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Ad libitum [116K]
3 years ago
13

Can someone please help me? No links due to the fact that I can’t open them

Mathematics
2 answers:
Nana76 [90]3 years ago
8 0

Answer:

A is the correct answer

Step-by-step explanation:

║ mean parallel

and the other symbol means perpendicular

Hope this helps! :)

Slav-nsk [51]3 years ago
4 0

Answer:

The answer is A

Step-by-step explanation:

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Which equation has a constant of proportionality equal to 1? A. y=10/11x B. y= 7/8x C. y= 3/15x D. y=x
shtirl [24]

An equation is said to have a constant of proportionality if 'x' is a multiple of 'y' or 'y' is a multiple of 'x'.

Now, we have to determine an equation with constant of proportionality as '1'.

1. y = \frac{10}{11}x

This equation has constant of proportionality as '\frac{10}{11}'.

2. y = \frac{7}{8}x

This equation has constant of proportionality as '\frac{7}{8}'.

3. y = \frac{3}{15}x

This equation has constant of proportionality as '\frac{3}{15}'.

4. y = x

This equation has constant of proportionality as '1'.

Option D is the correct  answer.

8 0
2 years ago
A person invests $2,740 in an account that earns 4.3% annual interest. Find when the value of the investment reaches $7,000. If
Juli2301 [7.4K]

So, to set up your equation is the hardest part. If you remember the basic format, you're set.

I(t) = P * (1+r%)^t

t= time and this will be our variable

Initial amount P = $2740

Rate = 4.3% which converts numerically into .043

I(t) = 7000

Before we get to find out how to find how many years it takes to get to $7000, set up the basic equation by plugging in what we know.


I(t) = $2740(1+4.3%)^t

I(t)=2740(1.043)^t

Now plug in for $7000 for I(t)

7000=2740(1.043)^t                 Divide both sides by 2740

7000/2740 = 2740/2740(1.043)^t

2.55474453=(1.043)^t

Now you can solve for t in two ways. You can either use the natural log or graph it on your graphing calculate and see when the two equations meet.

In your calculator you can set up:

ln(2.55474453)/ln(1.043) = t                 which is the method I prefer since it's much simpler

t=22.278528

but you can also graph it in your ti-84

with

y1=2.55474453

y2=(1.043)^x

and find where they intersect on the graph.

either way it'll be the same answer

3 0
3 years ago
The sum of y and 20 is more than 50
miss Akunina [59]
<span>20 + y > 50 Theres your answer</span>
3 0
2 years ago
Read 2 more answers
H(x) = x -2<br> g(x) = 2x² – 3x<br> Find h(g(-2))
emmasim [6.3K]

Answer:

h[g(-2)] = 12

Step-by-step explanation:

hope this helps

6 0
3 years ago
Read 2 more answers
evelyn drinks 8 glasses of water a day,which is56 glasses a week. How many glasses of water does she drink
vlada-n [284]
1 year=52 weeks

So just multiply it by 56

52*56= 2912 glasses per year
6 0
3 years ago
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