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Natali5045456 [20]
3 years ago
7

Please help me I really need help

Mathematics
2 answers:
elixir [45]3 years ago
8 0

Answer:

56

Step-by-step explanation:

Lowest Common Multiple= 56

IgorLugansk [536]3 years ago
4 0

Answer:

56 seconds

Step-by-step explanation:

One way of doing this is to write out sequences for the number of seconds that elapse in each case.

First bulb:                        0 7 14 28 56 63

Second bulb:  0 8 16 24 32 40 48 56

Both bulbs flicker after 56 seconds.

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The function f(x)=5x+4f(x)=5x+4 models the height of a tree, where x represents the years since the tree was planted for year 3
Romashka [77]
"<span>all real numbers between 3 and 10 inclusive" could not be the answer, because these are x-values (values of the independent variable).

"</span><span>all real numbers between 19 and 54 inclusive" is the range.  Why?  Because in year 3, f(3) = height of tree = 5(3) + 4 = 19 feet.  

In year 10, f(10) = 5(10) + 4 = 54 feet. </span>
6 0
4 years ago
X^2 -50x+456=0 solve this algebraiclly find x
bagirrra123 [75]

Answer:

x=-406

Step-by-step explanation:

x^2-50x+456=0

x^2-50x=-456

This is because we subtract 456 from each side.

x-50=-456

We then divide the whole equation by <em>x</em> .

x=-406

Adding 50 to both sides gives us <em>x</em> by itself, hope this helps :D

8 0
2 years ago
Read 2 more answers
The coordinates of point A on a grid are (−2, −4). Point A is reflected across the y-axis to obtain point B. The coordinates of
Trava [24]

Answer:

Search up

Step-by-step explanation:

4 0
3 years ago
Denise used blocks to model the following situation. How can Denise use her model to find the number of trucks the dealer sells
Ksju [112]

Answer:

you have the same quiestion 3 times

Step-by-step explanation:

3 0
2 years ago
Shannon drew the line of best fit on the scatter plot shown below:
N76 [4]
Using the points (0,14) and (10,0), the gradient of the line is (14-0)/(0-5) which simplifies to -7/5.

From these points, we can also see that when the x value is zero, the y value is 14. Therefore the y-intercept is 14.

We can then put this into the equation of a straight line, y=mx+c:

y = (-7/5)x + 14
6 0
3 years ago
Read 2 more answers
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