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3 years ago

stephen ran 5/10 kilometer. then he ran 20/100 kilometer. how much farther does Stephen need to run to complete 1 kilometer?

Mathematics

1 answer:

Kitty [74]3 years ago

5 0

200/500 is the answer of this question

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Can someone help? TvT please

zysi [14]

Answer:

I don't know bro actually which question ❓

7 0

3 years ago

Solve the system of equations by substitution. 3/8 x + 1/3 y =17/24 and <br> x + 7y = 8

goblinko [34]

$\left \{ {{ \frac{3}{8}x+ \frac{1}{3}y = \frac{17}{14} } \atop {x+7y=8}} \right.$

To solve this system by substitution, first isolate x in the second equation.

$x+7y=8$
$x+7y-7y=8-7y$
$x=8-7y$

Now, plug this expression ( $8-7y$ ) for x in the top equation to solve for y.

$\frac{3}{8} (8-7y)+ \frac{1}{3} y= \frac{17}{14}$
$3- \frac{21}{8} y+ \frac{1}{3} y= \frac{17}{24}$
$72-63y+8y=17$
$72-55y=17$
$-55y=17-72$
$-55y=-55$
$y=1$

Now that you have y, plug it into the second equation and solve for x.

$x+7y=8$
$x+7(1)=8$
$x+7=8$
$x=1$

Last step is to plug your x- and y-values in to both equations to check your work.

$\frac{3}{8} (1)+ \frac{1}{3} y= \frac{17}{24}$

$\frac{3}{8} * \frac{3}{3} = \frac{9}{24} ; \frac{1}{3} * \frac{8}{8} = \frac{8}{24}$

$\frac{9}{24} + \frac{8}{24} = \frac{17}{24}$ <--True

$1+7(1)=8$
$1+7=8$ <--True

Answer:
$x=1 \\ y=1$

5 0

4 years ago

The equation that represents the relationship between study time (x in hours per week) and GPA (y ) is given below: y=0.25x+1.3

arlik [135]

Answer:can u awser my question plz i need help

Step-by-step explanation:

5 0

3 years ago

There are 7 students at the math club picnic. If 4 students are drinking punch and 3 are drinking lemonade , what fraction are d

otez555 [7]

Answer:

3/7

Step-by-step explanation:

Total students: 7

Amount drinking lemonade: 3

So, 3 out of 7 students are drinking lemonade, or 3/7.

7 0

3 years ago

Read 2 more answers

-2+2x=-x+2+x solve for x

bixtya [17]

Answer:

x = 2

Step-by-step explanation:

- 2 + 2x = - x + 2 + x

2x + x - x = 2 + 2

2x = 4

x = 4/2

x = 2

6 0

4 years ago