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Nostrana [21]
3 years ago
12

R+(−5r) combine pleaase asap

Mathematics
1 answer:
Keith_Richards [23]3 years ago
3 0

Answer: -4R

Step-by-step explanation:

Combine like terms

1. R technically has a 1 in front making it 1R

2. -5R + 1R = -4R

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A box witxh a height (x+5) cm has a square base with side x com. A second box with height (x+2) com has a square base with side
Eva8 [605]

Answer:

x=5.37 cm

Step-by-step explanation:

we know that

The volume of the box is

V=Bh

where

B is the area of the base of the box

h is the height of the box

<em>Box 1</em>

we have that

The area of the base is

B=x^2\ cm^2

h=(x+5)\ cm

The volume of the Box 1

is equal to

V_1=x^2(x+5)\ cm^3

V_1=(x^3+5x^2)\ cm^3

<em>Box 2</em>

we have that

The area of the base is

B=(x+1)^2\ cm^2

h=(x+2)\ cm

The volume of the Box 2

is equal to

V_2=[(x+1)^2(x+2)]\ cm^3

V_2=[(x^2+2x+1)(x+2)]\ cm^3

V_2=(x^3+2x^2+x+2x^2+4x+2)\ cm^3

V_2=(x^3+4x^2+5x+2)\ cm^3

Equate the equation of Volume 1 to the equation of Volume 2

(x^3+5x^2)=(x^3+4x^2+5x+2)

(5x^2)=(4x^2+5x+2)

5x^2-4x^2-5x-2=0

x^2-5x-2=0

Solve the quadratic equation by graphing

using a graphing tool

The solution is x=5.37 cm

see the attached figure

8 0
3 years ago
Given tan theta =4/3 and sin theta =-4/5, find cos theta
Gnesinka [82]
<span>given tan theta 4/3 and sin (-4/5), find cos theta
cos theta-3/5</span>
3 0
3 years ago
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Please help me with this
Serga [27]

Answer:

11 sq.ft

Step-by-step explanation:

∅= 80×π/180= 4π/9

area= 1/2 × r²× ∅

= 1/2 × 16 × ∅

= 8∅

=8×(4π/9)

= 32π/9

= 11.17 ~11

6 0
3 years ago
The table shows the heights in inches of seven players on a college basketball team. Which statement is NOT true?
motikmotik

Answer:

use a median , mean and median mode calculator there are plenty online...i don't know for sure this question but you can use those calculators it will generate it for you

Step-by-step explanation:

7 0
3 years ago
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Each year Lizzie's school purchases student agenda books, which are sold in the school store. This year, the school purchased 35
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Divide $1,137.50 by 350 to see out how much each book costs. Then divide $1,500 by 350 to see how much the school should add to the price of each agenda book to make the total profit. So the answer should be: (1137.50/350)+(1500/350) = minimum price
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3 years ago
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