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2 years ago

Simplify the following: 4x - 11y + 9x - 1y - 2x + 5x

Mathematics

2 answers:

victus00 [196]2 years ago

6 0

Answer:

16x-12y

Step-by-step explanation:

Combine like terms

8_murik_8 [283]2 years ago

5 0

Answer:

16x + -12y

Step-by-step explanation:

if you group all of the x's you get 16x and if you group all of the y's you get -12y.

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A box of pencils is 5 1/4 inches wide. Seven pencils, laid side by side, take up 2 5/8 inches of the width. How many inches of t

Andre45 [30]

Answer: Width of box is not taken up by pencils = $2\dfrac58\text{ inches}$

Width of each pencil $=\dfrac38\text{ inches}$

Step-by-step explanation:

Given: Width of pencil box = $5\dfrac14\text{ inches}=\dfrac{21}{4}\text{ inches}$

Width of seven pencils = $2\dfrac58\text{ inches}=\dfrac{16+5}{8}\text{ inches}=\dfrac{21}{8}\text{ inches}$

Width of box is not taken up by pencils = Width of pencil box - Width of seven pencils

$\left \{ {{y=2} \atop {x=2}} \right. \dfrac{21}{4}-\dfrac{21}{8}\\\\=\dfrac{21\times2-21}{8}\\\\=\dfrac{21}{8}\text{ inches}=2\dfrac58\text{ inches}$

Width of box is not taken up by pencils = $2\dfrac58\text{ inches}$

Width of each pencil = (Width of seven pencils ) ÷ 7

$=\dfrac{21}{8}\div7\\\\=\dfrac{21}{8}\times\dfrac17\\\\=\dfrac38\text{ inches}$

Width of each pencil $=\dfrac38\text{ inches}$

3 0

2 years ago

Read 2 more answers

Your family is traveling 345 miles to an amusement park. You have already traveled 131 miles. How many more miles must you trave

Svetllana [295]

Answer:

214 miles

Step-by-step explanation:

To find the difference between miles already traveled and total miles you need to travel, you subtract ...

345 miles - 131 miles = 214 miles

You must travel 214 more miles to complete your 345 mile journey.

7 0

3 years ago

Evaluate. 1+5⋅32 A. 8 b. 9 c. 16 d.18

Anna007 [38]

Answer:

the answer should be 161

6 0

3 years ago

The heights of the elevators can be modeled by the linear functions. At times t=0. Elevator A is 16 feet above ground floor and

polet [3.4K]

The answer is second one which is B

3 0

2 years ago

Showing algebraic support, find the value of x.

Travka [436]

Answer:

x = 52.5

Step-by-step explanation:

The triangle on the left has 2 congruent sides, thus is isosceles

The base angles of an isosceles triangle are also congruent, thus

x = $\frac{180-75}{2}$ = $\frac{105}{2}$ = 52.5

3 0

2 years ago