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3 years ago

Help me answer the question.

Mathematics

1 answer:

Studentka2010 [4]3 years ago

7 0

1/8 = 12.5 and 3/4 = 75 so he can wash 6 times before running out.

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Madame curie made some radium in her lab. she used 2/5 kg of the radium in an experiment and had 1 1/4 kg left. how much radium

jasenka [17]

SHE HAD 3/5 TO START I BELIEVE

8 0

2 years ago

Read 2 more answers

A. Translate each of the following into algebraic expressions: (1 point each)

myrzilka [38]

A. Translate each of the following into algebraic expressions: (1 point each) 1.x plus y squared ---> x + y^2
2.8 times a number, x, decreased by y ---> 8x - y
3.the sum of x and y, squared ---> (x + y)^2
4.3 times the difference of x and y ---> 3( x - y)
5.6 less than x cubed --- > x^3 - 6

B. Translate the following phrases into algebraic expressions. Explain, in complete sentences, the difference between the two. (3 points)

´twice the sum of x and y ---> 2(x + y)
´the sum of twice x and y ---> 2x + y

The first one adds first x and y, and then doubles the result, while the second one first doubles de value of x and the adds y.

C. Create your own example of a mathematical phrase you might hear in the real world and provide the translation for it. Be sure to identify what part of the phrase i

The sales of this year exceeded the sales of last year in tweny millions.

y = x + 20,000,000, where x represents the sales of last year and y represents the sales of this year,

5 0

3 years ago

N × $3.05 = $305.00=

sdas [7]

Answer:

n = 100

Step-by-step explanation:

Step 1:

n × $3.05 = $305 Equation

Step 2:

n = $305 ÷ $3.05 Divide

Answer:

n = 100

Hope This Helps :)

4 0

2 years ago

Jayden leans a 30-foot ladder against a wall so that it forms an angle of 65 ∘ with the ground. How high up the wall does the la

vaieri [72.5K]

Answer:

27.19 ft.

Step-by-step explanation:

sin 65 = x/30

sin 65(30) = x

27.189 ≈27.19

8 0

2 years ago

Find the area of the figure below

Serhud [2]

Easy

the easiest way is to imagine that you have a rectangle with a corner cut off
the area of the figure=area of rectangle-area cut off

area that was cut off was a triangle

area of rectangle=length times width
area of triangle=1/2base times height

so we draw imaginary lines like in attachment
find area of rectangle
legnth=9 inch
width=9 inch
area=9 times 9=81 in^2

triangle
the top part is ?+5=9, so the base of triangle=4
the side is ?+4=9, so the base is 5
area=1/2 times 4 times 5=10 in^2

area=rectangle-triangle
area=81-10=71 in^2

7 0

3 years ago

Read 2 more answers