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4 years ago

What is 7/8 plus 1/3

Mathematics

1 answer:

horsena [70]4 years ago

5 0

7/8 +1/3 =1 1/8 that is the answer

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Un teren de 220 ha trebuie arat in 3 zile.Stiind ca a doua zi s-a arat de 1,5 ori mai mult ca in frima zi,iar in a treia zi s-a

AVprozaik [17]

I need a translation

5 0

3 years ago

Which system or equation is represented in the graph?

melamori03 [73]

Answer:

$(A)\displaystyle \begin{array} {ccc} \displaystyle y = - 2 \\ x - 2y = 6\\ \end{array}$

Step-by-step explanation:

<h3>Equation of the blue line:</h3>

since the line is horizontal and passes -2 the equation of the blue line should be

$\displaystyle \large y = - 2$

<h3>Equation of the red line:</h3>

remember The form of equation of a line

$\displaystyle \boxed{ \displaystyle y = mx + b}$

where m is slope of the line and b is the y-intercept we can clearly see that the red line crosses y-axis at (0,-3) therefore b=-3

to figure out m we can consider the following formula:

$\displaystyle m = \frac{ \Delta y}{ \Delta x}$

from the graph we acquire ∆y=1 and ∆x=2

thus substitute:

$\displaystyle m = \frac{ 1}{ 2}$

so we have figured out m and b

therefore our equation of blue line is

$\displaystyle y = \frac{1}{2} x - 3$

our given options are in standard form so

move -3 to left hand side and change its sign:

$\displaystyle y + 3= \frac{1}{2} x$

cross multiplication:

$\displaystyle 2y + 6= x$

move 6 to right hand side and x to left hand side and change its sign

$\displaystyle - x + 2y = - 6$

multiply both sides by -1:

$\displaystyle x - 2y = 6$

hence, our system of linear equation is

$\displaystyle \begin{cases} \displaystyle y = - 2 \\ x - 2y = 6\\ \end{cases}$

3 0

3 years ago

2(x+7)+3(x+1) what is the answer

barxatty [35]

Answer:

5x + 17

Step-by-step explanation:

To answer this question, we must first simplify:

2 (x + 7) + 3 (x + 1) = 2x + 14 + 3x + 3

Then, we have to combine like terms:

2x + 14 + 3x + 3 = 5x + 17

And there is our answer, 5x + 17

Hope this helps ! :)

5 0

4 years ago

Someone please help me answer this

WARRIOR [948]

The given triangle is a Right angled triangle 

So, by applying Pythagoras theorem :

here's the solution,

=》

$13 {}^{2} = b {}^{2} + 5 {}^{2}$

=》

${b}^{2} = 13 {}^{2} - {5}^{2}$

=》

${b}^{2} = 169 - 25$

=》

${b}^{2} = 144$

=》

$b = \sqrt{144}$

=》

$b = 12$

value of b = 12 yards

5 0

3 years ago

A punch recipe requires 3/5 of a cup of pineapple juice for ever 2 1/2 cups of soda. what is the unit rate of soda to pineapple

mojhsa [17]

(2½)/(⅗)=5/2×5/3=25/6 cups of soda to 1 cup of juice=4⅙ cups of soda per cup of juice.

4 0

3 years ago