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max2010maxim [7]
3 years ago
12

Math problem for a test

Mathematics
2 answers:
vova2212 [387]3 years ago
4 0
Answer is 0.051 or better yet A
Luba_88 [7]3 years ago
3 0

Answer: Answer is b

Step-by-step explanation: The -2 represents the 0's

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B) f(x) = (10 - 3x)(4 - 5x)
babymother [125]

Answer:

x=10/-3, 4/5

Step-by-step explanation:

f(x) = (10 - 3x)(4 - 5x)

10-3x=0

-3x=-10

x=10/3

4 - 5x = 0

-5x = -4

x = 4/5

7 0
3 years ago
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How do you do mixed numbers and fractions on a number line. Start from 0 somethig something 1 sonething something 2
katovenus [111]
0....1/4..... 2/4 or 1/2 ..... 3/4..... 1.... 1 1/4.... 1 2/4 or 1 1/2...... 1 3/4..... 2.... and so on and so on 
8 0
3 years ago
How do you graph x-y=1 and 3x+2y=-12
Nataliya [291]

Answer:

Graph the equations

Step-by-step explanation:

x - y = 1

3x + 2y = - 12

Rewrite equations into y=mx+b form:

y = -1 + x

y = -6 - 1.5x

Graph it!

3 0
3 years ago
Evaluate the expression for the given value of the variable -4b-8 + -1 b^2 + 2b^3 ; b= -2
Bad White [126]
-4b-8 + -1b^2 +2b^3
-4(-2)-8+-1(-2)^2+2(-2)^3
8-8+2^2-4^3
4-64
60
4 0
3 years ago
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Question 20
Alexxandr [17]

Answer:

The camera had to cover the greatest angle is CAMERA 3 because it had the largest angle of 71.47°

Step-by-step explanation:

From the above question,

We have:

Camera 1 = Angle A

Camera 2= Angle B

Camera 3 = Angle C

A = 210ft

B = 234ft

C = 260ft

We need to find Angle A( angle of camera 1) using the cosine rule

A=(B² + C² - 2BCCosA)

210² = 234² + 260² - 2 × 234 × 260 × CosA

210² = 122356 - 121680CosA

Square both sides

210² = 122356 - 121680CosA

44100 = 122356 - 121680CosA

121680CosA = 122356 - 44100

121680CosA = 78256

Cos A = 78256/121680

Cos A = 0.6431295201

A = arc cos (0.6431295201)

A = 49.974422249°

Angle A approximately = 49.97°

Using the Sine rule to find the Angle B

A/Sine A = B/Sine B

210ft/Sine 49.97° = 234ft/Sine B

210ft × Sine B = 49.97° × 234ft

Sine B =( Sine 49.97° × 234ft)/210ft

B = arc sin (0.8532172354)

Angle B = 58.56334

Approximately = 58.56°

Angle C = 180 - (49.97 + 58.56)°

Angle C = 71.47°

Therefore, the camera had to cover the greatest angle is Camera 3 because it had the largest angle of 71.47°

6 0
3 years ago
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