3 years ago

How is mathematics done?

2 answers:

8 0

Answer:

Mathematics can be completed through the use of logical thinking and the use of equations to figure out various problems.

77julia77 [94]3 years ago

8 0

Mathematics can be completed through the use of logical thinking and the use of equations to figure out various problems.

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Heather paid $1,493.30 for a computer. If the price paid includes a 9% sales tax, which of the following equations can be used t

aliina [53]

A because x is the original price, so you multiply by the tax (9%) which would convert to 1.09 which you would multiply to the x

3 0

3 years ago

The distance from Portland to Seaside is 75 miles what is the distance in inches on the map which scale of 1.25 in:25 mi

jek_recluse [69]

Answer:

1.25in/25mi = x/75mi

25x = 93.75

x = 3.75

<u>3.75 inches</u>

5 0

3 years ago

Find the value of x if a linear function goes through the following points and has the following slope: (x,2), (-4,6), m=3

Anastasy [175]

The slope is defined as

$m=\dfrac{\Delta y}{\Delta x}=\dfrac{6-2}{-4-x}$

So, we have the follwing equation:

$\dfrac{6-2}{-4-x} = 3 \iff 4 = 3(-4-x) \\\iff 4=-12-3x \iff16=-3x \iff x = -\dfrac{16}{3}$

6 0

2 years ago

Read 2 more answers

Which number is not in scientific notation?

Hitman42 [59]

Answer:

A 9 ⋅ 1019

B 7.8 ⋅ 106

C 1.45 ⋅ 10−7

D 0.33 ⋅ 10−15

Step-by-step explanation:

A 9 ⋅ 1019

B 7.8 ⋅ 106

C 1.45 ⋅ 10−7

D 0.33 ⋅ 10−15

6 0

3 years ago

Tom wants to buy 10 shirts.

cupoosta [38]

Answer:

$109.99

Step-by-step explanation:

You just have to multiply 10x10.99

6 0

3 years ago

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How is mathematics done?​

How is mathematics done?