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Gennadij [26K]
3 years ago
15

Rosa spent $11.52 on 8 candy necklaces for each of her two friends. How much did each necklace cost?

Mathematics
2 answers:
julsineya [31]3 years ago
7 0
$1.44

Explanation: Divide $11.52 by 8. The two friends part is unnecessary info and is being used to trick you.
Vaselesa [24]3 years ago
5 0

Answer:

$1.44

Explanation: divide the numbers

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Write an equation of the line through each pair of points in slope-intercept form.
ASHA 777 [7]

Answer:

see below

Step-by-step explanation:

a) (– 3, –2) and (–3, 4)

First you want to find the slope of the line that passes through these points. To find the slope of the line, we use the slope formula: (y₂ - y₁) / (x₂ - x₁)

Plug in these values:

(4 - (-2) / (-3 - (-3))

Simplify the parentheses.

= (4 + 2) / (-3 + 3)

Simplify the fraction.

(6) / (0)

= undefined

If your slope is undefined, it is a vertical line. The equation of a vertical line is x = #.

In this case, the x-coordinate for both points is -3.

Therefore, your equation is x = -3.

b) (3, 2) and (–4, –5)

First you want to find the slope of the line that passes through these points. To find the slope of the line, we use the slope formula: (y₂ - y₁) / (x₂ - x₁)

Plug in these values:

(-5 - 2) / (-4 - 3)

Simplify the parentheses.

= (-7) / (-7)

Simplify the fraction.

-7/-7

= 1

This is your slope. Plug this value into the standard slope-intercept equation of y = mx + b.

y = 1x + b or y = x + b

To find b, we want to plug in a value that we know is on this line: in this case, I will use the first point (3, 2). Plug in the x and y values into the x and y of the standard equation.

2 = 1(3) + b

To find b, multiply the slope and the input of x(3)

2 = 3 + b

Now, subtract 3 from both sides to isolate b.

-1 = b

Plug this into your standard equation.

y = x - 1

This is your equation.

Check this by plugging in the other point you have not checked yet (-4, -5).

y = 1x - 1

-5 = 1(-4) - 1

-5 = -4 - 1

-5 = -5

Your equation is correct.

Hope this helps!

7 0
3 years ago
You spin each spinner once. On the spinners, R represents red, B represents blue, G represents green, Y represents yellow, and P
NeTakaya

Answer:

1/6

1/12

1/2

Step-by-step explanation:

There are three possible outcomes in the left spinner, and four possible outcomes in the right spinner.  So there are a total of 3×4=12 possible combinations.  We can show that by making a grid:

\left[\begin{array}{cccc}&R&B&G\\R&RR&BR&GR\\B&BR&BB&BG\\P&PR&BP&GP\\Y&RY&BY&GY\end{array}\right]

Of these 12 combinations, 2 show both spinners landing on the same color (RR and BB).  So the probability is 2/12 = 1/6.

There is only 1 outcome in which the first spinner lands on R <em>and</em> the second spinner lands on P (PR), so the probability is 1/12.

There are 6 outcomes in which the first spinner lands on R <em>or</em> the second spinner lands on P (RR, BR, PR, RY, BP, GP).  So the probability is 6/12 = 1/2.

7 0
3 years ago
Find the greatest common factor of these two expressions 18y^6w^2 and 27y^5 w^4 u^7
drek231 [11]

Answer:

9y^{5}w^{2}

Step-by-step explanation:

Find what both expressions have in common

3 0
2 years ago
Fine as has a Z-score of 2.23 on his SAT. How did he do compared to the rest of his students?
tresset_1 [31]
A since they didn’t tell you what the other students have gotten therefore you can’t complete the data
5 0
3 years ago
I NEED HELP ASAP<br> Question: are the solids similar?
satela [25.4K]

Answer:

Yes, the solids are similar.

Step-by-step explanation:

To figure this out you have to test the ratios of the corresponding dimensions. If they are all equal, they are similar.

28/21=1.33333

22/16.5=1.33333

24/18=1.33333

As they all equal 1.33333, the solids are similar

8 0
3 years ago
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