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Georgia [21]
3 years ago
6

Select ALL statements that are true about the linear equation:

Mathematics
1 answer:
murzikaleks [220]3 years ago
8 0

Answer:

B

Step-by-step explanation:

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Write a real-world problem that could be represented by the inequality.<br> 3x + 6 &gt; 27
liubo4ka [24]
Hello! We see that 6 is the fixed amount. x represents the amount of something, and the solution makes a number $27. Let's make a real-world problem and then execute it.

Fawn has $6 in her piggy bank. She makes bracelets to sell to family & friends for $3 each. She wants to buy a video game that with tax, costs a little over $27. How many bracelets would Fawn have to sell in order to have enough money to buy the video game?

How to solve it:

So we have the expression of 3x + 6 > 27. First off, subtract 6 from both sides. 6 - 6 cancels out. 27 - 6 is 21. That's 3x > 21. Now, divide each side by 3 to isolate the x. 3x/3 cancels out. 21/3 is 7. There. x > 7. Fawn will have to sell more than 7 bracelets in order to have enough money for the game.
8 0
3 years ago
A waterfall has a height of 900 feet. A pebble is thrown upward from the top of the falls with an initial velocity of 24 feet pe
aliya0001 [1]

Answer:

The pebble will hit the ground 8.29 second after it is thrown.

Step-by-step explanation:

Given that,

The height of the pebble after t seconds is given by the equation

h= -16t²+24 t+900.

When the pebble hit the ground, the height of the pebble will be zero.

So putting h=0 in the given equation.

0 = -16t²+24 t+900

⇒-4(4t²-6t-225)=0

⇒4t²-6t-225=0

Applying quadratic formula t=\frac{-b\pm\sqrt{b^2-4ac}}{2a}, here a=4, b= -6 and c= -225.

\therefore t=\frac{-(-6)\pm\sqrt{(-6)^2-4.4.(-225)}}{2.4}

⇒ t = 8.29, -6.79

Since time can not negative.

∴t=8.29 seconds.

The pebble will hit the ground 8.29 second after it is thrown.

7 0
3 years ago
Which is the better buy?<br> 3-foot piece of twine for $7.38<br> 3-yard piece of twine for $16.11
ratelena [41]
Three yard piece for 16.11! Hope this helps
8 0
3 years ago
7b ÷ 12 = 4.2  what does b =
Luda [366]
7b/12=4.2
7b=50.4
b=7.2

hope this helps
3 0
4 years ago
Read 2 more answers
Distance formula: Does the point (2, rt sqr. 6 ) lie on the circle shown? Explain.
Zepler [3.9K]

Answer:

Thus, the fourth answer choice is the correct one

Step-by-step explanation:

Let's check this, using the Pythagorean Theorem:

"Yes, the distance from (0, 0) to (2, square root 6 ) is 3 units."

Does 2² + (√6)² = 3²?

Does 4 + 6 = 9?  NO.   .

5 0
4 years ago
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