m∠LJN

(7x - 6) = (5x + 4)

7x - 5x = 6 + 4

2x = 10

x = 5

m∠KJN = (7x - 6)

            = 7(5) - 6

            = 35 - 6

            = 29°

In ΔKJN,

m∠JKN + m∠KNJ + m∠NJK = 180°

m∠JKN + 90° + 29° = 180°

m∠JKN = 180°- 119° = 61°

Since KO is the angle bisector of ∠JKN,

m∠JKP = \frac{1}{2}(\angle JKN)

            = \frac{1}{2}(61)

            = 30.5°

6 0
3 years ago
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