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Savatey [412]
3 years ago
5

Isabella can run 4 miles in 56 minutes. How many

Mathematics
2 answers:
Paladinen [302]3 years ago
8 0

Answer:

2miles

Step-by-step explanation:

56/4=14

28/2=14

mariarad [96]3 years ago
3 0

Answer:

2 miles

Step-by-step explanation:

So, first lets find how many minutes per 1 mile

So, 56÷4= 14 minutes per mile

So, if she does 1 mile in 14 mins, she does 2 miles in 28 mins, because 14*2 is 28

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Please help! Please!!
hram777 [196]
You can proceed like this,

650 kb for a pic
and 2200kb for song ( 650 + 1550)

total= 18150 kb  and 16 files

so, 650 kb each in both pic and song = 16 * 650= 10400

remaining = 18150-10400 = 7750 , which is contributed by  additional 1550 of songs that is  
7750/1550 = 5

so, a total of 5 songs and 11 pictures were  sold..

hope it helped
8 0
4 years ago
Explain how to convert 6 feet into meters.
SCORPION-xisa [38]
Its 1.8288 meters use the conversion its equals this plz mark brainlest
7 0
3 years ago
Read 2 more answers
Drag each equation to show if it could be a correct first step to solving the equation 3(6+x)=24.
enot [183]

Answer:

=2

Step-by-step explanation:

i did everything seprately

4 0
3 years ago
Read 2 more answers
Homer and Mike were replacing the boards on​ Mike's old deck. Mike can do the job alone in 1 hour less time than Homer. They wor
zysi [14]

Answer: 19.65 hours

<u>Step-by-step explanation:</u>

Mike: \frac{1}{x-1}\ \text{hours}

Homer: \frac{1}{x}\ \text{hours}

The each work 7 hours plus Mike works 5 hours alone:

7\bigg(\dfrac{1}{x-1}\bigg)+7\bigg(\dfrac{1}{x}\bigg)+5\bigg(\dfrac{1}{x-1}\bigg)=1\ job\\\\\\12\bigg(\dfrac{1}{x-1}\bigg)+7\bigg(\dfrac{1}{x}\bigg)=1\ job\\\\\\\bigg(\dfrac{12}{x-1}\bigg)+\bigg(\dfrac{7}{x}\bigg)=1\\\\\\(x)(x-1)\bigg(\dfrac{12}{x-1}\bigg)+(x)(x-1)\bigg(\dfrac{7}{x}\bigg)=1(x)(x-1)\\\\\\12(x) + 7(x-1)=x^2-x\\\\12x + 7x - 7 = x^2-x\\\\.\qquad \qquad \ \ 0=x^2-20x+7

Use quadratic formula to solve for x:

x=\dfrac{-b\pm \sqrt{b^2-4ac}}{2a}\\\\.\quad=\dfrac{-(-20)\pm \sqrt{(-20)^2-4(1)(7)}}{2(1)}\\\\.\quad=\dfrac{20\pm \sqrt{400-28}}{2}\\\\.\quad=\dfrac{20\pm \sqrt{372}}{2}\\\\.\quad=\dfrac{20\pm 19.3}{2}\\\\.\quad=10\pm9.65\\\\.\quad=19.65\quad or\quad 0.35

We know that 0.35 cannot be a valid answer since it took at least 12 hours to complete the job.

So, Homer can get 1 job done in 19.65 hours.

5 0
3 years ago
4 Points
Vladimir [108]

Answer:

35

Step-by-step explanation:

One is given the following function (y=3x+5). The given problem asks one to find the output of the function when the input is (10). Keep in mind, a general rule for dealing with functions is that, when present, the variable (x) represents the input. Whereas the variable (y) represents the output. Thus, if one were to substitute (10) in place of (x), and simplify: the result one would get is the output. Apply this idea to the given scenario:

y=3x+5

y=3(10)+5

y=30+5

y=35

4 0
3 years ago
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