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3 years ago

22+(-18) find the sum of the answer

Mathematics

2 answers:

enot [183]3 years ago

5 0

Answer:

Step-by-step explanation:

<u>Step 1: Adding a negative is same as subtracting a positive</u>

22 + (-18)

22 - 18

Answer: 4

Vadim26 [7]3 years ago

4 0

It’s 4 because it’s a positive 22 and the 18 is negative so you do a positive 22 plus a negative 18 and you get 4 as your answer

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Measured in meters the wavelength of red light is about 8 times 10^-7, and the wave Leung violet light is 4 times 10^-7. The wav

zubka84 [21]

Answer:

C. 2 times as long

Step-by-step explanation

8 times 10^-7 written in standard form is 0.0000008

4 times 10^-7 written in standard form is 0.0000004

divide both of them:

4 0

2 years ago

Read 2 more answers

Grace [21]

Answer:

a true

b false

c. false

d. true

e. false

f. true

Step-by-step explanation:

The function is y =35+8x where x is the number of items sold and y is the earnings

To determine if the point is on the graph substitute the point in and see if it is true

a (7,91)

91 = 35+ 8(7)

91 = 35+ 56

91 = 91 true

b(11, 121)

121 = 35+ 8(11)

121 = 35+ 88

121 = 123 false

c. (9, 110)

110 = 35+ 8(9)

110 = 35+ 72

110 = 107 false

d. (4,67)

67 = 35+ 8(4)

67 = 35+ 32

67 = 67 true

e. (5,72)

72 = 35+ 8(5)

72 = 35+ 40

72 = 75 false

f. (3, 59)

59 = 35+ 8(3)

59 = 35+ 24

59 = 59 true

8 0

3 years ago

Find cotθ, cosθ, and secθ, where θ is the angle shown in the figure.

Darina [25.2K]

Answer:

$\cos( \theta) = \frac{5}{8} \\ {8}^{2} = {5}^{2} + {opp}^{2} \\ {opp}^{2} = 64 - 25 = 39 \\ opp = \sqrt{39} \\ \sin(\theta) = \frac{\sqrt{39}}{8} \\ \tan(\theta) = \frac{ \sqrt{39} }{5} \\ \cot(\theta) = \frac{1}{\tan(\theta)} = \frac{1}{\frac{ \sqrt{39} }{5}} \\ \cot(\theta) = \frac{5}{ \sqrt{39} } \\ \csc( \theta) = \frac{1}{\sin(\theta)} = \frac{1}{\frac{\sqrt{39}}{8}} \\ \csc( \theta) = \frac{8}{ \sqrt{39} } \\ \sec( \theta) = \frac{1}{\cos( \theta) } = \frac{1}{ \frac{5}{8} } \\ \sec( \theta) = \frac{8}{5}$