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Charra [1.4K]
3 years ago
15

The triangles are similar. What is the value of x? Enter your answer in the box. X=

Mathematics
1 answer:
Aleks04 [339]3 years ago
4 0

Answer:

x=16

Step-by-step explanation:

5times 4=20

3times 4=12

4times 4=16

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Find the polynomial of least degree in standard form with the given roots:<br> x = 2, 3i
Dmitriy789 [7]

Answer:

x^3 - 2x^2 + 9x - 18.

Step-by-step explanation:

The complex roots occur in conjugate pairs so there are 3 roots 2, 3i and -3i.

So we have:

P(x) = (x - 2)(x - 3i)(x + 3i)

= (x - 2)(x^2 - 9i^2)

= (x - 2)(x^2 - 9*-1)

= (x - 2)(x^2 + 9)

= x^3 + 9x - 2x^2 - 18

= x^3 - 2x^2 + 9x - 18.

4 0
3 years ago
Jan bought a blazer for $39.90. The price of the blazer was $38. What sales-tax rate was she charged for this blazer percentage
Nadya [2.5K]
The question asks for sales tax rate. Sales tax is 39.90-38=1.90 and that's taxed onto the original $38 so 1.9/38=0.05
5% tax on the blazer
7 0
3 years ago
Read 2 more answers
-5x - 5y + 4x - (2y + 3)
Dafna11 [192]

Step-by-step explanation:

-5x - 5y + 4x - (2y + 3)

= - 5x + 4x - 5y - (2y + 3)

= - x - 5y - 2y - 3

= - x - 7y - 3 ( Answer )

5 0
3 years ago
Read 2 more answers
(12 - 5)2 + (83 - 9x6)
Lesechka [4]

Answer:

78

Step-by-step explanation:

Solve by PEMDAS.

Parentheses first.

12-5 is 7 and 9x6 is 54, 83-54 is 29.

(7)^2+(29)

Exponent next,

49+29

add them up and you get 78.

Hope this helps! Hit the crown if you want.

#Team Rainbows!

3 0
3 years ago
Read 2 more answers
For the equation 17h+6=40, select the appropriate property of equality to move the constant term to the right side of the equati
jasenka [17]

Answer:

Option B.

Step-by-step explanation:

The given equation is

17h+6=40

We need to find the property of equality to move the constant term to the right side of the equation.

In the given equation 6 is the constant term on the left side.

Using subtraction property of equality, subtract 6 from both sides.

17h+6-6=40-6

17h=34

So, the appropriate property of equality to move the constant term to the right side of the equation is Subtraction Property of Equality.

Therefore, the correct option is B.

4 0
3 years ago
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