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2 years ago

What is the answer to this 8⁄10 – 1⁄5

Mathematics

1 answer:

AnnZ [28]2 years ago

7 0

1/80 = 0.0125
1/5 = 0.2

0.0125-0.2 = -0.1875
-0.1875 = -3/16

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Question 4

Elanso [62]

Answer:

a $A = 30 + 0.45 n$

b $A = 90.3$

c 0 customers

Step-by-step explanation:

Given

$Base\ Amount = 30$

$Rate = 0.45$ per customer

Solving (a): Amount (A) on n customers

This is calculated as:

$A = Base\ Amount + Rate * n$

$A = 30 + 0.45 * n$

$A = 30 + 0.45 n$

Solving (b): Amount on 134 customers

In this case: n = 134

So:

$A = 30 + 0.45 * 134$

$A = 30 + 60.3$

$A = 90.3$

Solving (c): Customers at noon.

At noon, the amount is 30.

So:

$A = 30 + 0.45 n$

$30 = 30 + 0.45n$

Collect like terms

$0.45n = 30 - 30$

$0.45n =0$

$n = 0$

6 0

2 years ago

!HELP HELP HELP HELP!

liraira [26]

Answer:

615.75216 ft

Step-by-step explanation:

diameterd=2r

d=2×14

d=28

circumferenceC=2πr

C=2×π×14

C=28π

C=87.9645943

areaA=πr2

A=π×142

A=196π

A=615.75216

Hope this helps~

All the love, Ya boi Fraser :)

8 0

2 years ago

Number form for 525.048

Inessa [10]

Five hundred twenty-five and forty-eight thousandths

3 0

3 years ago

How do u simplify an expression? Plz, try to make it steps?

krok68 [10]

Here are the basic steps to follow to simplify an algebraic expression:remove parentheses by multiplying factors.
use exponent rules to remove parentheses in terms with exponents.
combine like terms by adding coefficients.
combine the constants.

5 0

3 years ago

Factor. w(squared)+18w+81

solong [7]

${w}^{2} + 18w + 81 \\ (w + 9)(w + 9) \\ or \\ {(w + 9)}^{2}$

7 0

3 years ago