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yawa3891 [41]
4 years ago
15

Good morning everyone! How are you all today? Here are five questions that I need help on. Ill give Brainly's, high ratings, tha

nks and points for math. Hope you all have a great morning!

Mathematics
1 answer:
SpyIntel [72]4 years ago
5 0

1. Equivalent Expressions are written quantities that are equal.

To find equivalent expressions, it looks like you can just expand the second expression and then see if it matches the first.

2. So, expand 5(2x+3) using the distributive property.

5(2x+3) = 5×2x + 5×3 = 10x+15

It matches the first expression which means that they are equivalent.

I will also do 2-5 for you to check your work.

3. -2(-6+5) = 12-10 = 2            2 ≠ 12x-10

not equivalent

4. 3(4x+5) = 12x+15              12x+15 ≠ 12x-15  

not equivalent

5. -(-4x-3) = 4x+3                    4x+3 ≠ 4x-3

not equivalent

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If (3,4) is reflected across the x-axis what are the new coordinates​
oksano4ka [1.4K]

Answer:

The answer is (-3, 4).

Step-by-step explanation:

(3, 4) is located in Quadrant I, which is (+, +). Since you're reflecting the point across the x-axis, you'll be in Quadrant IV, which is (-, +). The point will now be (-3, 4).

I hope this helped! :-)

8 0
4 years ago
Common factor of 54z^3 and 18z and 36z^2
likoan [24]

Answer:

18z

Step-by-step explanation:

The highest common factor of 54, 18 and 36 is 18

The highest common factor of z³, z and z² is z

The highest common factor of 54z³, 18z and 36z²

is therefore 18z

6 0
4 years ago
Graph y=-6(3)^x<br><br> please do the table and the graph <br><br> 20 POINTS!
Margarita [4]

Answer:

<em>Explanation to the answer below... (Answers in the Explanation</em><em>)</em>

Step-by-step explanation:

We Know that our rule is y = y = -6(3)^{x} , which means we can use this rule to find y from x. Since we don't know what X, is, we have to assume numbers like 1, to 7. And there is no space to write on the graph, I'll put a virtual copy of a graph.

1st Point,

y = -6(3)^{x}\\y =  -6(3)^{1}\\y = -6(3)\\y = -18\\x = 1, y = -18

2nd, point

y = -6(3)^x\\ y = -6(3)^2\\y = -6(9)\\y = -54\\x = 2, y = -54

3rd Point

y = -6(3)^x\\y = -6(3)^3\\y = -6(27)\\y = -162\\x = 3, y = -162

4th Point

y = -6(3)^4\\y = -6(81)\\y = -486\\x = 4, y = -486\\

5th Point

y = -6(3)^5\\y = -6(243)\\y = -1458\\\x = 5, y = -1458

6th Point

y = -6(3)^x\\y = -6(3)^6\\y = -6(729)\\y = -4,374\\x = 6, y = -4,374\\

7th Point (Last Point)

y = -6(3)^x\\y = -6(3)^7\\y = -6(2,187)\\y. = -13,122\\x = 7, y = -13,122

Let's now plot them on the Graph, the values are so big, the graph might look a little odd.

Always remember that we can continue the points infinitely, and there is no stop, The Graph is attached below...

4 0
3 years ago
8p - 15 - 49<br> what’s p and what’s 8p
lakkis [162]
That answer is 8 (p-8)
6 0
3 years ago
GUYS CAN SOMEONE PLEASE HELP ASAP?<br> THANKS SO MUCH ULL GIVE 40POINTS AND BRAINLIEST
zubka84 [21]

Answer:

1136/295 cm

Step-by-step explanation:

Corresponding lengths of similar figures are proportional.

If we let the radius of the second cylinder be x,

x/6.4 = 7.1/11.8

x = 6.4(7.1/11.8) = 1136/295 cm

8 0
2 years ago
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