MATHEMATICS MIDDLE SCHOOL

(x-4) (x+7)
distribution method​

Answers

Answer 1
Answer:

the answer would bex squared + 3x - 28
Answer 2
Answer:

x^2-11x+28 (FOIL method)

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Can someone help me with the these problems?

Answers

25) 32.52.

38.25 x .15 = 5.73

then subtract that amount from the total

38.25-5.73=32.52

A tent is in the shape of a triangular prism. The front and back are isosceles triangles with base 6 feet and height 4 feet. The surface area of the entire tent is 104 square feet. What is the depth of the tent?

Answers

6×4= 24
104 ÷24=4.3
hope this helps

Given matrix Y = [4,8,-3,-6] and matrix Z = [-1,-2,7,2]. What is matrix X if 1/2(X+Z)=Y?

Answers

Answer:

[9,14,-13,-14]

Step-by-step explanation:

if 1/2(X+Z)=Y

X+Z=2Y

X+Z=2([4,8,-3,-6])=[8,16,-6,-12]

X=2Y-Z

X=[8,16,-6,-12]-[-1,-2,7,2]=[9,14,-13,-14]

X=[9,14,-13,-14]

Answer:  [9,18,-13,-14]  

What is the distance from Galveston to Houston if it is 1.5 inches on a map 1 inch =55 miles

Answers

1in                  1.5
------        =     --------        (cross multiply)
55 mi                x


x=55(1.5)
x=82.5 miles

A ticket agency charges a 9.5% fee on all tickets sold. if a ticket costs $40, what is the fee?

Answers

to find a percent of money taken from the $40 than you have to multiply it by the percent you are trying to find 9.5%(.095)
40*.095=fee
40*.095=3.8
so the agency charges $3.80 for one $40 ticket
4.22 you just divide 40 by 9.5. I think...

write the 3- digit number That answer the riddle. I have the same ones as Hundreds digit digit. the value of my tens digit is 50. The value of my ones digit is 4.

Answers

represent the digits as
xyz where they represent whole single digit numbers

same ones place as hundreds
x=z
xyx
value of 10s is 50
one is 4
therefor since 10s is 50 divide by 10 and get 5 for tens digit
y=5
ones is 4
ones=hundred
hundred=4
number is 454
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