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Eva8 [605]
3 years ago
10

The leg of a triangle is 7 cm and the hypotenuse is 13 cm. What is the length of the other leg of the triangle?

Mathematics
1 answer:
defon3 years ago
6 0

Answer:

2√30

Step-by-step explanation:

Pythagorean Theorem: a^2 + b^2 = c^2

7^2 + b^2 = 13^2

b^2 = 120

b = 2√30

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I need some help find the area of the shaded region and round to the nearest hundredth
exis [7]

Answer:

The area of the shaded region is 21.45cm².

5 0
2 years ago
Find ​(a) PQ to the nearest tenth and ​(b) the coordinates of the midpoint of __ pq.
lutik1710 [3]

Answer:

a) 5units

b) (4.5, 4)

Step-by-step explanation:

Let the coordinate of P and Q be P(3, 2) and Q(6, 6)

PQ can be gotten using the distance formula;

PQ =√(6-2)²+(6-3)²

PQ = √4²+3²

PQ =√16+9

PQ =√25

PQ = 5units

Midpoint M is  expressed as;

M(X, Y) = {(x1+x2)/2, y1+y2/2}

X = x1+x2/2

X = 3+6/2

X= 9/2

X = 4.5

Similarly;

Y = y1+y2/2

Y = 2+6/2

Y = 8/2

Y = 4

Hence the midpoint of PQ is (4.5, 4)

4 0
2 years ago
Y= 3/4x + 7; <br> domain = {-8, -4, 12}<br> whats the range?
stiv31 [10]
Range is all real
(-inf, inf )
5 0
2 years ago
(1×10,000)+(3×100)+(5×10)+(9× 1/10 )+(8× 1/100 ​ ) as a decimal number.
Fed [463]

Answer:

10350.98

Step-by-step explanation:

6 0
3 years ago
Use the Rational Zeros Theorem to write a list of all potential rational zeros f(x) = 14x^3 + 56x^2 + 2x - 7
Crank
The factors of 7are -1 and 7 or 1 and -7, the factors of 14 are 1, 2, 7, and 14, or -1,  -2, -7,-14. so the list of potential zeros are: 1/1, 1/2, 1/7, 1/14, 7/1,7/2, 7/7, 7/14, which can be simplified into 1, 1/2,1/7, 1/14, 7, 7/2
add the negative ones: -1, -1/2,-1/7, -1/14, -7, -7/2
I believe there are a total of 12 potential zeros
reference: 
http://www.sparknotes.com/math/algebra2/polynomials/section4.rhtml

3 0
3 years ago
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