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3 years ago

7

Mrs. Jurrens bought three shirts and one pair of pants. Each shirt cost $7.99, and the pair of pants cost $12. What was her tota

l cost?

1 answer:

sergeinik [125]3 years ago

5 0

$35.97 should Be your answer

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Find f(–2) for the function f(x) = 3x2 – 2x + 7.

sattari [20]

Answer:

23

Step-by-step explanation:

3(-2)2-2(-2)+7

3(4)-(-4)+7

12+4+7

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3 years ago

Find the values of the six trigonometric functions of 0

Leni [432]

Step-by-step explanation:

sin theta = 12/13

cos theta = 5/13

tan theta = 12/5

cosec theta = 13/12

sec theta = 13/5

cot theta = 5/12

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3 years ago

3-2i/1+4i include each step necessary in simplifying

Likurg_2 [28]

Answer:

$\frac{3-2i}{1+4i}=\frac{11}{17}-\frac{10}{17}i$

Step-by-step explanation:

$\frac{3-2i}{1+4i}$ <-- Given

$\frac{3-2i}{1+4i}*\frac{1-4i}{1-4i}$ <-- Multiply by the conjugate of the denominator as a factor of 1

$\frac{(3-2i)(1-4i)}{(1+4i)(1-4i)}$

$\frac{(3)(1)+3(-4i)-2i(1)-2i(4i)}{(1)(1)+1(-4i)+4i(1)+4i(-4i)}$ <-- Use the Distributive Property and FOIL

$\frac{3-12i-2i-8i^2}{1-4i+4i-16i^2}$

$\frac{3-10i-8i^2}{1-16i^2}$

$\frac{3-10i-8(-1)}{1-16(-1)}$ <-- Rewrite $i^2$ as $-1$

$\frac{3-10i+8}{1+16}$

$\frac{11-10i}{17}$

$\frac{11}{17}-\frac{10}{17}i$ <-- Rewrite in $a\pm bi$ form

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3 years ago

The volume of a right rectangular prism is 7 1/2 cm³. The height of the prism is 2 1/4 cm.

Dmitrij [34]

Answer:

C

Step-by-step explanation:

To find the area of the base of the prism, you would first multiply 7 1/2 and 2 1/4, which would leave you with 16.875. Next, you would divide by 2, which gives you 8.4375. Rounding up, you would have the answer C.

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2 years ago

Find the domain and range of the following function f(x) = 3lx+7l-2

Vesna [10]

Answer:

The Domain is all real numbers. there are no restrictions upon x.

The Range (-2,∞) because when x= -7, -2 is the minimum amount

Step-by-step explanation:

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2 years ago