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schepotkina [342]
3 years ago
10

The product of a number and 5 is decreased by 2. Translate the word phrase into an expression.

Mathematics
2 answers:
Paha777 [63]3 years ago
7 0
The equation can be written like so, (x-5)-2
dybincka [34]3 years ago
3 0
5n-2 is probaly the right answer
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The length of the base of the triangle is 78 mm and the height is 55 mm. Find the area.
leva [86]

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Step-by-step explanation:

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Convert 1/10 to a decimal
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0.1

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7 0
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Help -------------------------
34kurt

Answer:

(A) -3 ≤ x ≤ 1

Step-by-step explanation:

The given function is presented as follows;

h(x) = x² - 1

From the given function, the coefficient of the quadratic term is positive, and therefore, the function is U shaped and has a minimum value, with the slope on the interval to the left of <em>h</em> having a negative rate of change;

The minimum value of h(x) is found as follows;

At the minimum of h(x), h'(x) = d(h(x)/dx = d(x² - 1)/dx = 2·x = 0

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Therefore, the function is symmetrical about the point where x = 0

The average rate of change over an interval is given by the change in 'y' and x-values over the end-point in the interval, which is the slope of a straight line drawn between the points

The average rate of change will be negative where the y-value of the left boundary of the interval is higher than the y-value of the right boundary of the interval, such that the line formed by joining the endpoints of the interval slope downwards from left to right

The distance from the x-value of left boundary of the interval that would have a negative slope from x = 0 will be more than the distance of the x-value of the right boundary of the interval

Therefore, the interval over which <em>h</em> has a negative rate of change is -3 ≤ x ≤ 1

8 0
3 years ago
Shauna made 8 of 13 free throws. What percent of her free throws did she make?
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2 years ago
The lowest temperature ever recorded in North America was -63°C. The lowest temperature ever recorded in South America was –32.8
Snowcat [4.5K]

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Answer:

  warmer by 30.2 degrees

Step-by-step explanation:

It might help to think of these values plotted on a number line. Both temperatures will be left of zero, with -63°C being farther to the left (colder).

The difference can be found by subtracting the colder temperature from the warmer one:

  -32.8 -(-63) = -32.8 +63 = 63 -32.8 = 30.2 . . . degrees

The South America temperature -32.8°C is 30.2° warmer than the North America temperature.

3 0
3 years ago
Read 2 more answers
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