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34kurt
3 years ago
5

Indiana is hiking at a rate of 5 miles per hour. At this rate, how long will it take her to hike 22 miles?

Mathematics
1 answer:
Pie3 years ago
8 0

v =\dfrac{d}{t}

5 = \dfrac{22}{t}

t = \dfrac{5}{22}

She will take \dfrac{5}{22} hours or 13 minutes and 38 secs.

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Write each equation in standard form using integers? <br><br> y = 3x + 1<br><br> y = 4x - 7
Maru [420]

Answer:

The standard form of y = 3 x + 1 is         -3x + y = 1 .

The standard form of y  = 4x - 7 is         -4x + y = -7.

Step-by-step explanation:

Here the given equation are:

y = 3 x + 1

and y  = 4x - 7

The above equations are of the form:  y = m x + C

Now, the STANDARD FORM of the equation is Ax + By  = C

<u>Consider equation 1: </u>

y = 3 x + 1

or, y - 3x  = 1

or. -3x + y = 1

⇒ The equation  -3x + y = 1  is in STANDARD FORM.

<u>Consider equation 2: </u>

y = 4 x - 7

or, y - 4x  = -7

or. -4x + y = -7

⇒ The equation -4x + y = -7 is in STANDARD FORM.

3 0
3 years ago
Need help please anyone
kifflom [539]
Which question do you need help with
5 0
3 years ago
What is the center of the circle described by the equation (x - 2)^2 +(y + 7)^2 =169
Marizza181 [45]

Answer:

The center is (2, -7)

Step-by-step explanation:

A circle is given by

(x-h)^2 + (y-k)^2 = r^2

where(h,k) is the center and r is the radius

(x - 2)^2 +(y + 7)^2 =169

(x - 2)^2 +(y -  -7)^2 =13^2

The center is (2, -7) and the radius is 13

4 0
2 years ago
Don operates a taxi business, and this year one of his taxis was damaged in a traffic accident. The taxi was originally purchase
scoray [572]
I believe the answer is c
3 0
3 years ago
If a concrete mix contains 1-1/2 cubic feet of gravel, 1/2 cubic foot of water,
Karolina [17]

Answer:

The correct answer is "50%".

Step-by-step explanation:

The given values are:

Gravel,

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

Water,

= \frac{1}{2}

Cement,

= 1

Sand,

= 2

Now,

The total mixture will be:

= Gravel+Water+Cement+Sand

By substituting the values, we get

= (1-\frac{1}{2} )+\frac{1}{2} +1+2

= \frac{1}{2} +\frac{1}{2} +1+2

= 4 \ cubic \ feet

hence,

The percentage of sand will be:

= \frac{Sand}{Total}\times 100

= \frac{2}{4}\times 100

= 50%

3 0
2 years ago
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