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DerKrebs [107]
3 years ago
7

Debbie is running to raise money for a fundraiser. If her goal is to run 56 miles , how many days will debbie need to run if she

runs 1.75 miles everyday
Mathematics
1 answer:
Nina [5.8K]3 years ago
3 0

Answer:

32 days.

Step-by-step explanation:

56 / 1.75 = 56 / (7/4) = 56 * 4 / 7 = 32.

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D is the centroid of △ABC. What is the value of x when GD=x+4 and GC=4x+5?
alexira [117]

Answer:

x = 7

Step-by-step explanation:

Because:

GD = x + 4

GC = 4x + 5

And D is the centroid of ABC

So GC = 3GD

<=> 4x + 5 = 3(x + 4)

<=> 4x + 5 = 3x + 12

<=> 4x - 3x = -5 + 12

<=> x = 7

Done!!

You ok?? :))

3 0
3 years ago
Give the x and y intercepts: x+3y=24
Ray Of Light [21]

Answer:

y-intercept is 8

x-intercept is 24

Step-by-step explanation:

put equation into slope-intercept form:

x + 3y = 24

3y = -x + 24

y = -1/3x + 8

now we know the y-intercept is at point (0,8)

4 0
3 years ago
Can someone please help me
xenn [34]
It’s y = (x + 1) ^2 - 9
4 0
2 years ago
Read 2 more answers
Can anyone save my life and help me with these 2 questions:(
Sav [38]
13)

Relative max on (2)
Relative min on (-2)
5 0
3 years ago
Find the constant of variation for the relation and use it to write an equation for the statement. Then solve the equation.
hammer [34]

Answer: option d.

Step-by-step explanation:

If <em>y </em>varies directly as <em>x</em> and <em>z</em>, the form of the equation is:

y=kxz

Where<em> k</em> is the constant of variation.

If y=4 when x=6 and z=1 then substitute these values into the expression and solve for <em>k:</em>

4=k(6)(1)\\4=6k\\k=\frac{4}{6}\\\\k=\frac{2}{3}

<em> </em>Substitute the value of <em>k</em>  into the expression. Then, the equation is:

y=\frac{2}{3}xz

To find the value of <em>y </em>when x=7 and z=4, you must substute these values into the equation. Therefore you obtain:

y=k=\frac{2}{3}(7)(4)

y(7,4)=\frac{56}{3}

<em> </em>

5 0
3 years ago
Read 2 more answers
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