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Basile [38]
3 years ago
7

Acute Obtuse Or right

Mathematics
1 answer:
Nataly [62]3 years ago
8 0

Answer:

It's acute triangle

Step-by-step explanation:

c^2 = 19^2 = 361

a^2 + b^2 = 15^2 + 13^2 = 225 + 169 = 394

c^ < a^2 + b^2 > . It's acute triangle

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[15 / (7 - 2 * 2) + 2]+ 6 / 3=
AVprozaik [17]
The answer is 9

first of all you solve the small brackets, then the bigger brackets, after that you solve the multiplication and division, then finally you solve the addition and subtraction



[ 15 ÷ (7-4) + 2 ] + 6 ÷ 3
[ 15 ÷ (3) + 2 ] + 6 ÷ 3
[ 5 + 2 ] + 6 ÷ 3
[7] + 6 ÷ 3
7 + 2
9
5 0
4 years ago
!!!!!!!!!!ANSWER!!!!!!!!!!!!!!
V125BC [204]

Answer: A is the correct answer

3 0
3 years ago
What percent of Sally's salary does she budget for donations?
elena-s [515]
Answer- 10

Expiration-
425/100 x 10 = 42.5
5 0
3 years ago
Select all expressions that are equivalent to x2 - 4x - 32.
Nikitich [7]

Answer:

(x - 8)(x + 4)

(x + 4)(x - 8)

Step-by-step explanation:

(x - 16)(x + 2)

= x2 + 2x - 16x - 32

= x2 - 14x - 32

(x + 2)(x - 16)

= x2 - 16x + 2x - 32

= x2 - 14x - 32

(x - 8)(x + 4)

x - 8)(x + 4) = x2 + 4x - 8x - 32

x - 8)(x + 4) = x2 + 4x - 8x - 32 = x2 - 4x - 32

( 30 + x)(x - 4)

= 30x - 120 + x2 - 4x

= x2 + 26x - 120

(x + 4)(x - 8)

(x + 4)(x - 8) = x2 - 8x + 4x - 32

(x + 4)(x - 8) = x2 - 8x + 4x - 32 = x2 - 4x - 32

(x - 4)(x + 8)

= x2 + 8x - 4x - 32

= x2 + 4x - 32

6 0
3 years ago
An engineer stands 30 ft. from a building and notes a 55 degree angle of elevation to the top of the building. How high is the b
alexdok [17]
<h3>Answer:  42.8 feet</h3>

Work Shown:

h = height of the building

h is opposite the reference angle (55)

the adjacent side is 30 feet

tan(angle) = opposite/adjacent

tan(55) = h/30

h = 30*tan(55)

h = 42.84444 which is approximate

h = 42.8 feet

8 0
3 years ago
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