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jek_recluse [69]
2 years ago
6

NO LINKS!! Determine whether the solid is a polyhedron. If it is, name the polyhedron. If not, write no.​

Mathematics
2 answers:
max2010maxim [7]2 years ago
4 0

Definition :-

When many plain surfaces combine eachother yielding staright edges ,sharp vertices is called polyhedron .

  • Example-cube

#1

Yes

  • It's cuboid or rectangular prism

#2

No

It has circular shapes ,no sharp edges

#3

No

  • It has a sharp vertice but no staright edges .

#4

Yes

  • It has flat base and sharp edges also staright edges

Hexgonal pyramid

Ket [755]2 years ago
4 0

Determine: whether the solid is a polyhedron If it is, name the polyhedron. If not, write no

<h3>Answer</h3>

1. CUBE

  • yes it is example of Polyhedron

2. CYLINDER

  • No Non polyhedron

3. CONE

  • No Non polyhedron

4. <u>HEXAG</u><u>ONAL</u> <u>PYRAM</u><u>ID</u>

  • <u>Yes</u><u> </u> it is example of Polyhedron

<h3>Explaination:</h3>

example of Polyhedron

  • a solid figure with many plane faces typically more than six

example of Non Polyhedron

  • are cones, spheres and cylinders because they have sides that are not polygons

┌─────── ∘°❁°∘ ───────┐

︎ CarryOnLearning ૮₍˶ᵔ ᵕ ᵔ˶₎ა

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6 0
2 years ago
Need help with these 2 problems will give brainliest answer and worth 30 points!!
Elena L [17]
Question 1.
Step 1. Add the total cost of purchasing the luxury items:
TotalCost=35.95+34.65+15.30+6.99+42.96=135.85
You will spend $135.85 purchasing the luxury items.

Step 2. Add the total cost of purchasing the name brand items:
TotalCost=19.95+15.98+9.40+4.99+29.75=80.07
You will spend $80.07 purchasing the name brand items.

Step 3. Subtract the total cost of purchasing the name brand items from the total cost of purchasing the luxury items:
135.85-80.07=55.78

Answer to the original question:
We can conclude that you will spend $55.78 more by purchasing the luxury items.

Question 2:

Part 1. 
To find the how many months will take to pay the card debt, we are going to use the credit card equation: N=- \frac{1}{30}* \frac{ln(1+ \frac{b}{p}*(1+ \frac{r}{365})^{30}))  }{ln(1+ \frac{r}{365}) }
where
N is the months to pay the card
b is the balance 
p is the monthly payment 
r is the interest rate in decimal form 

We know from our problem that the balance of the credit card is $1,367.90 and the monthly payment is $400.00, so b=1367.90 and p=400. To find convert the interest rate to decimal form, we are going to divide the rate by 100% 
r= \frac{9.5}{100}=0.095.
Now that we have all we need, lets replace the values in our credit card equation: 
N=- \frac{1}{30}* \frac{ln(1+ \frac{b}{p}*(1+ \frac{r}{365})^{30})) }{ln(1+ \frac{r}{365}) }
N=- \frac{1}{30}* \frac{ln(1+ \frac{1367.90}{400}*(1+ \frac{0.095}{365})^{30})) }{ln(1+ \frac{0.095}{365}) }
N=3.4799

It will take you 3.5 months according to our calculation, but since you pay $400 each month on the due date, we can conclude that it will take you 4 months to pay off the card.

Part 2. To calculate the total amount paid including the interest, we just need to multiply the monthly payment by the number of payments.
We know from our problem that the monthly payment is $400. We also know from our previous calculations that the number of payments is 4, so lets multiply both quantities:
400*4=1600

We can conclude that the total amount paid including interest is $1,600


5 0
3 years ago
A pair of pants with a marked price of $35.00 has a discount of 20%. How much is the discount
Degger [83]

Twenty percent of $35 is 0.20($35) = $7. The discount is $7.

7 0
3 years ago
Read 2 more answers
Resuelve el siguiente problema un buzo en una laguna decendio 8m en una hora.Si cada hora bojo la misma cantidad de metros, ¿cua
S_A_V [24]

Answer:

X = 32 meters.

Step-by-step explanation:

  • Let the unknown distance be X.

<u>Given the following data;</u>

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To find how many meters he would cover in four hours;

1 hour = 8 meters

4 hours = X meters

Cross-multiplying, we have;

X = 8 * 4

<em>X = 32 meters.</em>

7 0
3 years ago
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