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kiruha [24]
4 years ago
8

If the students finished their assignment at 1:30 and they had been working for an hour and 45 minutes, what time did they start

?
Mathematics
1 answer:
bekas [8.4K]4 years ago
7 0

Answer:

11:15

Step-by-step explanation:

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URGENT
ludmilkaskok [199]

Answer:

99.7%

Step-by-step explanation:

the standard deviation is 4 minuet but  there is always outliers so thats  why its not 100% of the time and the minutes are  coverd  by the deviation.  

6 0
3 years ago
Read 2 more answers
The velocity component at any point along a position vs. time graph is equal to the intercept of the tangent line at that point.
vodka [1.7K]

Answer:

False.

Rather, the velocity component at any point is equal to the ****slope**** of the tangent line of the position-time graph at that point.

Step-by-step explanation:

Mathematically, velocity at any point, v= dx/dt at that point; which is the instantaneous slope of the tangent of the position-time graph at that point.

7 0
3 years ago
Solve -2(5x+8)=14+6x
Zanzabum

Answer:

x = -15/8

Step-by-step explanation:

-2(5x+8) = 14+6x

Expand the brackets.

-10x+-16 = 14+6x

-10x-16 = 14+6x

Add -6x and 16 on both dies.

-10x-6x = 14+16

-16x = 30

Divide -16 into both sides.

x = -30/16

x = -15/8

The solution for the equation is x = -15/8

4 0
3 years ago
Read 2 more answers
Could you pls help with question 2
kolezko [41]

Answer:

Isolate the variable by dividing each side by factors that don't contain the variable.

Exact Form:

x

=

1

3

Decimal Form:

0.3

this is the first one I'm not to good with area

8 0
2 years ago
Determine the exact x-intercepts of y = (x + 4) - 7.
Maslowich

The x-intercept of a graph is the point where the graph crosses the x-axis

<h3>(a) Graph</h3>

The function is given as:

y = (x + 4)^2 - 7

See attachment for the graph of the function.

From the attachment, the approximated x-intercepts are -7 and -1

<h3>(b) Type of solution</h3>

From the attached graph, we can see that the curve crosses the x-axis at non-terminating decimals

Hence, the solutions of the equation are irrational.

<h3>(c) The vertex</h3>

This is the minimum or the maximum point of a parabola.

From the attached graph, the minimum point is at (-4,-7)

Hence, the coordinates of the vertex of the parabola is (-4,-7), and it is exact (not approximated)

Read more about parabolas at:

brainly.com/question/4061870

4 0
3 years ago
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