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TiliK225 [7]
4 years ago
7

What is the value of cos(120°)

Mathematics
2 answers:
barxatty [35]4 years ago
7 0

Answer:

the answer is -0.5

Step-by-step explanation:

because i used my calculator and that as my answer

tino4ka555 [31]4 years ago
4 0

Answer:

The exact value would be -1/2 but the value would be -0.5

Step-by-step explanation:

because calculator

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What is the discount on shirts if shirts cost $24 and there is a discount 25%
MrRissso [65]

Step-by-step explanation:

25% × $24 = $6

Subtract the discount from the original

24 - 6 = $18.00

4 0
3 years ago
Find the area of the triangle with the given measurements. Round the solution to the nearest hundredth if necessary. B = 105°, a
Akimi4 [234]

Answer:

The area of triangle is 110.10cm^{2}

Step-by-step explanation:

It is given that AB=19cm, BC=12cm and ∠B=105°

Now, Area of the triangle ABC=\frac{1}{2}acsinB

=\frac{1}{2}{\times}12{\times}19{\times}sin105^{\circ}

=6{\times}19{\times}(0.965)

=110.10cm^{2}

Thus, the area of triangle is 110.10cm^{2}

4 0
4 years ago
Gwendolyn was physically present in the United States for 96 days in 2019, 198 days in 2018, and 66 days in 2017. Under the subs
Svetradugi [14.3K]

Answer:

173 days

Step-by-step explanation:

The formula for substantial presence test is;

SBT = (Total of number of days present in the current tax year) + (1/3)(number of days in the year that was before the tax year) + (1/6)(number of days in the year that was two years before the tax year)

From the question, present tax year is 2019 and number of days is 96 days.

Year before tax year is 2018 and number of days is 198 days

2 years before tax year is 2017 and number of days is 66 days.

Thus;

SBT = 96 + ((1/3)198) + ((1/6)66)

SBT = 173 days

5 0
3 years ago
Suppose your parents started saving for your college education when you were 5 years old. Assume they saved $300 the first year,
Aleonysh [2.5K]

Answer:

5850

Step-by-step explanation:

300+25x

3 0
3 years ago
Mrs. Alberts built a pen for her dogs. The pen was 12.5 feet by 7 feet and had a concrete floor. If the concrete floor costs $12
dybincka [34]

Answer: Mrs. Alberts spent $1,050 on the floor.

Step-by-step explanation: First lets find the area to get the total amount of square feet by multiply length by width.

12.5 x 7 = 87.5 square ft.

We know that it costs $12 per square foot, and we have 87.5 square feet.

So, multiply 12 by 87.5 to find the cost that Mrs, Alberts will spend on the floor.

12 x 87.5 = 1050, or $1,050 for the total area of the floor.

8 0
4 years ago
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