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love history [14]
2 years ago
10

Which equation models this situation?

Mathematics
1 answer:
Elis [28]2 years ago
5 0
A is the correct answer
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Unit rate of 1/2 hour:$1.25
GREYUIT [131]
What I would do with is just multiply the 125 by half an hour yeah or just multiply the ones we five by in half an hour and get your final answer I multiply the 1.25 by 1.2 and I got 1.5 + If I multiply the 1.25 + 2i would get 2.5
4 0
3 years ago
I need help with this question! thank u :)
cestrela7 [59]
Presumably d meanst distance and t means time.

When t = 1, d = 2.5
When t = 3, d = 4

d = mt + b
2.5 = m + b [t = 1]
4.0 = 3m + b [t = 2]
1.5 = 2m [subtract]
m = .75 = slope
b = 1.75 = d-intercept
d = .75t + 1.75
d = 15/4 + 7/4 [t = 5]
d = 22/4 = 5.5 m from sensor
6 0
3 years ago
Find the set of values of k for which the equation 2x2 - 10x + 8 = kx has no real root
Masja [62]

Answer: k= -10x+12

Step-by-step explanation:

6 0
3 years ago
Please help me Simplify 1-9÷7+3
Marina86 [1]

Answer :

the answer is -4/5 or -0.8

step-by-step explanation:

1-9/7+3 = -8/10

now simplify that,

-8/2 = -4

10/2 = 5

so we have -4/5 0r -0.8

4 0
3 years ago
Read 2 more answers
Calculate the rent of a decreasing annuity at 8% interest compounded quarterly with payments made every quarter-year for 7 years
Papessa [141]
The general Formula for a decreasing Annuity is:
P = ( \frac{(1+i)^n -1}{i (1+i)^n}) R
For this example we have:
P = 78,000
n = 7*4 = 28
i = 8%/4 = 2% = 0.02

After substituting you can find value for R, rent.
5 0
3 years ago
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