3 years ago

What is the first step needed to solve (3/4)x-3=-18 ?

Mathematics

1 answer:

inn [45]3 years ago

3 0

First step is Add 3 to both sides
hope it helps

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A woman is 32 years older than her daughter. The product of their ages is 528. How old was the woman when the daughter was born?

Misha Larkins [42]

The woman was 32 when her daughter was born

7 0

3 years ago

Read 2 more answers

Please help I have 30 mins

Vladimir79 [104]

Answer: 0.6 in 10 % ; 0.4 in 15 %

Step-by-step explanation:

1. (x*10%) + (y*15%)/ x+y=12%

2. x+y = 1 x= 1-y

(0.1x + 0.15y/ x+y= 12/100) * 100

(10x + 15y/x+y = 12)*(x+y)

10x+15y= 12x + 12y

-2x=-3y

2x = 3y 2(1 - y)= 3y

2-2y=3y 2= 5y

y= 0.4

x= 0.6

4 0

3 years ago

Marco has drawn a line to represent the perpendicular cross-section of the triangular prism. Is he correct? Explain. triangular

evablogger [386]

Answer:

The correct option is;

Yes, the line should be perpendicular to one of the rectangular faces

Step-by-step explanation:

The given information are;

A triangular prism lying on a rectangular base and a line drawn along the slant height

A perpendicular bisector should therefore be perpendicular with reference to the base of the triangular prism such that the cross section will be congruent to the triangular faces

Therefore Marco is correct and the correct option is yes, the line should be perpendicular to one of the rectangular faces (the face the prism is lying on).