3 years ago

3. Twelve coworkers go out for lunch together and order three pizzas. Each

Mathematics

1 answer:

Juli2301 [7.4K]3 years ago

8 0

2 slices for each person

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What is the reason for number 4 and 5?

Fiesta28 [93]

Answer:

4. QT and RT are 2 sides of an equilateral triangle.

5. Congruent by SAS

Step-by-step explanation:

All sides of an equilateral triangle are equal in length.

3 0

3 years ago

Ignore circled one and work it out please

mash [69]

Answer:

a. $\frac{(x-7)}{x^2+x-30}$

Step-by-step explanation:

$\huge \frac{x^2-3x-28}{(x^2+10x+24)(x-5)} \\\\\huge {=\frac{x^2-7x+4x-28}{(x^2+6x+4x+24)(x-5)}}\\\\\huge {=\frac{x(x-7)+4(x-7)}{\{x(x+6)+4(x+6)\}(x-5)}}\\\\\huge {=\frac{(x-7)(x+4)}{(x+6)(x+4)(x-5)}}\\\\\huge {=\frac{(x-7)}{(x+6)(x-5)}}\\\\\huge {=\frac{(x-7)}{x^2+(6-5)x+6(-5)}}\\\\\huge {=\frac{(x-7)}{x^2+x-30}}$

3 0

3 years ago

<img src="https://tex.z-dn.net/?f=7y%20%5Ctimes%204x%20-%205x%20%7B%3F%7D%5E%7B2%7D%20" id="TexFormula1" title="7y \times 4x - 5

lapo4ka [179]

The answer is i don’t know or I don’t care and what are we trying to find

5 0

3 years ago

What are the x and y intercepts of the below equation

lozanna [386]

Plug in 0 for x
0 - 6y = 30
y = -5
Y intercept: (0,-5)

Plug in 0 for y
5x = 30
X = 6
X intercept: (6,0)

3 0

2 years ago

A teacher is four time as old as a student .in 20 years, the student 's age will be half of the teacher 's age. How old are they

notka56 [123]

Let the present age of student be x
Present of teacher will be 4x

After 20 years,
Age of student = x + 20
Age of teacher = 4x + 20

According to the given condition after 20 years,
x + 20 = (4x + 20)/2
x + 20 = 2x + 10
2x - x = 20 - 10
x = 10

So student's present age is 10 years while teacher's is 4 x 10 i.e 40 years.

Hope This Helps You!

5 0

3 years ago