MATHEMATICS HIGH SCHOOL

The slope of a direct variation function is -4. What is the equation of the function? y = 4 x
y = - 1/4 x
y = -4 x
y = x - 4

Answers

Answer 1
Answer:

Answer:

y = -4 x

Step-by-step explanation:
Answer 2
Answer: the answer is y = x - 4

Related Questions

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5x 2y = 20, when x = 0.3
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What is a integer number but not a whole number? A. - 9.6B. - 4C. 0D. 3.7

It is estimated % of all adults in United States invest in stocks and that % of U.S. adults have investments in fixed income instruments (savings accounts, bonds, etc.). It is also estimated that % of U.S. adults have investments in both stocks and fixed income instruments. (a) What is the probability that a randomly chosen stock investor also invests in fixed income instruments? Round your answer to decimal places. (b) What is the probability that a randomly chosen U.S. adult invests in stocks, given that s/he invests in fixed income instruments?

Answers

Complete question :

It is estimated 28% of all adults in United States invest in stocks and that 85% of U.S. adults have investments in fixed income instruments (savings accounts, bonds, etc.). It is also estimated that 26% of U.S. adults have investments in both stocks and fixed income instruments. (a) What is the probability that a randomly chosen stock investor also invests in fixed income instruments? Round your answer to decimal places. (b) What is the probability that a randomly chosen U.S. adult invests in stocks, given that s/he invests in fixed income instruments?

Answer:

0.929 ; 0.306

Step-by-step explanation:

Using the information:

P(stock) = P(s) = 28% = 0.28

P(fixed income) = P(f) = 0.85

P(stock and fixed income) = p(SnF) = 26%

a) What is the probability that a randomly chosen stock investor also invests in fixed income instruments? Round your answer to decimal places.

P(F|S) = p(FnS) / p(s)

= 0.26 / 0.28

= 0.9285

= 0.929

(b) What is the probability that a randomly chosen U.S. adult invests in stocks, given that s/he invests in fixed income instruments?

P(s|f) = p(SnF) / p(f)

P(S|F) = 0.26 / 0.85 = 0.3058823

P(S¦F) = 0.306 (to 3 decimal places)

1 inch
7
1
minute
14

Answers

Answer:

  • 2 inches per minute

Step-by-step explanation:

  • (1/7 inch) / (1/14 minute) =
  • (1/7 * 14) inch / minute =
  • 2 inch / minute

Answer:

2 in/min

Step-by-step explanation:

=> (1/7)/(1/14)

=> 1/7 × 14/1

=> 14/7

=> 2 in/min

Marcie bought a can of corn at the supermarket. The price on the shelf said $3.99, but when Marcie went through the checkout lane, she presented the cashier with a piece of paper that allowed the cashier to reduce the price by $0.25. Which type of discount is this?A. A sale
B. A gift card
C. A coupon
D. A rebate

Answers

That sure sounds like a coupon to me

Answer:

a coupon- apex

Step-by-step explanation:

A 84-ft tree casts a shadow that is 47 ft long. What is the angle of elevation of the sun?

Answers

The angle of elevation of the sun is 60.8°.

What is angle of elevation?

This is the angle between the horizontal line of sight and the object.

To calculate the angle of elevation of the sun, we apply the formula below.

Formula:

  • tan∅ = Heigth of the tree(H)/Length of the shadow(L)
  • tan∅ = H/L............. Equation 1

Where

  • ∅ = angle of elevation of the sun

From the question,

Given:

  • tan∅ = 84/47
  • tan∅ = 1.7872
  • ∅ = tan⁻¹(1.7872)
  • ∅ = 60.8°

Hence, The angle of elevation of the sun is 60.8°.

Learn more about angle of elevation here: brainly.com/question/88158
Tan(theta)=84/47
Theta=60.8°

Write the quadratic equation in general form. (x - 3)^ 2 = 0

Answers

easy
expand
(x-3)^2=0
(x-3)(x-3)
foil
first: x time x=x²
outter: -3 times x=-3x
inner:x times -3=-3x
last: -3 times -3=9
add them
x²-3x-3x+9=0
x²-6x+9=0
The answer is:  x² – 6x + 9 = 0  .
_____________________________________________________
Explanation:
________________________________________________________

Given:  (x – 3)² = 0 ;  write as: general form:  "ax² + bx + c = 0";  a ≠ 0 .

Note:  (x – 3)² = (x – 3)(x – 3) = x² – 3x – 3x + 9 = x² – 6x + 9 ;
___________________________________________________
Rewrite: (x – 3)²  =  0 ;  →
           as:   x² – 6x + 9 = 0  ; which is our answer.
____________________________________________
→   x² – 6x + 9 = 0  ; is in "general form", or "standard equation format"; that is: " ax² + bx + c = 0 ";  (a ≠ 0) ;
             → in which: 
   a =  1 (implied coefficient, since anything multiplied by "1" is that same                                                                                                                    value);
   b = -6; 
   c =  9
_______________________________________________________

what are the solutions of the equations x^2+14x=-130? (1point) a.2,-16 b.10,-13 c.-2,16 d.no solution

Answers

x^2+14x=-130\nx^2+14x+49=-81\n(x+7)^2=-81

no solutions in \mathbb{R}

in \mathbb{C}
x+7=-√(-81) \vee x+7=√(-81)\nx=-7-√(-81) \vee x=-7+√(-81)\nx=-7-9i \vee x=-7+9i\n
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