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katen-ka-za [31]
3 years ago
14

Which equation represents exponential decay? A. y=100 (31)

Mathematics
1 answer:
Serjik [45]3 years ago
8 0

Answer:

C

Step-by-step explanation:

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bija089 [108]

if there is figure add figure

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3 years ago
A school is building a rectangular soccer field that has an area of 6000 square yards. The soccer field must be 40 yards longer
kogti [31]

Area is 6000 yd2

LW = 6000

field must be 40 yards longer than its width

L = W + 40

Replace L with W+40 in 1st equation to solve for Width

(W+40)(W) = 6000

W2 + 40W - 6000 = 0

This is a quadratic but is factorable

Factors of -6000 that add to 40 are (100)(-60)

(W+100)(W-60) = 0

W = -100   or   W = 60

Since the width will not be negative discard -100

The width is 60 yards

Length is W+40 = 100 yards

4 0
3 years ago
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X=40 that’s the answer
5 0
3 years ago
Duru has an ice-cream stand, which she opens on days that are forecasted to be warmer than 10°C.
Amanda [17]

Answer:

P(c(t)) =  20t-120

Step-by-step explanation:

Given

P(n) = 2n - 20

C(t) = 50 + 10(t - 10)

Required

Determine P(C(t))

The implication of the question is to solve for P(C(t))

Given that

C(t) = 50 + 10(t - 10) and P(n) = 2n - 20

P(c(t)) would be

P(c(t)) = 2(50 + 10(t - 10)) - 20

P(c(t)) = 2(50 + 10t - 100) - 20

Collect Like Terms

P(c(t)) = 2(50  - 100+ 10t) - 20

P(c(t)) = 2(-50+ 10t) - 20

Open Bracket

P(c(t)) = -100+ 20t - 20

Collect Like Terms

P(c(t)) =  20t-100 - 20

P(c(t)) =  20t-120

8 0
3 years ago
Find the circumference of the circle. <br> Formula: C = π d<br><br> Use 3.14 for pi.
jarptica [38.1K]

Answer: I believe the answer is around/about 56.55

Step-by-step explanation: C=2πr=2·π·9≈ 56.54 or aound 56.52

Formula: C=2πr

Simplified Equation:

2 x 3.14 x 9= 56.52 - 56.55

Good luck!! I hope this helps! All you have to do is memorize the formula, break down & simplify the numbers and equation and you're golden!!

Edit: I reccomend checking out Khan Academy for math help!

6 0
2 years ago
Read 2 more answers
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