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Alenkinab [10]
3 years ago
14

What is 7 & 3/4 minus 3?

Mathematics
2 answers:
atroni [7]3 years ago
8 0
First off you'd want to change the mixed fraction to "improper", and then proceed, let's do so,

\bf \stackrel{mixed}{7\frac{3}{4}}\implies \cfrac{7\cdot 4+3}{4}\implies \stackrel{improper}{\cfrac{31}{4}}
\\\\\\
\cfrac{31}{4}~-~3\implies \cfrac{31}{4}~-~\cfrac{3}{1}\impliedby \textit{our LCD is 4}\implies \cfrac{31-12}{4}
\\\\\\
\cfrac{19}{4}\implies 4\frac{3}{4}
Firlakuza [10]3 years ago
7 0
7 & 3/4 minus 3 is 4.75.
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Factor by grouping.<br> 5w+2w + 25w + 10
masha68 [24]

Answer:

32w+10

Step-by-step explanation:

add all the w's then just add 10

7 0
3 years ago
PLEASE HELP W/ MATH PROBLEM
Ilia_Sergeevich [38]

Answer:

11. 736080 cars //   12. 5397920 cars

Step-by-step explanation:

given total number of cars produced : 6,134,000

100% -->6,134,000

1%--> 6,134,000 /100

1% --> 61340

given big cars of America is 12%

so to find this 12% = 12 * 61340 = 736080 cars produced by America

by other manufactures =  total cars - big cars of America

                                       = 6,134,000 - 7,36,080

                                       = 5397920 cars

3 0
3 years ago
A rectangular lap pool measures 80 feet long by 20 feet wide if it needs to be filled to 48 and each cubic foot hose 7.5 gallons
zmey [24]

Answer: it will take 576000 gallons to fill the lap pool.

Step-by-step explanation:

The formula for determining the volume of water in the rectangular pool is expressed as

Volume = length × width × height

The rectangular lap pool measures 80 feet long by 20 feet wide if it needs to be filled to 48. It means that the volume of water that would be pumped inside the pool is

Volume = 80 × 20 × 48 = 76800 cubic feet

1 cubic foot = 7.5 gallons

76800 cubic feet = 76800 × 7.5 = 576000 gallons

5 0
3 years ago
Use radical notation to rewrite each expression and simplify<br> 9 3/2
scoundrel [369]

Answer:

  9^{\frac{3}{2}}=\sqrt{9^3}=27

Step-by-step explanation:

The fractional exponent m/n is often translated to radical form as ...

  x^{\frac{m}{n}}=\sqrt[n]{x^m}

In this case, I find it easier to evaluate as ...

  x^{\frac{m}{n}}=(\sqrt[n]{x})^m=\boxed{(\sqrt{9})^3=3^3=27}

7 0
4 years ago
What is the slope of the line represented by the equation below?y=-2/3x+3 A-2/3 B. 2/3 C.2 D.x
Black_prince [1.1K]

ANSWER

A.

-  \frac{2}{3}

EXPLANATION

The given equation is

y =  -  \frac{2}{3}x + 3

This equation is already in the form:

y =mx + b

This is called the slope-intercept form.

The slope is

m =  -  \frac{2}{3}

and the y-intercept is 3.

The correct answer is A.

In a situation where the line is not given in the slope intercept form, then you must rewrite in this form before comparing.

8 0
3 years ago
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