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bixtya [17]
3 years ago
13

There are 15 desk in a teachers classroom. The teacher removed 3/5 of the desks from her classroom. How many desk did the teache

r remove?
Mathematics
1 answer:
FrozenT [24]3 years ago
7 0

Step-by-step explanation:

To subtract fractions, find the LCD and then combine.

Exact Form: 72/5

decimal form: 14.4

mixed number form: 15 2/5

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△DEF is shown below.<br><br>Triangle DEF<br><br>What is m∠DEF?​
S_A_V [24]

Answer:

m∠DEF = 50

Step-by-step explanation:

∠DEG = ∠GEF

3y + 4 = 5y - 10

subtract 4 from both sides

3y = 5y - 14

subtract 5y from both sides

-2y = -14

divide by -2

y = 7

Add 7 into the equations:

3y + 4 + 5y - 10

3(7) + 4 + 5(7) - 10

21 + 4 + 35 - 10

25 + 25

50

4 0
3 years ago
​ c(1)=−20 c(n)=c(n−1)+10 ​ Find the 2nd term in the sequence.
Bad White [126]

Answer:

-10 is the second term.

Step-by-step explanation:

After the first term each term is obtained from the previous one by adding 10.

c(1) = -20

so c(2) = -20 + 10

= -10.

3 0
3 years ago
What is the measure of angle b?
KengaRu [80]

Answer:

idk sry

Step-by-step explanation:

sry

4 0
3 years ago
Read 2 more answers
PLEASE PLEASE HELP ME 30 POINTS!<br><br> x + 20 ≤ -10
Artemon [7]

X + 20 <= -10

Subtract 20 from both sides:

X <= -30

7 0
3 years ago
Read 2 more answers
the area of a reactangle mirror is 11 11/16 square feet the width of the mirror is 2 2/4 feet. if there is a 5 foot tall space o
77julia77 [94]
So square feet is area which is legnth times width or area=lw or a=lw

width=w=2 2/4
2/4=1/2
w=2 1/2=5/2

a=lw
11 11/16=187/16
187/16=l(5/2)

multiply both sides by 2/5 to clear the fraction (1/2 times 2/1=2/2=1)

374/80=legnth
simplify
374/80=187/40=4 27/40=legnth

legnh must be less than 5 and 4 and 27/40 is less than 5 so it will fit
8 0
3 years ago
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