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Crank
3 years ago
9

Which expression shows the result of applying the distributive property to −2(13x−15)−2(13x−15) ?

Mathematics
2 answers:
finlep [7]3 years ago
8 0

Answer:

Option A is correct.

-\frac{2}{3}x +\frac{2}{5}

Step-by-step explanation:

Given that: -2(\frac{1}{3}x-\frac{1}{5})        .....[1]

The distributive property says that:

a\cdot (b+c) = a\cdot b + a\cdot c

Apply the distributive property in equation [1] we get;

-2 \cdot \frac{1}{3}x + 2 \cdot \frac{1}{5}

Simplify:

-\frac{2}{3}x +\frac{2}{5}

Therefore, the expression that shows the result of applying the distributive property to  -2(\frac{1}{3}x-\frac{1}{5}) is, -\frac{2}{3}x +\frac{2}{5}

defon3 years ago
3 0
D is the answer good luck

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The dimensions of the tank are 50 cm by 32 cm by 20 cm. The tank is full of water and sand. The ratio of the volume of water to
Sauron [17]

Given:

Dimensions of a tank are 50 cm by 32 cm by 20 cm

The tank is full of water and sand

Ratio of volume of water to the volume of sand is 5:1

To find:

Volume of water in the tank in liters

Solution:

Without loss of generality, let,

Length of tank = 50 cm

Breadth of tank = 32 cm

Height of tank = 20 cm

Then, we have,

Total Volume of the tank = Length * Breadth * Height

\Rightarrow Total Volume = 50*32*20 cc

\Rightarrow Total Volume = 32000 cc

It is given that,

Volume of water : Volume of sand = 5:1

\Rightarrow (Volume of water)/(Volume of sand) = 5/1

Cross multiplying, we have,

Volume of sand = (Volume of water)/5

It is also given that the tank is full of water and sand. This implies that,

Volume of water + Volume of sand = Total Volume

Using the value, we obtained, we get,

Volume of water + (Volume of water)/5 = Total Volume

\Rightarrow (6 * Volume of water)/5 = Total Volume

Plugging in the value of total volume, we get,

\Rightarrow (6 * Volume of water)/5 = 32000 cc

\Rightarrow Volume of water = \frac{32000*5}{6} cc

\Rightarrow Volume of water \approx 26,666.6667 cc

We know that,

1 cc = 0.001 liters

\Rightarrow 26,666.6667 cc = (26666.6667 * 0.001) liters

\Rightarrow 26,666.6667 cc \approx 26.667 liters

Thus, Volume of water in the tank is approximately 26.667 liters

Final Answer:

Volume of water in the tank (in liters) is approximately 26.667 liters

4 0
2 years ago
⚠️Attention ⚠️HELPPPPPP!!!!!
german

Answer:

it would be B.

Step-by-step explanation:

6 0
2 years ago
4. What is the value of b in the triangle shown below? (1 point)
koban [17]
C no solution none could be multiplied to be 24 in
3 0
2 years ago
H(x-2)+6 In simpliest form
Ganezh [65]

Answer:

hx-h2+6

Step-by-step explanation:

First solve the parentheses, do h*x - 2h, then add the +6.

Hope I helped! :D

6 0
3 years ago
Need Help PLZ!!!!!!!!!!!!
d1i1m1o1n [39]

The answer is A. Because you can’t lose the amount of steps you took.

4 0
3 years ago
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