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Roman55 [17]
3 years ago
14

Which of the following Platonic solids is also a pyramid?

Mathematics
1 answer:
Irina18 [472]3 years ago
4 0
A.tetrahedron
the triangular pyramid with all equalidral triangle faces becomes the tetrahedron

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A system of linear equations contains two equations with negative reciprocal slopes. How many solutions will it have?
Yanka [14]

Answer:

1 solution

Step-by-step explanation:

3 0
3 years ago
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Darcie wants to crochet a minimum of 3 blankets to donate to a homeless shelter. Darcie crochets at a rate of 1/15 blanket per d
Sauron [17]

Answer:

Since Darcie wants to crochet a minimum of 3 blankets and she crochets at a rate of 1/5 blanket per day, we can determine how many days she will need to crochet a minimum of 3 blankets following the next steps:

- Finding the number of days needed to crochet one (1) blanket:

\begin{gathered}1=\frac{1}{5}Crochet(Day)\\Crochet(Day)=5*1=5\end{gathered}

1=

5

1

Crochet(Day)

Crochet(Day)=5∗1=5

So, she can crochet 1 blanket every 5 days.

- Finding the number of days needed to crochet three (3) blankets:

If she needs 5 days to crochet 1 blanket, to crochet 3 blankets she will need 15 days because:

\begin{gathered}DaysNeeded=\frac{NumberOfBlankets}{Rate}\\\\DaysNeeded=\frac{3}{\frac{1}{5}}=3*5=15\end{gathered}

DaysNeeded=

Rate

NumberOfBlankets

DaysNeeded=

5

1

3

=3∗5=15

- Writing the inequality

If she has 60 days to crochet a minimum of 3 blankets but she can complete it in 15 days, she can skip crocheting 45 days because:

AvailableDays=60-RequiredDaysAvailableDays=60−RequiredDays

AvailableDays=60-15=45DaysAvailableDays=60−15=45Days

So, the inequality will be:

s\leq 45s≤45

The inequality means that she can skip crocheting a maximum of 45 days since she needs 15 days to crochet a minimum of 3 blankets.

Have a nice day!

3 0
3 years ago
The length of a table is 2 meters 50 centimeters. What is the length of the table in millimeters?
sweet [91]

Answer:

A

Step-by-step explanation:

2 meters=2000millimeters

50 centimeters=500 millimeters

8 0
3 years ago
Point-Slope Form Practice
Lana71 [14]

Answer:

y=-x-7

Step-by-step explanation:

Equation of straight line in point slope form is given as

y-y_1=m(x-x_1)

Here

m=-1 \ and \ (x_1, y_1)=(-2, -5)

Therefore,

y+5=-1(x+2)

y=-x-7

4 0
3 years ago
Which of the following tables represents a proportional relationship?
oksian1 [2.3K]

The correct answer is the second from the top.

5 0
4 years ago
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