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olchik [2.2K]
2 years ago
15

If a watch costs $40 and you must pay 6.5 % sales tax, how much will the tax be?

Mathematics
2 answers:
taurus [48]2 years ago
8 0

Answer:

$2.60

Step-by-step explanation:

40 x 0.065 = $2.60

Elan Coil [88]2 years ago
6 0

Answer:

the tax would be 2.60$

Step-by-step explanation:

6.5% of 40 is 2.6

(6.5 x .40=2.6)

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State when f(x) is increasing , decreasing , concave up , concave down .
Marizza181 [45]

Answer:

f(x) = sec x. tan x

⇔ f(x) = 1/cosx . cosx/sinx

⇔ f(x) = sin x

+) when f(x) is increasing => sin x increases

=> x will increase

+) f(x) is decreasing => x will decrease

+) f(x) is concave up => x ∈ (-pi/2; 0)

+) f(x) concave down => x ∈ (0; pi/2)

Step-by-step explanation:

3 0
2 years ago
Based on the side lengths given (a, b, and c), which triangles are right triangles?
Mekhanik [1.2K]

Answer:

B & C

Step-by-step explanation:

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

A) 18^2 + 24^2 = 2,088   |   42^2 = 1,764     [NOT A]

B) 33^2 +56^2 = 4,225   |   65^2 = 4,225     [B IS CORRECT]

C) 19^2 + 180^2 = (32,761) = 181^2 = (32,761)     [C IS CORRECT]

D) 3^2 + 4^2 = 25  |   7^2 = 49     [NOT D]

I hope this helped you ! In return, please deem this the most brainliest answer.

7 0
3 years ago
Rachel saved money to buy art supplies. She used 13 of her savings to buy brushes. She used 35 of her savings to buy paint. What
vekshin1

Given:

Rachel used \dfrac{1}{3} of her savings to buy brushes.

She used \dfrac{3}{5} of her savings to buy paint.

To find:

The fraction for remaining savings.

Solution:

Fraction that Rachel used of her savings to buy brushes and paint is

\text{Fraction for used amount}=\dfrac{1}{3}+\dfrac{3}{5}

                                    =\dfrac{5+9}{15}

                                    =\dfrac{14}{15}

Now,

\text{Fraction for remaining savings}=1-\text{Fraction for used amount}

\text{Fraction for remaining savings}=1-\dfrac{14}{15}

\text{Fraction for remaining savings}=\dfrac{1}{15}

Therefore, \dfrac{1}{15} of her savings is remaining.

6 0
3 years ago
Please help I’m doing super bad
Nadusha1986 [10]

Answer:

Vertical angle is answer for this question.

3 0
3 years ago
Read 2 more answers
The volume of a rectangular prism is given by the formula V = lwh, where l is the length of the prism, w is the width, and h is
katen-ka-za [31]
The expression that represents the volume would be: <span>C) 6x^3+39x^2+54x</span>

Proof of the calculation:

V = Lwh

V = (x+2) (3x)  (2x+9)

V= (3x^2 + 6x) (2x + 9)

V = (6x^3 + 27X^2 +12x^2 + 54x)

V = 6x^3 + 39x^2 + 54x
4 0
3 years ago
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