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Katarina [22]
3 years ago
5

I need help with these

Mathematics
1 answer:
Sindrei [870]3 years ago
5 0
11. The answer to the question is d


12. (-3-3)/(-2+3)= -6/1=-6

y-3=-6(x+3)

y-3=-6x-18

y=-6x-15
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The double number line shows that Jonah needs 28 seconds to fold 2 shirts. Based on the ratio shown in the double number line, h
jek_recluse [69]

Answer:

70 seconds

Step-by-step explanation:

7 0
3 years ago
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A car driving on a straight track accelerates at a rate of 3.2 m/s2 for 14 s. If the initial velocity of the car was 5.1 m/s, an
liraira [26]

Answer:

The data we have is:

The acceleration is 3.2 m/s^2 for 14 seconds

Initial velocity = 5.1 m/s

initial position = 0m

Then:

A(t) = 3.2m/s^2

To have the velocity, we integrate over time, and the constant of integration will be equal to the initial velocity.

V(t) = (3.2m/s^2)*t + 5.1 m/s

To have the position equation, we integrate again over time, and now the constant of integration will be the initial position (that is zero)

P(t) = (1/2)*(3.2 m/s^2)*t^2 + 5.1m/s*t

Now, the final position refers to the position when the car stops accelerating, this is at t = 14s.

P(14s) =   (1/2)*(3.2 m/s^2)*(14s)^2 + 5.1m/s*14s = 385m

So the final position is 385 meters ahead the initial position.

6 0
3 years ago
Help on these questions. Please show work it would help a lot. Thanks :)
Murrr4er [49]
10: an isosceles base angles are both equal. A triangle has 3 angles. All three angles added equals 180 in every triangle. since one of the base angle is 72 degrees then the other base angle is 72 degrees. ( a triangle has two base angles).  so 72+72= 144
                                          
                                           180-144= 36
The vertex angle = 36 degrees.

11: angles ratio is 2:4:6. Remember that all angles equal 180. Add the ratio amounts, 2+4+6= 12.  Then divide 180 by 12 (180/12 = 15).
 the smallest angle ratio is 2, so multiply 15 by 2 ( 15 * 2= 30 )
the smallest angle is 30 degrees.

12: all three angles of a triangle adds up to 180. thus, 64 + 74 + x = 180
                                                                                           138 + x = 180
                                                                                             x= 180 - 138
                                                                                             x = 42
x is the third angle. so the third angle is 42 degrees.
6 0
3 years ago
Elsies math class has 11 female students and 10 male students. Write the ratio of female students to total number of students in
stiv31 [10]

Answer:

Step-by-step explanation:

Download pdf
7 0
3 years ago
Which expression is equivalent to –5(6x – 3) – 4(–2x + 1) + 3(4x) – 8?
Sedaia [141]

Answer:

C = -10x+3

Step-by-step explanation:

So the simplified version of the main expression is -10x+3. after finding the main expression you just need to simplify the rest of them too.

A. = -10x+9

B. = 8x-9

C. = -10x+3

D. = -10x-3

Now that you simplified all the expressions, you can pick out the one that's the same as the target expression, which is C.

8 0
2 years ago
Read 2 more answers
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