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Amiraneli [1.4K]
3 years ago
14

Caroline's bedroom is the shape of a rectangular prism that measures thirteen feet long, ten feet wide, and 9 feet high. What is

the surface area of her room?
Mathematics
1 answer:
LiRa [457]3 years ago
7 0
You can slplit sides up and then add those areas up..find the areas of each of those sides seperatley and then you can add them up
meaning
2 sides 13*10*2= 260
2 sides 13*9*2= 234
2 sides 9*10*2=  180

so then add all the areas up and you get 674 ft^2
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Tony is comparing two checking accounts. one has a monthly fee of $15 and a per-check fee of $0.20, and the other has a monthly
monitta
$20 minus $15 = $5 difference
$5 divided by $0.20 = 25 checks
*Now the accounts are even, except I haven't done the checks for the second account.*
25 checks times $0.10 = $2.50
$2.50 divided by $0.20 = 12.5 checks (round up in this case to 13)
*Now, you need to do 13 more checks on the second account*
13 checks times $0.10 = $1.30
$1.30 divided by $0.20 = 6.5 checks (round up in this case to 7)
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$0.70 divided by $0.20 = 3.5 checks (round up in this case to 4)
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$0.40 divided by $0.20 = 2 checks
*Now, you need to do 2 more checks on the second account*
2 checks times $0.10 = $0.20
$0.20 divided by $0.20 = 1 check
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$0.10 divided by $0.20 = 0.5 checks (round up in this case to 1)
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1 checks times $0.10 = $0.10
$0.10 divided by $0.20 = 0.5 checks
25 + 13 + 7 + 4 + 2 + 1 + 1 = 53 checks

Check your work!
Account #1- $15 + (53 times $0.20) = $25.60
Account #2- $20 + (53 times $0.10) = $25.30

Answer
53 checks

7 0
4 years ago
Each row of the table shows two of the interior angle measures of two triangles.
NikAS [45]
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8 0
3 years ago
Hi! Currently struggling with understanding this.
Inessa [10]

Answer:

Therefore the length FG is 16 unit.

Step-by-step explanation:

Given:

∠E ≅ ∠G = 90°

DF bisects ∠EDG

Bisector Divide the angle in EQUAL parts

∴∠EDF ≅ ∠GDF

FE = n +5

FG = 2n - 6

To Find:

FG = ?

Solution:

In  ΔEDF  and ΔGDF  

∠E ≅ ∠G = 90°    ……….{Given}

∠EDF ≅ ∠GDF     ..……..{DF bisects ∠EDG}

DF ≅ DF              ……….{Reflexive Property}

ΔEDF ≅ ΔGDF  ….{ By Angle-Angle-Side Congruence test}

∴  FE ≅ FG        .....{corresponding parts of congruent triangles are congruent}

Substituting the values of FE and FG we get

n+5=2n-6\\2n-n=5+6\\n=11

Substituting ' n ' in FG we get

FG=2\times 11-6=22-6=16\ unit\\FG =16\ unit

Therefore the length FG is 16 unit.

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How many solutions does the systems of equations have? y - 5x = -6 and 3y - 15x = -12
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4 years ago
Read 2 more answers
-4/7p + (-2/7p) +1/7
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Answer:

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Step-by-step explanation:

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