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sdas [7]
3 years ago
7

PLEASE HELP ASAP!! 50 POINTS!!!

Mathematics
2 answers:
Nadusha1986 [10]3 years ago
6 0
12 gallons should be used
Andre45 [30]3 years ago
5 0
<span>Quantity Equation: t + s = 20 gallons
Lemon content Eq: 20t+70s = 40*20 gallons
</span><span>Modify for elimination:
2t + 2s = 2*20
2t + 7s = 4*20
</span><span>Subtract and solve for "s":
5s = 2*20
s = 8 gallons (amt. of 70% mix needed)
t = 20-8 = 12 gallons (amt of 20% mix needed)</span>
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teresa repartee un chocolate entre sus hermanos. ella le dio 1/3 a miguel y 1/4 a diego. que parte de chocolate repartido teresa
jekas [21]

Answer:

Teresa tiene 1 chocolate.

Ella le da 1/3 del chocolate a Miguel, entonces ahora Teresa tendrá un chocolate menos un tercio de chocolate, es decir, ella tiene:

1 - 1/3 = 3/3 - 1/3 = 2/3 de un chocolate.

Ahora le da 1/4 a diego, entonces lo que le sobra va a ser:

2/3 - 1/4

recordar que tenemos que tener el mismo denominador en ambas fracciones, entonces podemos reescribir esto como:

(4/4)*(2/3) - (3/3)*(1/4)

(a cada fracción la multiplico y divido por el denominador de la otra)

8/12 - 3/12 = (8 - 3)/12 = 5/12

Es decir, Teresa finalmente tiene 5/12 del chocolate.

Entonces la parte de chocolate que repartió es lo que le falta, que se obtiene como:

1 - 5/12 = 12/12 - 5/12 = 7/12

Ella repartió 7/12 de su chocolate.

4 0
3 years ago
Help me please! 30 points!
pshichka [43]

Answer: The answer is C :) hope that helps

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Please someone help me
Yuki888 [10]

Answer: H

Step-by-step explanation:

We can see this rectangular prism will have side lengths of 5, 3, 7.

So we can use the fact Surface Area = 2(lh+wh+lw) to get:

2(15 + 35 + 21) = 2(71) = 142

5 0
2 years ago
What is the factored form of -1/2(32x - 40) - (20x - 4)? ​
inna [77]

Answer:

12(-3x + 2)

Step-by-step explanation:

-1/2 ( 32x - 40) - (20x - 4) = -16x + 20 - 20x + 4 = -36x + 24 = 6(-6x + 4) = 12(-3x + 2)

8 0
3 years ago
Read 2 more answers
Can you buy a watch that cost $45.50 tax rate is 9.5% what is the final cost
STatiana [176]

Answer:

$49.82

Step-by-step explanation:

To find the cost of the watch with tax, multiply the price by 1.095:

45.5(1.095)

= 49.8225

Round to the nearest hundredth:

= 49.82

So, the final cost is approximately $49.82

5 0
3 years ago
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