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3 years ago

Tremaine is mailing a package to his grandmother. Which tool and unit could be used to measure the weight of the package?

Mathematics

2 answers:

erik [133]3 years ago

7 0

Answer:tool:ruler

Unit:feet

Step-by-step explanation:

Vlada [557]3 years ago

3 0

He could use a scale to measure the weight and use pounds as the unit of measure.

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Expand and simplify 5(y-2) 2(y-3)

Julli [10]

(5y-10)(2y-6)
10y-30y-20y+60
-40y+60

Hope that helps!

7 0

3 years ago

the length of a rectangle is four times it's width.if the perimeter is 70cm. Calculate the length and area of the rectangle

Inga [223]

Step-by-step explanation:

width of rectangle(w)=x let

length (l)=4x

perimeter of rectangle=70

2(l+w)=70

2(4x+x)=70

8x+2x=70

10x=70

x=70/10

x=7

again,

length =4x=4×7=28cm
width=x=7

area of rectangle =l×w

7×28
196cm²

hope it helps.

8 0

3 years ago

[(3x6)+(5x2)]divided by 7 , Simplified <br><br> Don’t tell me the answer just simplify it

timofeeve [1]

Answer: simplified is 4

[(3x6)+(5x2)] /7

(18+10)/7

28/7

4

7 0

3 years ago

A poster is to have an area of 210 in2 with 1 inch margins at the bottom and sides and a 2 inch margin at the top. find the exac

slavikrds [6]

Let

x-------> the length side of the poster

y-------> the width side of the poster

we know that

Area of the poster is equal to

$210=x*y\\\\ y=\frac{210}{x}$ -------> equation $1$

Area of the printed area is equal to

$Aprinted=(x-2)*(y-3)\\ Aprinted=xy-3x-2y+6$ ----> equation $2$

substitute equation $1$ in equation $2$

$Aprinted=[210]-3x-2*[\frac{210}{x}]+6$

using a graph tool

Find the vertex of the graph

The vertex of the graph is the point that represent the value of x for the largest printed area

see the attached figure

the vertex is the point $(11.83,145)$

the largest printed area is $145 in^{2}$

$x=11.83 in$

find the value of y

$y=\frac{210}{x} \\ \\ y=\frac{210}{11.83} \\ \\ y=17.75in$

therefore

the answer is

The dimensions of the poster are $11.83 in x 17.75 in$

8 0

3 years ago

Read 2 more answers

Which numbers below are solutions to the inequality 4y+3≤−7?

MariettaO [177]

Answer:

answer is in picture

Step-by-step explanation:

4 0

3 years ago