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4 years ago

10

a circular frame that is 3 inches wide surrounds the mirror what is the combined area, in square inches, of the circular mirror

and the frame?

1 answer:

NARA [144]4 years ago

3 0

The answer is 2.25 square inches or 7.065 square inches.

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the graph of h is the graph of f(x)=x^2 translated 4 units left and 7 units down. Write the function H in vertex form.

adoni [48]

Answer:

f(x)=a(x - h)2 + k

Much like a linear function, k works like b in the slope-intercept formula. Like where add or subtract b would determine where the line crosses, in the linear, k determines the vertex of the parabola. If you're going to go up 2, then you need to add 2.

The h determines the movement horizontally. what you put in h determines if it moves left or right. To adjust this, you need to find the number to make the parentheses equal 0 when x equals -2 (because moving the vertex point to the left means subtraction/negatives):

x - h = 0

-2 - h = 0

-h = 2

h = -2

So the function ends up looking like:

f(x)=a(x - (-2))2 + 2

Subtracting a negative cancels the signs out to make a positive:

f(x)=a(x + 2)2 + 2

Step-by-step explanation:

6 0

3 years ago

If N collected 4/20lb of cloth and Z collected 7/8lb of cloth.

love history [14]

First you need to give both fractions a common denominator lets say 40. So N would be 8/40 and Z would be 35/40, so Z collected more than N. All together they collected 43/40 which simplifies to be 1 and 2/40 which would again simplify to 1 and 1/20.

8 0

3 years ago

The distribution of the number of graduate students over the past 13 years in the math department was: 1 69 2 445 3 347 4 0269 5

Sergio [31]

Answer:

largest number os students = 73

smallest number of students is 16

Step-by-step explanation:

Distribution of student over the period of 13 year is given in the following table

first column represent the stem which are on tens digit while column 2 represent the leaf which are on one digit.

1 6 9

2 4 4 9

3 3 4 7

4 0 2 6 9

5

6

7 3

8

9

hence the graduate student number is calculated as

16, 19, 24,24,29, 33, 34,37,40,42,46,49,73.

hence from the obtained data largest and smallest number of students over a period of 13 year can be calculate

largest number os students = 73

smallest number of students is 16

7 0

3 years ago

2(-3x+4)=5x+2<br> solve for x

lara [203]

Answer is 6/11

Explanation :-

$2( - 3x + 4) = 5x + 2$

Now open left side brackets and multiply 2 with each on left,

$➵ - 6x + 8 = 5x + 2$

Now, bring the common values together for easier calculation.

$➵8 - 2 = 5x + 6x$

$➵6 = 11x$

$➵ \frac{6}{11} = x$

As we cant divide 6/11 , we write it as it is.

Therefore, <em>value of x is <u>6/11</u></em>

4 0

2 years ago

Jack and Jill are planting a garden together. If it takes Jack 8 hours on his own to plant the garden, and Jill 10 hours on her

Sidana [21]

It would take them 4-5 hours if they worked togethwr

8 0

3 years ago