How to solve this problem?

Answers

Answer 1

Answer: the exact answer is 336

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What is the value of a if (2a +3) - (4a-8)= 7

Answers

( 2a + 3 ) - ( 4a - 8 ) = 7
2a + 3 - 4a + 8 = 7
-2a + 11 = 7
-2a = -4
a = -4 / -2
a = 2

The county animal park is shaped like a triangle. Two perpendicular sides of the park measure 2.3 miles and 3.4 miles. What is the area of the animal park?
a. 3.91 mi²
b. 5.7 mi²
c. 7.82 mi²
d. 11.4 mi²

Answers

a. 3.91 m²
area of a triangle is (base x height)/2
b=3.4
h=2.3
(2.3)(3.4)=7.82
7.82/2=3.91
**the height of this triangle would be one of the sides because it is a right triangle (sides meet and form perpendicular lines, or a 90° angle)

What is the domain of y = cos θ?A. [-1, 1]
B. [0, infinity]
C. All real numbers
D. 2pi,

Answers

Answer:

Option C - All real numbers

Step-by-step explanation:

Given : Function $y=\cos \theta$

To find : The domain of given function ?

Solution :

Domain is defined as the set of values for which function is defined.

We have given the function,

$y=\cos \theta$

We know, for any value of $\theta$ the function $y=\cos \theta$ is defined.

Which means the set of all real numbers defined the given function i.e. $x\in(-\infty,\infty)$

Therefore, Option C is correct.

The domain of $y=\cos \theta$ is all real numbers.

The domain of y = cos θ is all real numbers. This is because any real number can be plugged in for θ and y will be equal to a real number. This can be shown graphically because the y = cos θ will go on infinitely both to the right and left.

Al Johnson is a word processor. He is paid $2.95 a page. A normal job has 600 pages and requires about 225 words per page. About how much will Al receive for his work?

Answers

Answer:

Al will receive $1770 for his work.

Step-by-step explanation:

Given : Al Johnson is a word processor. He is paid $2.95 a page.

To Find: A normal job has 600 pages and requires about 225 words per page. About how much will Al receive for his work?

Solution:

Cost of 1 page = $2.95

So, cost of 600 pages = $2.95 * 600$

= $1770$

Hence Al will receive $1770 for his work.

2.95 per page for 600 pgs...
2.95 * 600 = $ 1770

For which function will both ordered pairs (3,6) and (4,8) be solutions?

Answers

You just have to try them all:
Y=x+3 ≈ 6=3+3 ≈ 6=6 √
Y=x+3 ≈ 8=4+3 ≈ 8=7 X
So the first function doesn't work

Y=2x ≈ 6=2(3) ≈ 6=6 √
Y=2x ≈ 8=2(4) ≈ 8=8 √
Second function works

Y=x+4 ≈ 6=3+4 ≈ 6=7 X
Third function does not work

Y=12-x ≈ 6=12-3 ≈ 6=9 X
Fourth function doesn't work

So your answer is Y=2X :)

How do I solve this inequality

Answers

3x+5x/4≤34
leat common multiple=4
12x+5x≤136
17x≤136
x≤136/17
x≤8

Answer: x≤8 or (-∞,8]

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