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ladessa [460]
3 years ago
9

What is the area of this triangle? I need help!! pleaseee

Mathematics
1 answer:
Arisa [49]3 years ago
4 0

Answer:72

Step-by-step explanation: 9x8 =72

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Need help solving this
DedPeter [7]

Answer:

  x = (√21)/2

Step-by-step explanation:

The sides of a 30°-60°-90° triangle have the ratios 1 : √3 : 2. That means the middle-length side is (√3)/2 times the length of the longest side.

  x = (√3)/2·√7

  \boxed{x=\dfrac{\sqrt{21}}{2}}

8 0
3 years ago
X^8+8x^7+15x^6−9x^5−72x^4−135x^3+8x^2+64x+120
LenaWriter [7]

Answer:

(x+3)(x+5)<em>(x-2)(x-1)</em><u>(x^2+2x+4)(x^2+x+1)</u> where the given one is bolded the 2 binomials is italicized  and the 2 trinomials is underlined

Step-by-step explanation:

6 0
3 years ago
Given that 3(x-c)=2x+5 where c is an integer, shoe that x cannot be a multiple of 6
olga nikolaevna [1]

Answer:

The explanation in the procedure

Step-by-step explanation:

we have

3(x-c)=2x+5

solve for c

3x-3c=2x+5

3c=3x-2x-5

3c=x-5

c=(x-5)/3

For x=6 -----> Find the value of c

c=(6-5)/3=1/3 ------> is not an integer

therefore

x cannot be a multiple of 6

7 0
4 years ago
Describe the solution steps of 20 + 4x = 16.
andriy [413]
Answer: -1

Solution:
20 + 4x = 16
Rearrange the terms

4x = 16 - 20
Calculate

4x = -4
Divide both sides

x = -4/4
Simplify

x = -1
6 0
3 years ago
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VARVARA [1.3K]

The answer is:

Answer:

<u>C. 1.05</u>

if u mark as brainly thatll be cool

8 0
3 years ago
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