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4 years ago

Please help me! Two quantities are related, as shown in the table:

1 answer:

7 0

I don't know where you got those answers, but the actual equation that represents those points is: y = -1/2x + 11. None of those listed above are correct.

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Write 42,760 in scientific notation.

Lana71 [14]

42,760 would be written as 4.276 × 10^4 in scientific notation

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3 years ago

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Alice earns simple interest of $120 at an annual interest rate of 6% for the period of 1 year. What equation shows the relations

GalinKa [24]

i = $\frac{prt}{100}$

with i = 120 then

p = $\frac{100(120)}{6}$ = $2000

7 0

3 years ago

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A gym coach needs to buy badminton supplies. Rackets cost $10 each, and a pack of birdies costs $4. The coach has a budget of $1

Rasek [7]

I think that the 2 or 4 one are right. This one is hard for me too but just hope that you get right and hope that it is right.

8 0

3 years ago

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Sense or nonsense Peter and Jade are using what they know about properties to write an expression equivalent to 2×(n+6)+3 whose

Lisa [10]

Answer:

Jade's work makes sense, Peter's does not.

Step-by-step explanation:

What's wrong with Peter's work:

Peter did not apply associative property correctly. You cannot change what is inside the parenthesis. He also shouldn't be using associative property to solve this equation because it just doesn't make sense!

Jade's work:

She applied distributive property correctly and multiplied each term in the parenthesis by 2. All of her processes are logical and make sense! I could go on, but everything is correct lol

Best of wishes mate!

5 0

3 years ago

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Please help me with this question

BartSMP [9]

Answer:

$3x-28=2x+25\\x=53$

Step-by-step explanation:

Parallel lines cut by a transversal are two lines which do not cross intersected by a third line. Because lines such as m and n are parallel, we have angles which are equal to each other.

Corresponding Angles - angles located in the same position in each intersection. Can be shown by translating or sliding the angle down/up.
Alternate Interior Angles - angles located inside the parallel lines across the transversal. Can be shown by reflecting and translating or rotation.
Alternate Exterior Angles - angles located outside the parallel lines across the transversal. Can be shown by reflecting and translating or rotation.

Vertical angles - angles across a vertex from one another. Can be shown by reflection.

The angles shown here are located outside the parallel lines and across the transversal from each other. Therefore we have Alternate Exteroir angles and can set them equal to each other to solve for x.

$3x-28=2x+25\\3x-2x-28=2x-2x+25\\x-28=25\\x-28+28=25+28\\x=53$

We check our work and should get equal angles:

$3(53)-28=2(53)+25\\159-28=106+25\\131=131$

4 0

4 years ago