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Nataly [62]
3 years ago
10

Solve l-20l - l7l PLEASE HELPP IM ON A TEST

Mathematics
1 answer:
tiny-mole [99]3 years ago
7 0

Answer:

13

Step-by-step explanation:

|-20| = 20 (anything with | | is absolute value, which is always positive), |7| = 7, 20 - 7 = 13.

quick tip: when you see something like -|#|, that would be negative, but if you saw |-#|, it would be positive.

hope it helps lol

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there are 3 red marbles,4 blue marbles,2 green marbles, 6 clear marbles in a burlap bag. One marble is randomly pulled from the
creativ13 [48]
2/15 so 13.3% ?

I’m not entirely sure if this is right but I think it’s getting there...
4 0
3 years ago
Find the value of x in the triangle shown below
natka813 [3]
I am not sure what it would be.
8 0
3 years ago
PLS ANSWER ITS URGENT
matrenka [14]

Answer:

The length of the ramp must be at least 14.71 feet

Step-by-step explanation:

Given

BC = 2.3ft

\theta = 9^\circ

<em>See attachment for complete figure</em>

Required

Length of the ramp (z)

To do this, we consider sin of angle A (\theta).

So, we have:

sin\theta = \frac{Opposite}{Hypotenuse}

This gives:

sin(9)= \frac{2.3}{z}

Make z the subject

z= \frac{2.3}{sin(9)}

z = \frac{2.3}{0.1564}

z = 14.71 ft

<em>The length of the ramp must be at least 14.71 feet</em>

6 0
3 years ago
The points given in the table lie on a line. Find the slope of each line.
antiseptic1488 [7]

Answer:

-2.5

Step-by-step explanation:

The slope of a line can be found by dividing the rise over the run between two points. The rise is the difference between the y-values, and the run is the difference between the x-values. For both, the value with the greater x-value comes first as you are seeing how much it has changed from the first value to the the other.

Let's use the first two points to find the slope: (0,9), (2,4)

(2,4) has the greater x-value, so the rise between the points would be -5, as 4 - 9 = -5

The run would be 2, as 2-0 = 2.

Therefore the slope would be: -5/2 = -2.5

Hope this helped!

8 0
3 years ago
Someone help me please! :)<br><br> Thanks in advance!
Aneli [31]

Answer:

No solutions.

Step-by-step explanation:

These two graphs never intersect, so this system of equations has NO (0) solutions.

7 0
3 years ago
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