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IrinaK [193]
4 years ago
8

Which is an equation of direct proportion?

Mathematics
2 answers:
hram777 [196]4 years ago
6 0

A


Hope my answer helped

V125BC [204]4 years ago
3 0
A because the graph of a direct proportion crosses the origin.

Don't forget to vote brainliest and follow me!!!
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Please help me! I'm stuck...
Vanyuwa [196]
If we are trying to find x then it is 21
all you have to do is set them equal to each other
so (4x+3)=87
let me know if I need to explain more
7 0
3 years ago
Find the value of y.
tia_tia [17]

Answer:

DO it yourself, bud.

Step-by-step explanation:

Just try.

3 0
2 years ago
Application 11. Dasha took out a loan of $500 in oeder to buy the # 1 selling book in the world, "Math, What is it Good For?" by
finlep [7]

Answer:

\boxed{\text{\$581.25; \$81.25}}

Step-by-step explanation:

The formula for the total accrued amount is

A = P(1 + rt)

Data:

P = $500

r = 6.5 % = 0.065

t = 30 mo

Calculations:

(a) Convert months to years

t = 30 mo × (1 yr/12 mo) = 2.5 yr

(b) Calculate the accrued amount

A = 500(1 + 0.065 × 2.5)

  = 500(1 + 0.1625)

  = 500 × 1.1625

  = 581.25

\text{Dasha will have to pay back }\boxed{\textbf{\$581.25}}

(c) Calculate the accumulated interest

\begin{array}{rcl}A & = & P + I\\581.25 & = & 500 + I\\I & = & 81.25\\\end{array}\\\text{The accumulated interest is }\boxed{\textbf{\$81.25}}

6 0
3 years ago
Can someone please help me with number 15?
igor_vitrenko [27]

the answer is 2. because you need to subtract the fractions once you do that you’ll get -2 • (-1) then multiple you’ll have 2 .

6 0
3 years ago
5x + 3y = 26<br> 6x + 7y = 21
Serjik [45]
So, look. It sorta depends on what the question is asking. Since I only have the equations, and not the question, I'll do my best.

Right, so, if you wanna know the slope and everything, the first equation 
<span>5x + 3y = 26   the slope and everything for it, it:
</span><span>Slope = -3.333/2.000 = -1.667 
x-intercept = 26/5 = 5.20000<span> 
y-intercept = 26/3 = 8.66667

And the second one </span></span>6x + 7y = 21: 
<span>Slope = -1.714/2.000 = -0.857 
x-intercept = 21/6 = 7/2 = 3.50000<span> 
y-intercept = 21/7 = 3

Now, theres also where you just wanna find "x" and "y".  Tell me which one you need to know. :)

</span></span>
4 0
4 years ago
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