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3 years ago

14

-8+40>-16 Find the solution ASAP PLEASE

2 answers:

storchak [24]3 years ago

7 0

Answer:

-8x+40 > -16

-8x > -16 -40

-8x > 56

x > 56/ -8

x > -7

Step-by-step explanation:

Bess [88]3 years ago

3 0

-8x+40 > -16
-8x > -16 -40
-8x > 56
x > 56/ -8
x > -7

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How to do I do solving systems of equations by elimination

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3 years ago

After dinner 1-3 of the corn bread is left suppose 2 friends want to share it equally what fraction names how much of the whole

Ad libitum [116K]

Answer:

Each friend will get $\frac{1}{18}$ of whole pan of corn bread

Step-by-step explanation:

As given,

Corn bread left = $\frac{1}{3}$

Total number of friends = 2

So the left bread will divide into 2 parts

So, each person will get = $\frac{1}{2}$ ( $\frac{1}{3}$ ) = $\frac{1}{6}$ of the left bread

Now,

Left bread = $\frac{1}{3}$ of whole bread

And

Each person get = $\frac{1}{6}$ of the left bread

= $\frac{1}{6}$ × $\frac{1}{3}$ of whole bread

= $\frac{1}{18}$ of whole bread

∴ we get

Each friend will get $\frac{1}{18}$ of whole pan of corn bread

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3 years ago

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2 years ago

For what value of “a”are the graphs of 5y = -2x + 10 and 3y = aX- 15 parallel

Pie

Answer:

a = -6/5

Step-by-step explanation:

For the graphs to be parallel the graphs should have same slope(m)

So we rewrite both our equations in the slope-intercept form then compare the slope to find the value of a like this,

$y=mx+b$

This equation is the slope-intercept form we convert both our equations in this form firstly taking equation 1

$5y=-2x+10\\\\y=\frac{-2x+10}{5} \\\\y=\frac{-2}{5}x+\frac{10}{5} \\\\y=\frac{-2}{5}x+2$

so if we compare it with y = mx + b the coefficient of x is m and hence

m= -2/5 now solving for equation 2

$3y=ax-15\\\\y=\frac{ax-15}{3} \\\\y=\frac{ax}{3}-\frac{15}{3} \\\\y=\frac{a}{3}x-5\\\\$

so here if we compare it with y = mx + b the coeffienct of x is a/3 so since parallel lines have same slope by the formula:

$m_1=m_2$

we equation both the slope to each other to find the value of a like this,

$m_1=m_2\\\\\frac{-2}{5}=\frac{a}{3}\\\\-2(3)=a(5)\\\\-6=5a\\-6/5=a$

so the value of a equals

a= -6/5

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3 years ago