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Dimas [21]
2 years ago
7

PLEASE HELP ME ANSWER THIS (KHAN)

Mathematics
2 answers:
NemiM [27]2 years ago
6 0
<h3>Function 1 : </h3>

The equation for function 1 is in slope-intercept form by which we can identify the y-intercept easily..

y = mx + b

Where,

  • m is slope
  • b is y-intercept

Compare to the given equation:

  • m = -1/4
  • b = -5

<h3>Function 2 :</h3>

  • Observe the point where function meets the y-axis
  • The point of meeting is (0,-7)
  • <em>Thus</em><em>,</em><em> </em><em>The</em><em> </em><em>y-intercept</em><em> </em><em>is</em><em> </em><em>-7</em>

\red{ \rule{35pt}{2pt}} \orange{ \rule{35pt}{2pt}} \color{yellow}{ \rule{35pt} {2pt}} \green{ \rule{35pt} {2pt}} \blue{ \rule{35pt} {2pt}} \purple{ \rule{35pt} {2pt}}

- 5 \cancel=  - 7

<em>Therefore, </em><em>Function</em><em> </em><em>2</em><em> </em><em>has</em><em> </em><em>greater</em><em> y-intercept...~</em>

Mekhanik [1.2K]2 years ago
6 0

#1

  • y intercept of function 2 is -7

For function 1

  • y=-1/4r-5

Compare with y=mx+b

  • y intercept is b=-5

Function 2 has greater y intercept.

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2y/5y cube + 4y square + 6y
timama [110]

Answer:

here down is the answer

(2y/5y)^3+4y^2+6y

8y^3/125y^3 +16y^2+6y

8/125+16y^2+6y

8/125+16y^2+6y=0

16y^2+6y+8/125=0

it is in the form of quadratic equation

formula :

x=(-b+-square root of b^2-4ac) /2a

here a=16,b=6&c=8/125

x=(-b+-square root of b^2-4ac)/2a

x=(-6+-square root of 36-4.09)/2a here 4.09 came by calculation

x=(-6+-31.91)/2

so

x=(-6+31.91)/2 first (+);

x=25.91/2

x=12.955;

x=(-6-31.91)/2 then(-);

x=-37.91/2

x=-18.955 ;

ans is = 12.955&-18.955;

6 0
3 years ago
Given that an = 3an - 1 + 1, where a1 = 2, find the 3rd-6th terms of the sequence.
marishachu [46]
For the answer to the question above, <span>if 
a1 = 2, 
then 
a2 = 3a1 + 1 
a3 = 3a2 + 1 = 3
Then, we can finally solve for terms of sequence.
(3a1 + 1) + 1 = 9a1 + 4 = 9(2) + 4 = 22 

So the answer to your question is,
</span><span>22, 67, 202, 607  
</span>
I hope my answer helped you. Have a nice day!
8 0
3 years ago
A furniture store pays a wholesale price for a mattress.
WITCHER [35]

Answer:

Step-by-step explanation:

Part A:

Given that the mattress is sold for 50% off of the retail price, let the retail price of the mattress be x, then

50% of x = 1200

⇒ 0.5x = 1200

⇒ x = 1200 / 0.5 = 2400

Therefore, the retail price of the mattress, before the discount is $2,400.

Part B:

Given that the store marks up the retail price to 150% of the wholesale price. Let the whole sale price be p, then

(100% + 150%) of p = 2400

250% of p = 2400

2.5p = 2400

p = 2400 / 2.5 = 960.

Therefore, the wholesale price, before the markup was $960

7 0
3 years ago
A survey of middle school students asked: What is your favorite winter sport? The results are summarized below:Favorite Winter S
Annette [7]

Answer:

a) 31.38%

b) 28.44%

c) 33.33%

d) 73.46%

e) 53.89%

Step-by-step explanation:

<h3>(See picture attached for sub-totals) </h3>

a) What is the probability of selecting a student whose favorite sport is skiing?

P = 171/545 = 0.3138 = 31.38%

b) What is the probability of selecting a 6th grade student?

P = 155/545 = 0.2844 = 28.44%

c) If the student selected is a 7th grade student, what is the probability that the student prefers ice-skating?

P = 70/210 = 0.3333 = 33.33%

d) If the student selected prefers snowboarding, what is the probability that the student is a 6th grade student?

P = 155/211 = 0.7346 = 73.46%

e) If the student selected is an 8th grade student, what is the probability that the student prefers skiing or ice-skating?

P = 180/(171+163) = 180/334 = 0.5389 = 53.89%

7 0
4 years ago
A gum ball machine has 6 red gum balls, 3 green gum balls, and 5 blue gum balls. What is the probability that the next gum ball
lord [1]

Answer:

Step-by-step explanation:

P(red gum ball)= 6/14=3/7

6/14 can be simplified to 3/7 by dividing by 2. 6/2=3. 14/2=7.

P(red gum ball)=3/7

7 0
3 years ago
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