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Luden [163]
3 years ago
11

Pete's checking account showed a balance at the beginning of the month of $180. After 3 days the checking account showed a balan

ce of $160. Write a linear equations to represent the total in the checking account f(x) according to the day x.
Mathematics
1 answer:
Cerrena [4.2K]3 years ago
5 0

Answer:

180 - 172 =$8 8/3=2.56

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Leokris [45]

Answer:

x=3 & y=162

Step-by-step explanation:

it may help you

6 0
3 years ago
Hey I really need this done asap I will mark brainliest and rate 5 stars 50 Points to who ever can get me the answers please and
zavuch27 [327]
                      MUSTARD MAN
1) 16y+0=0  Identity Property Of Addition
2) d*r=r*d     Commutive property of multiplication 
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4) 16x+5y=5y+16x  Commutive property of Addition
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6) (5y+2)+14x=5y+(2+14x)   Associate property of Addition 
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4 0
3 years ago
Sand for use on icy roads is stored in a conical pile 14.2 m high and with a base diameter of 34.4 m calculate the volume of the
sammy [17]

Answer:

1. The volume of the pile is 4,399.7719 m^3

2. The number of sanders to be filled from a pile is 638

Step-by-step explanation:

Here, we firstly would calculate the volume of the pile

Mathematically, that will be;

V = 1/3 * pi * r^2 * h

from the question, h = 14.2

Mathematically, r = d/2

r = 34.4/2 = 17.2 m

So the volume will be:

V = 1/3 * 3.142 * 17.2^2 * 14.2

V = 4,399.7719 m^3

To find the number of sanders to be filled,

we simply divide the volume obtained by the volume a sander can take

That will be;

4,399.7719/6.9

= 637.6 which is 638

4 0
3 years ago
Complementary angles have measures (4x)° and (5x−27)°. find the measure of the larger angle.
Luda [366]

Answer:

4x=90

X=90÷4

X=22.5

5x-27=90

5x=90+27

5x=117

X=117÷5

X=23.4

So 23.4 is a larger angle

7 0
1 year ago
Suppose your boss wants you to obtain a sample to estimate a population mean. Based on previous analyses, you estimate that 49 i
VashaNatasha [74]

Answer:

the minimum sample size n = 11.03

Step-by-step explanation:

Given that:

approximate value of the population standard deviation \sigma = 49

level of significance ∝ = 0.01

population mean = 38

the minimum sample size n = ?

The minimum sample size required can be determined by calculating the margin of error which can be re[resented by the equation ;

Margin of error = Z_{ \alpha /2}} \times \dfrac{\sigma}{\sqrt{n}}

38 = \dfrac{2.576 \times 49}{\sqrt{n}}

\sqrt{n} = \dfrac{2.576 \times 49}{38}

\sqrt{n} = \dfrac{126.224}{38}

\sqrt{n} = 3.321684211

n= (3.321684211)^2

n ≅ 11.03

Thus; the minimum sample size n = 11.03

5 0
3 years ago
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