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spin [16.1K]
3 years ago
15

Is 3(2a - b) and 6a - 3b equivalent?

Mathematics
2 answers:
Softa [21]3 years ago
5 0
Yes, they are equivalent. This is because if you factor 3(2a - b), it becomes 3(2a) + 3(-b). This is because you are using the distributive property. That is equal to 6a - 3b and is proven equivalent.
alina1380 [7]3 years ago
3 0
Use the distributive property.
3*2a - 3*b = 6a - 3b.
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What number is 44 % of 840
sattari [20]
It's 369.6 
(840X44)/100 = 369.6
4 0
3 years ago
Read 2 more answers
If 25% more than a number is 325 what is 20% less than the number
Verdich [7]
Let the number be x.  Then 1.25x = 325, or x = 260.  

20% less than 260 is 0.80(260) = 208
7 0
3 years ago
What are the values of​ x, y, and​ z?
hoa [83]
<h3><u>To find value of x</u></h3>

<u>Formula applied:</u>

Exterior angle=Sum of interior angles

Answer:

  • x=66⁰+45⁰

  • x=<u>1</u><u>1</u><u>1</u><u>⁰</u><u>✔</u>
<h3 />

<h3><u>To find value of z:</u></h3>

<u>Formula applied:</u>

Exterior angle=Sum of interior angles

Answer:

  • 119⁰=43⁰+z⁰

  • 119⁰-43⁰=z⁰

  • z⁰=<u>76</u><u>⁰</u><u>✔</u>

<h3><u>To find value of y:</u></h3>

  • ∠1+66⁰=180⁰(L.P)

  • ∠1=180⁰-66⁰

  • ∠1=114⁰

<u>Formula</u><u> </u><u>used:</u>

Sum of angles of a triangle =180⁰

Answer:

  • ∠ 1+30⁰+y⁰=180⁰

  • 114⁰+30⁰+y⁰=180⁰

  • y⁰=180⁰-144⁰

  • y⁰=<u>36⁰</u><u>✔</u>

6 0
3 years ago
You estimate that a tree is 45 ft tall. It is actually 58 ft tall.
DENIUS [597]
You are 13 feet below from where you measured to where it actually is.
8 0
3 years ago
15. Find the lengths of major and minor arcs AB correct to the tenth of a cm. The minor
oee [108]

Las funciones trigonométricas se utilizan fundamentalmente en la solución de triángulos

rectángulos, recordando que todo triángulo rectángulo tiene un ángulo de 90° y sus ángulos

interiores suman 180°. La notación que se acostumbra es la siguiente.

5 0
3 years ago
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