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Snezhnost [94]
3 years ago
12

​3x-2≤5(x+2) . show all steps please.

Mathematics
2 answers:
Alla [95]3 years ago
5 0

Answer:

Step-by-step explanation:

You have to first use the distributive property of 5(x+2)

That would be 5x+10.

So it would be all together

3x-2\leq 5x+2

to see if it is true

x=2

6-2

6-2\leq 10+2\\4\leq 12

it is true

Natasha_Volkova [10]3 years ago
3 0

Answer:

-6 ≤x

Step-by-step explanation:

3x-2≤5(x+2)

Distribute

3x-2≤5x+10

Subtract 3x

3x-2-3x≤5x +10-3x  

-2 ≤2x+10

Subtract 10 from each side

-2-10 ≤2x+10-10

-12 ≤2x

Divide by 2

-12/2≤2x/2

-6 ≤x

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17/15 - 4/5 please answer
arlik [135]

Answer:

1/3

Step-by-step explanation:

17/15-4/5

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17/15-12/15

17-12/15

5/15

1/3

6 0
3 years ago
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Papessa [141]

Answer:

The side lengths cannot belong to a right triangle.

Step-by-step explanation:

This is a simple case of Pythagorean proof. If this triangle was a right triangle, 20^2 + 21^2 = 28^2. However, this is not the case. 20^2 + 21^2 = 841, which square root is 29.

If you forgot, the Pythagoren Theorem is: a^2 + b^2 = c^2.

Hope this helps!

5 0
3 years ago
Adjust the number into correct standard form. 96 × 10^−2
SSSSS [86.1K]

Answer:

Since the exponent of the scientific notation is negative, move the decimal point 2 places to the left.    

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8 0
3 years ago
If the ratio football players two basketball players at your school is 7:5 then how many basketball players are there if they ar
Levart [38]

Answer:

I think that there are 15 basketball players.

Step-by-step explanation:

If there is a ratio of football to basketball players of 7:5, and there are 21 football players. i just divide 21 by 7 and get 3. so if we multiply the 5 in the ratio by 3 we get 15. so I think the answer is 15. if not then ignore my answer. if so the brainliest please?

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3 years ago
100 POINTS!!! VERY URGENT
Marta_Voda [28]

Answer:

<u>D) (f o g)(x) = 10x² - 60x + 93</u>

Step-by-step explanation:

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g(x) = x - 3

⇒ (f o g)(x)

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⇒ f(x - 3) = 10(x - 3)² + 3

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6 0
2 years ago
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