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Savatey [412]
3 years ago
12

4x≤12= I don't understand​

Mathematics
2 answers:
olga55 [171]3 years ago
8 0

Answer:

x ≤ 3

Step-by-step explanation:

Just divide both sides by 4, the sign stays the same because you're dividing by a positive number

cluponka [151]3 years ago
6 0

Answer:

its x ≤ 3

Step-by-step explanation:

<em>               4x≤12</em>

4x/4 ≤ 12/4 divide both sides by 4

that will give you x≤3.

So, that means x is less than or equal to 3.

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A bag holds 1 blue block and 3 yellow blocks. How many green blocks should be added to the bag to make the probability of random
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n - the number of green blocks which is equal to the number of favourable events
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6 0
3 years ago
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Humberto evaluates the expression 4t² for t=3. what is the answer??
Artist 52 [7]
4t<span>²
= 4(3)</span><span>²
= 4 x 9 
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7 0
3 years ago
Joey and Armando live on the same st as the park. The park is 9/10 mile from Joey's home. Joey leaves home and walks to Armando'
AleksandrR [38]
Let's start by assuming Armando's house is between Joey's and the park. 

Let x be the distance Joey walked to Armando's house.

<span>The park is 9/10 mile from Joey's home. Joey leaves home and walks to Armando's home. Then Joey and Armando walk 3/5 mile to the park. 

</span>\dfrac{9}{10} = x + \dfrac{3}{5}

x = \dfrac{9}{10} - \dfrac{3}{5} = \dfrac{9}{10} -\dfrac{6}{10} = \dfrac{3}{10}

That's probably the answer they're looking for.  But what if the park is between Joey and Armando's houses or Joey is between the park and Armando?  (The latter isn't really possible with the given distances.)

Let a, b, c be the distances between three collinear points like we have here.  Our equation is really a few equations in one, something like

\pm a \pm b = \pm c

Let's get rid of the plus/minuses. Squaring,

a^2 + b^2\pm 2ab = c^2

\pm 2ab = c^2-a^2-b^2

4a^2b^2 = (c^2-a^2-b^2)^2

For us, that's a quadratic equation for c^2

4(9/10)^2(3/5)^2= (c^2-(9/10)^2 - (3/5)^2)^2

I'll skip right to the solutions,

c^2=\dfrac{9}{100} \textrm{ or } c^2=\dfrac{9}{4}


c=\dfrac{3}{10} \textrm{ or } c=\dfrac{3}{2}

We could have gotten the 3/2 just by adding 9/10+3/5 but this was more fun.

6 0
3 years ago
What is 457×(783×635)​
Hoochie [10]

Answer:

227222685 i cant tell if u want me to multiply them all or solve for X

Step-by-step explanation:

3 0
3 years ago
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What is the square root of 50x^4
love history [14]

Answer:

5x²√2

Step-by-step explanation:

√50x^{4}

The <em>square root of x^4 is x²</em>.

The <em>square root of 50 is 5√2</em>.

Multiplying those two gives us 5x²√2

6 0
3 years ago
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