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3 years ago

15

A radio station requires DJs to play to commercials for every 10 songs they play. What is the unit rate of this song to commerci

als

1 answer:

deff fn [24]3 years ago

5 0

There will be 10 commercials if one hundred songs

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I need help with these two equations

Ivan

for these you need to rearrange the equations and do substitutions.

#3 = if x+y=5 then you know x = 5-y

now substitute that equation for x in the 2nd one so x + 2y = 8 becomes

5-y + 2y = 8 2y - y becomes 1y which becomes y then subtract 5 from each side to get y =3

now replace y with 3 in the first equation x = 5-3 so x = 2

so (2,3) is the answer

same type of work for #4

2x-y=6 ,S0 y = 2X+6

so now you have 4x+2(2x+6)=-4

that becomes 4x +4x+12 = -4

8x+8 = 1, x =1

y = 2(1)-6 = -4

so answer is (1,-4)

7 0

3 years ago

Convert 1.580 hectoliters to deciliters.

PIT_PIT [208]

1,580 Hectoliters =
1,580,000 Deciliters

5 0

3 years ago

Read 2 more answers

If 70% is £14 what is the full price

Veseljchak [2.6K]

70℅ = 14
100 = X

70X = 1400

X = 1400/70

X = 20

20 Euros is the full price

6 0

3 years ago

Use the distributive property to find two expressions that are equivalent to 7(3x - 4)

ehidna [41]

I could only figure out one... sorry! Good luck

The answer is: 21x-28

7 0

3 years ago

REPOST!!!!!! 20 POINTS!!!!!!

kkurt [141]

Answer:

A

Step-by-step explanation:

according to tangent property

we get

AM=BM
AN=CN
BK=CK

Given that

AM=6
BK=4

Thus our equation is

$\rm \displaystyle 2AM + 2AN + 2BK = 34$

substitute the given values

$\rm \displaystyle 2.6+ 2AN+ 2.4 = 34$

simplify multiplication:

$\rm \displaystyle 12+ 2AN+ 8 = 34$

simplify addition:

$\rm \displaystyle 2AN+ 20= 34$

cancel 20 from both sides:

$\rm \displaystyle 2AN=14$

divide both sides by 2:

$\rm \displaystyle AN=7$

AN=CN

hence,CN=7

therefore our answer is A

6 0

2 years ago