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victus00 [196]
2 years ago
10

I need Help PLEASE, I have a TEST tomorrow and I don't know how to do this!! Please Help Me! :,(

Mathematics
2 answers:
Anit [1.1K]2 years ago
7 0
Just remember to do PEMDAS
P,parentheses do what's in them first
E, exponent do what's in them 2nd. for M & D you just do multiply or divide whatever one comes 1st
for A & S then add and subtract you don't have
to do add at first it's just what come first.
hoped that helped
Alenkasestr [34]2 years ago
5 0
3.5×10^8 is the answer
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A rectangular playground has a perimeter of 180 feet. If the width of the playground is 24 feet less than the length, what is th
Blababa [14]
P = 2(L + W)
P = 180
W = L - 24
now we sub
180 = 2(L + L - 24)
180 = 2(2L - 24)
180 = 4L - 48
180 + 48 = 4L
228 = 4L
228/4 = L
57 = L

W = L - 24
W = 57 - 24
W = 33

so ur length (L) = 57 ft and ur width (W) = 33 ft
3 0
3 years ago
Find the coordinates of the midpoint of a segment having the given endpoints.
inysia [295]

Answer:

A. (1.55, 2)

Step-by-step explanation:

The formula to apply when finding the midpoint of a segment where the coordinates of the end points are given is;

midpoint=(\frac{x_1+x_2}{2} ,\frac{y_1+y_2}{2} )

where (x₁,y₁) and (x₂,y₂) are the coordinates of the end points

Given;

x₁= -0.4 ,y₁=2.5,  x₂=3.5, y₂=1.5 then applying the formula for midpoint

=(\frac{-0.4+3.5}{2} ,\frac{2.5+1.5}{2} )\\\\\\=(\frac{3.1}{2} ,\frac{4.0}{2} )\\\\\\=(1.55,2.0)

3 0
3 years ago
Solve the system of linear equations by elimination. 12x - 7y = -2 8x + 11y = 30​
Sergio039 [100]
Answers: (y = 2) and (x = 1)

Steps:

7 0
3 years ago
If x=-4 what is the value of the following expression?
Gre4nikov [31]

Answer:

2x^2 +3x -2

18

12

-22

-46

Step-by-step explanation:

6 0
2 years ago
Phil has two rectangular prisms. The height of the second prism is 1/2 times the height of the first prism. The lengths and widt
Vesnalui [34]

The volume of the second prism is also ten times the volume of the first prism.

Let's assume that both prisms have:

width = 3 units

height = 4 units

Prism 1 length = 5 units

Prism 2 length = 50 units

Let's solve their respective volumes to compare...

Volume of prism 1 = length * width * height

                             = 5 * 3 * 4

                             = 60 units ^3

Volume of prism 2 = 50 * 3 * 4

                             = 600 units ^3

Prism 2/ prism 1 = 10

That means prism 2 is ten times the volume of prism 1.

6 0
2 years ago
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