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Vikki [24]
3 years ago
13

For the function rule y = -2x - 3, provide the x-y coordinates of the y-intercept and the x-intercept. Show your work.

Mathematics
1 answer:
Veseljchak [2.6K]3 years ago
7 0
The y intercept is where the line crosses the y axis, this is also when x=0
the x intercept is where the line crosses the x axis, this is also when y=0

to find them, set to zero each and find the other value

y intercept, set x=0
y=-2(0)-3
y=0-3
y=-3
y intercept is y=-3 or (0,-3)

x intercept is when y=0
0=-2x-3
add 3
3=-2x
divdie by -2
-1.5=x
x intercpet is (-3/2,0) or x=-3/2
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How can I solve |2x - 5| = 4?
Ray Of Light [21]

well, you already know an absolute value expression has a ± siblings, so let's proceed without much fuss.


\bf |2x-5|=4\implies  \begin{cases} +(2x-5)=4\implies 2x=9\implies x=\cfrac{9}{2}\\[-0.5em] \hrulefill\\ -(2x-5)=4\implies 2x-5=-4\\[1em] 2x=1\implies x=\cfrac{1}{2} \end{cases}

4 0
4 years ago
One bottle of shampoo cost $6 for 8 ounces. A second bottle costs $4 for 5 ounces of shampoo. Which has the lower unit rate. How
ser-zykov [4K]
The $4 for 5 ounces because think about how much 1 ounce would be so that's how you would get your answer it tells you which on is the lowest
8 0
4 years ago
I need help pls due tomorrow pls I just need part B done plsss
lara [203]

Part A

1 day = 1/4 hours of practice

7 days = 7/4 hours of practice (multiply both sides by 7)

1 week = 7/4 hours of practice

1 week = (4+3)/4 hours of practice

1 week = (4+3)/4 hours of practice

1 week = (4/4)+(3/4) hours of practice

1 week = 1+(3/4) hours of practice

1 week = 1 & 3/4 hours of practice

side note: 1 & 3/4 = 1.75

=======================================

Part B

Take the result from part A, and multiply it with 60

So we'll have 60 times 1&3/4 on the left side on the first line, then 60*(1+3/4) on the right side of this same line.

The rest of the lines look like this

(60*1) + (60*3/4)

60 + 60*3/4

60 + 180/4

60 + 45

105 minutes

8 0
3 years ago
Which of the following coordinates exists on the line y = 2x - 4?
Artyom0805 [142]
The coordinate is (1,-2)
3 0
3 years ago
Read 2 more answers
Which piece of additional information can be used to prove that △rst ~ △vut? rt = st 3st = ut ∠r ≅ ∠v ∠v ≅ ∠u
Sunny_sXe [5.5K]

The option third ∠R ≅ ∠V is correct because line segment RS and UV are parallel which is crossed by a transversal RV.

<h3>What is the similarity law for triangles?</h3>

It is defined as the law to prove that the two triangles have the same shape, but it is not compulsory to have the same size. The ratio of the corresponding sides is in the same proportions and the corresponding angles are congruent.

The question is incomplete.

The complete question is in the picture, please refer to the attached picture.

We have given two triangles:

Triangle RST and Triangle VUT

AS we can see Line segment RS and UV are parallel.

Which is crossed by a transversal RV.

The angle SRV = Angle RVU

Thus, the option third ∠R ≅ ∠V is correct because line segment RS and UV are parallel which is crossed by a transversal RV.

Learn more about the similarity of triangles here:

brainly.com/question/8045819

#SPJ1

3 0
2 years ago
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