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andrey2020 [161]
3 years ago
6

ASAP

Mathematics
1 answer:
Katen [24]3 years ago
7 0

Answer:

No , because there are different formulas for each prism.

Step-by-step explanation:

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1.Mr. Redding sells vehicles to 40% of the people that come to the sales lot. If 165 people came to the lot last month, how many
Vanyuwa [196]
He would have sold 66 vehicles
6 0
2 years ago
What is the area of triangle pqr on the grid? a triangle pqr is shown on a grid. the vertex p is on ordered pair 7 and 6, vertex
horsena [70]

P(7,6), Q(1,6), R(4,2)

We have PQ parallel to the x axis. We'll call that the base,

b = 7 - 1 = 6

The altitude is then the y difference h = 6 - 2 = 4

The area is \frac 1 2 bh = \frac 1 2 (6)(4) = 12

Answer: 12 square units


In general we can use the shoelace formula for the area of any polygon given coordinates. We write the points like this:

(7,6), (1,6), (4,2)

(1,6), (4,2), (7,6)

The area is then half the absolute value of the sum of the cross products:

A = \frac 1 2 | 7(6)-6(1) + 1(2)-6(4) + 4(6)-2(7) | = \frac 1 2 |24| = 12


6 0
3 years ago
Read 2 more answers
URGENT. Find f(3) if<br> f(x)=x^3 + 2x^2-x-1
KonstantinChe [14]

Answer:

41

Step-by-step explanation:

Jus replace x with 3 and put it in a calculator.

6 0
3 years ago
Read 2 more answers
Solve: x/x+2 + 5/x-3 = 25/x2-x-6
Paraphin [41]

Answer:

x1=3  x2=-5

BUT x1=3 is not an answer because it doesnt respects the range on the original ecuation, so x2=-5 is the solution

Step-by-step explanation:

6 0
2 years ago
Elizabeth is x years old. Her brother Jim is
postnew [5]
If Jim's age = j

j = 3x + 2




8 0
3 years ago
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