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Dimas [21]
3 years ago
12

Marla bought one necklace and two bracelets for $67.50. Use the following information to determine the amount she paid for each

bracelet:
The price of the necklace was $27.
The bracelets were both the same price.
Mathematics
2 answers:
alexdok [17]3 years ago
8 0
Ooh, scary math

n+2b=67.5
n=27
27+2b=67.5
minus 27 both sides
2b=40.50
divide both sides by 2
b=20.25

a bracelet costs $20.25
fiasKO [112]3 years ago
8 0
Marla paid a total of $20.25 for each bracelet, im 100% sure
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100 points if you can answer this ​
horrorfan [7]

Answer:

x = 124°

Step-by-step explanation:

the sum of the interior angles of a polygon is

sum = 180° (n - 2) ← n is the number of sides

here n = 5 , then

sum = 180° × 3 = 540°

sum the given angles and equate to 540°

90° + 122° + 105° + 99°  x = 540° , that is

416° + x = 540° ( subtract 416° from both sides )

x = 124°

5 0
2 years ago
Read 2 more answers
If the volume of the planter is 3,072 cubic inches, how tall is the planter?
andrezito [222]

\it \mathcal{V} =\dfrac{\mathcal{A}_b\cdot h}{3} \Rightarrow h = \dfrac{3\mathcal{V}}{\mathcal{A}_b}= \dfrac{3\cdot3072}{\mathcal{A}_b}\ \ \ \ \ (*)
\\\;\\ \\\;\\
\mathcal{A}_b = \dfrac{\ell^2\sqrt3}{4} = \dfrac{16^2\sqrt3}{4} =\dfrac{16\cdot16\sqrt3}{4} =4\cdot16\sqrt3=64\sqrt3\ \ \ \ (**)
\\\;\\ \\\;\\
(*),\ (**) \Rightarrow h=\dfrac{3\cdot3072}{64\sqrt3} = \dfrac{3\cdot48}{\sqrt3} = \dfrac{\sqrt3\cdot\sqrt3\cdot48}{\sqrt3} = 48\sqrt3\  inches


4 0
4 years ago
Please Help Me!!!!! The displacement of a particle d (in km) as a function of time t (in hours) is given by: d(t) = 2t^3 + 5t^2
seraphim [82]

Answer:

Step-by-step explanation:

hello,

for t = 4 hours

d(4)=24^3+54^2-3=2*64+5*80-3=128+80-3=205

this is 205 km

d is differentiable and

d'(t)=6t^2+10t

and

d'(4)=6*4^2+10*4=6*16+40=96+40=136

this is 136 km/h

d' is differentiable and

d''(t)=12t+10

and

d''(4)=12*4+10=48+10=58

this is 58 \ km/h^2

6 0
3 years ago
Read 2 more answers
8 plus 3 cubed over 12-7
Finger [1]

Answer:

7

Step-by-step explanation:

8+3³/12-7

8+27/5

35/5

7

4 0
3 years ago
the westside bakery uses 440 pounds of sugar to make 1,000 cakes each cake contain the same amount of sugar how many pounds of s
rosijanka [135]
First of all, I like the name "westside" for a bakery. :)

OK, so, you can make a proportion for this problem.

440 lbs.= 1000 cakes.
? unknown =  1 cake.
 440 divided by 1000 = 0.44 pounds

3 0
4 years ago
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