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gregori [183]
3 years ago
11

What is 2/5 multiplied by 5/7 multiplied by1/2

Mathematics
1 answer:
Lorico [155]3 years ago
7 0
\dfrac{\not2}{\not5}\cdot \dfrac{\not5}{7}\cdot\dfrac{1}{\not2}=\dfrac{1}{7}
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Please answer this question I need it i. Vertex and standard form.
Brums [2.3K]

Equation :

This parabola is facing downwards and highest point of the parabola is it's vertex.

Highest point is (-2,2)

so the vertex is (-2,2)

The graph is passing through (-1,0)

Equation in vertex form is

y = a(x - h) {}^{2}  + k

0 = a( - 1 + 2) {}^{2}  + 2 \\ 0 =a (1) {}^{2}  +2 \\  0 = a + 2 \\ a =  - 2

Substitute back in Equation

y =  - 2(x  + 2) {}^{2}  + 2

the graph has two x intercepts -1 and -3

that means (x+1) and (x+3) are the factors

multiply factors to get the equation in standard form

-2(x + 1)(x + 3) = 0 \\ -2(x {}^{2}  + x + 3x + 3) = 0 \\  -2( x {}^{2}  + 4x + 3) = 0

-2x^2-8x-6=0

4 0
3 years ago
Which list of numbers is in order from GREATEST to LEAST? 2.7, 2 1/2, 3/10,-1/9 is this right??
ikadub [295]
Yes you are correct.
8 0
4 years ago
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I need help with question 3 ? Not really sure how to go about it
Zepler [3.9K]
Place an imaginary dot at 0,0. after that go five lines to the right, then 3 lines down. That spot would be at 5,-3.
4 0
4 years ago
Can someone please answer?
gtnhenbr [62]

Answer:

The answer is 24

Step-by-step explanation:

6 0
3 years ago
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​= <br> The solution set is <br> ​ 1/2(10x+16)-13=-3/5(15x-35)
-BARSIC- [3]

Answer: 13/7 or as a decimal 1.857142857

How did i get the answer:

Step 1: Simplify both sides of the equation.

so 1/2 of 10 is 5, 1/2 of 16 is 8

-3/5 of 15 is -9 and -3/5 of -35 is POSITIVE 21

all together should look like 5x+8+−13=−9x+21

(now we have to combine like terms)

8+ -13= -5

5x -5 = -9x+21

Step 2: Add 9x to both sides

5x + 9x= 14x

14x -5 = 21

Step 3: Add 5 to both sides.

21+5= 26

14x=26

Step 4: Divide both sides by 14.

26/14= 1.85714286 or 13/7

8 0
3 years ago
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