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galina1969 [7]
2 years ago
14

PLZZZ. HELP ME. IM GIVING AWAY LOADS OF POINTSSSSSSSSSSSS

Mathematics
1 answer:
kondaur [170]2 years ago
6 0

Answer:

-14

Step-by-step explanation:

Its the same as 5-19

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Please help me Asap!! I don't have much time to answer this. Will give brainliest!<br> NO LINKS!!
Advocard [28]

Answer:

  • 3/5

Step-by-step explanation:

<u>Number of those drive to school:</u>

  • 2 + 13 + 25 = 40

<u>Number of those don't drive:</u>

  • 100 - 40 = 60

<u>Probability:</u>

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5 0
2 years ago
.
jarptica [38.1K]

Answer:

3 gallons

Step-by-step explanation:

Let

x ----> the amount of pure acid (100% solution) in gallons

Remember that

100\%=100/100=1

20\%=20/100=0.20

60\%=60/100=0.60

we know that

(1)(x)+(0.20)(3)=(0.60)(x+3)

solve for x

x+0.60=0.60x+1.80

x-0.60x=1.80-0.60\\0.40x=1.20\\x=3\ gal

therefore

3 gallons of pure acid should be mixed with 3 gallons of a 20% acid solution in  order to get a 60% acid solution

7 0
3 years ago
How to solve (x+3)^2+7=29
tangare [24]
X^2 + 9 + 7 = 20
X^2 +16 = 20
X^2 = 20-16
X^2 = 4
Root 4 = 2
X=2
6 0
3 years ago
PLEASE SHOW YOUR WORK WITH YOUR ANSWER. Two bags had 50 kilograms of sugar each. After taking out 3 times as much sugar from bag
Svetllana [295]

Answer:

Bag 1: 20

Bag 2: 40

Step-by-step explanation:

Let x be the amount taken out of bag 2

Then the amount left in each bag can be written as:

Bag 1: 50-3x

Bag 2: 50-x

Since we know that half of bag 2 is bag 1, that gives us:

50-3x = 1/2(50-x)

-> 50-3x = 25-x/2

Now lets isolate x and solve:

25 = 5x/2

-> 50 = 5x

-> x = 10

So plug x bag in for the original equations:

Bag 1: 50-3x = 50-3(10) = 20

Bag 2: 50-x = 50-10 = 40

4 0
3 years ago
Is the following relation a function?<br><br> x y<br> −1 −2<br> 2 3<br> 3 1<br> 6 −2
PilotLPTM [1.2K]
Yes because no same x-valu resulted in different y-values.
6 0
3 years ago
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