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Alik [6]
3 years ago
11

What is −20÷4/5 ? −25 −16 −116 −125

Mathematics
1 answer:
Serhud [2]3 years ago
5 0
= -20 / 4/5
= -20 * 5/4
= -100/4
= -25

In short, Your Answer would be Option A

Hope this helps!
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Please help me I'm failing and I'm so confused!!!!!!!
stiv31 [10]

Answer:

y=9

x=26

Step-by-step explanation:

5x-17+3x-11=180

8x-28=180

8x=208

x=26

5(26)-17

130-17

113

2y+5+90=113

2y+95=113

2y=18

y=9

4 0
3 years ago
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Find the x-intercept(s) and the coordinates of the vertex for the parabola =y−x2−2x3. If there is more than one x-intercept, sep
Novosadov [1.4K]

Answer:

Step-by-step explanation:

Your equation makes no sense.

I will ASSUME you mean

y = -x² - 2x + 3

which can be factored

y = (x + 3)(-x + 1)

x intercepts occur when y = 0

0 = (x + 3)(-x + 1)

which means either

x + 3 = 0

x = -3

or

-x + 1 = 0

x = 1

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The vertex will occur halfway between these point

x = (-3 + 1) / 2 = -1

so vertex = y = -(-1)² - 2(-1) + 3 = 4

(-1, 4)

7 0
3 years ago
Y=tan(x-30) period and amplitude ​
mina [271]

Answer:

No amplitude

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Step-by-step explanation:

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4 years ago
What must be true for lines a and b to be parallel lines? Select two options.
Rasek [7]

The expression that must be true for a to be parallel to b are mAngle2 = 58Degrees and <1 = 4x - 10

<h3>Lines and angles</h3>

A line is the shortest distance between two points and the point where two lines meet is known as an angle

From the figure shown

m<2 = 58 degrees (alternate exterior angle)

Since the sum of angles on a straight line is 180 degrees, hence;

3x-1+<2 + 4x - 10= 180

3x-1 + 58 + 4x - 10 =180

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7x = 180- 47

7x = 133

x = 19

Hence the expression that must be true for a to be parallel to b are mAngle2 = 58Degrees and <1 = 4x - 10

Learn more on lines and angles here; brainly.com/question/25770607

#SPJ1

8 0
2 years ago
At McCord Middle School, 40 percent of the 500 students ride their bikes or walk to school. How many students ride their bikes o
mash [69]
40% of 500 is 200 students
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4 years ago
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