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3 years ago

Select the choice that translates the following verbal phrase correctly to algebra:

Mathematics

2 answers:

Hoochie [10]3 years ago

8 0

Answer:

the answer is as follows: (m - 7) + 15

solniwko [45]3 years ago

7 0

Answer:

The required translation in algebraic form is $(m-7)+15$ .

Step-by-step explanation:

Given : Expression 'the difference of m and 7 increased by 15'.

To find : Select the choice that translates the following verbal phrase correctly to algebra ?

Solution :

Writing the expression in algebraic form is

The difference of m and 7 i.e. $m-7$ .

The difference of m and 7 increased by 15 i.e. $(m-7)+15$

Therefore, the required translation in algebraic form is $(m-7)+15$ .

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Why do fractions need to have a common denominator before you add or subtract them?

djyliett [7]

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Example - 2/8 is a fraction
but 2 is not a fraction

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3 years ago

I am confused about how to do this problem and I don't think it should be hard, but I just don't know how to approach it, so if

solniwko [45]

Answer:

a) (0.555, 0) and (6, 0)

b) r = -3 and r = 1.8

c) (0.875, 0.676)

d) (0, 1.235)

Step-by-step explanation:

Set each term in the numerator and denominator equal to 0 and find r.

In the numerator:

r = 7/8, 5/9, or 6

In the denominator:

r = 9/5, 7/8, or -3

Zeros in the numerator that aren't in the denominator are r-intercepts.

Zeros in the denominator that aren't in the numerator are vertical asymptotes.

Zeros in both the numerator and the denominator are holes.

a) (0.555, 0) and (6, 0)

b) r = -3 and r = 1.8

c) Evaluate m(r) at r = 7/8. To do that, first divide out the common term (-8r + 7) from the numerator and denominator.

m(r) = (-9r+5)² (r−6)² / ( (-5r+9)² (r+3)² )

m(⅞) = (-9×⅞+5)² (⅞−6)² / ( (-5×⅞+9)² (⅞+3)² )

m(⅞) = (-23/8)² (-41/8)² / ( (37/8)² (31/8)² )

m(⅞) = (-23)² (-41)² / ( (37)² (31)² )

m(⅞) = 0.676

The hole is at (0.875, 0.676).

d) Evaluate m(r) at r = 0.

m(0) = (-9×0+5)² (0−6)² / ( (-5×0+9)² (0+3)² )

m(0) = (5)² (-6)² / ( (9)² (3)² )

m(0) = 1.235

The m(r)-intercept is (0, 1.235).

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3 years ago

It takes 15 electricians 24 days to wire a new housing subdivision. how many days would 18 electricians require to do the same j

Romashka [77]

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3 years ago

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Math Stuff please help 6th grade quiz!!

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Solution: