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stepladder [879]
2 years ago
14

Estimate the product of 45.67and 1.42​

Mathematics
1 answer:
Montano1993 [528]2 years ago
7 0

Answer:

The estimate is about 47

Step-by-step explanation:

45.67 ~ 45.5

1.42 ~ 1.5

1.5 + 45.5 = 47

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Enter numbers into the table so that the paired values are in a proportional relationship. x 2 6 8 20 y 3 4 6 10
dsp73

Answer: X 2,6,8,12,20

Y 1,3,4,6,10

Step-by-step explanation:

Divided by 2 too get the answers  or add 10 + 10 you’ll get the answer

6 0
3 years ago
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Makovka662 [10]

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Step-by-step explanation:

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6 0
2 years ago
Please help me out!​
seropon [69]

Answer:

Second option

Third option

Fourth option

Step-by-step explanation:

We have the following quadratic function

f(x) =(x-1)(x+7)

Use the distributive property to multiply the expression

f(x) =x^2+7x-x-7

f(x) =x^2+6x-7

For a function of the form f (x) = ax ^ 2 + bx + c the x coordinate of the vertex is:

x =-\frac{b}{2a}

Then in this case the coordinate of the vertex is:

x =-\frac{6}{2(1)}

x =-3

To obtain the y coordinate of the vertex we evaluate the function at x = -3

f(-3) =(-3)^2+6(-3)-7

f(-3) =9-18-7

f(-3) =-16

Then the vertex is:  (-3, -16)

We can see in the graph that the zeros of the function are x=1 and x=-7

Then the function is decreasing from -∞ to -3 and then it is increasing from -3 to ∞

The function is positive for x and x> 1

The correct answers are:

Second option

Third option

Fourth option

7 0
3 years ago
What is the slope of the line that passes through the points (1,-5) and (3,5)?
Lana71 [14]

Answer:

a) 5

Step-by-step explanation:

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Subtract the equations to get -10=-2m

Divide both sides by two to get: 5=m

Hope this helps! (^-^)

8 0
3 years ago
Are these answers correct?
Nikolay [14]

Answer:

You're correct.

Step-by-step explanation:

3 0
2 years ago
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