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2 years ago

If a math word problem has the word each do you have to multiply or Divide HELP ASAP

Mathematics

1 answer:

andrezito [222]2 years ago

5 0

Answer:

I believe its to divide

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First answer get best marks

Karo-lina-s [1.5K]

Answer:

The three expressions are the first option, the third option, and the forth option

Step-by-step explanation:

I don't really know how to explain my math lol but I solved 5(1/3x+7)-3(1/2x-), and got x, and plugged in x to the equation. I got my answer, and plugged in x to the rest of the equations and the first one, third one, and fourth ones were the ones that had equal answers. You may want to check my math though because i am not the best but that is what I got.

8 0

2 years ago

If X = {−1, 0, 2} and Y = {1, 2, 5}, find X ∪ Y.

malfutka [58]

Answer:

(0,-1,2,5)

Step-by-step explanation:

$X = (-1, 0, 2)\\Y = (1, 2, 5)\\ \\X U Y = ?\\= (-1, 0,2,5)$

7 0

2 years ago

The shadow of a tower is equal to its height at 10.45 a.m. The sun’s altitude is

Phoenix [80]

Incomplete question.

3 0

2 years ago

Danny is building a pyramid modeled after one of the great pyramids of Giza in Egypt .The great pyramid has a height of 480 feet

Licemer1 [7]

Answer:

91.204 cubic feet

Step-by-step explanation:

We are given that

Height of great pyramid, h=480feet

Side of square base, a=755 feet

Height of Danny's pyramid, h'=480/100 feet

Side of square base of Danny's pyramid, a'=755/100 feet

We have to find the volume of Danny's pyramid if the volume of Danny's pyramid is 1/100 the size of great pyramid.

We know that

Volume of square base pyramid, V= $\frac{1}{3}a^2h$

Where a= Side of base

h=Height of pyramid

Using the formula

Volume of Danny's pyramid= $\frac{1}{3}\times(755/100)^2(480/100)ft^3$

Volume of Danny's pyramid=91.204 cubic feet

7 0

2 years ago

point p' is the image of p(5,-5) under a translation by 2 units to the left and 5 units up what are the coordinates of p'

Lubov Fominskaja [6]

p' is (3, 0), since the coordinates are being translated 2 units left and 5 units up.

4 0

2 years ago