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4 years ago

Jane cycles 27km at 12km/h how long does she take ??? Plsss helppppppppp

Mathematics

1 answer:

seropon [69]4 years ago

5 0

My guess is 30 mins sorry if wrong hope this helps

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−7x−6y=2<br> 7x+4y=−6<br> solve for x and y

ikadub [295]

Answer:

$\mathrm{The\:solutions\:to\:the\:system\:of\:equations\:are:x=-2,\:y=2}$

Step-by-step explanation:

$\begin{bmatrix}-7x-6y=2\\ 7x+4y=-6\end{bmatrix}$

$\mathrm{Substitute\:}x=-\frac{2+6y}{7}$

$\begin{bmatrix}7\left(-\frac{2+6y}{7}\right)+4y=-6\end{bmatrix}$

$\begin{bmatrix}-2-2y=-6\end{bmatrix}$

$\mathrm{For\:}x=-\frac{2+6y}{7}$

$\mathrm{Substitute\:}y=2$

$x=-\frac{2+6\cdot \:2}{7}\\\\x=-2$

5 0

2 years ago

If it’s right I will mark you Brainly!!

Free_Kalibri [48]

Answer:

y=x+20

y= 1x + 20

Step-by-step explanation:

The formula for slope is y= mx+ b

m is the slope and b is the y-intercept (where the line touches the y-axis

4 0

3 years ago

What is 4/5 of 500? Round it to the nearest hundredth

vaieri [72.5K]

To be honest i have no idea what the answer is but do you know a sentence for the word scientific theory

4 0

3 years ago

Which property is represented in the following equation: 3 + 4 = 4 + 3

Delicious77 [7]

Answer:

Commuttative Property for Addition

Step-by-step explanation:

There is the answer above

7 0

3 years ago

A farmer grows x acres of peas and y acres of tomatoes. He has 12 acres available to plant peas and tomatoes. Write an inequalit

RideAnS [48]

Answer:

Y < 2X

Step-by-step explanation:

Let the acres of land on which pea is to be cultivated is "X" acres and the acres of land on which tomato is to be cultivated is "Y"

It is given that number acres of tomatoes planted must not be more then twice the number of acres of peas planted

Thus, $Y < 2X$

$X + Y = 12$ acres

$Y = 12-X$ acres

Thus,

$12 - X \leq X\\12\leq 2X\\6 \leq X$

Let us take X = 6 , Then Y = 13-6 = 6

6 0

3 years ago