3 years ago

What plus what equals negative 14

Mathematics

1 answer:

Firdavs [7]3 years ago

8 0

There are a lot but when I think of it I think -14+0

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Line has equation 3x + y = 15 Find the gradient of the line.

inessss [21]

Answer:

-3

Step-by-step explanation:

We can add -3x to put the equation into slope-intercept form.

y = -3x +15

The gradient of the line (slope) is the coefficient of x: -3.

The gradient is -3.

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2 years ago

Which equation has no solution? A 2(x+1)=1 B 2(x+1)=2x+2 C 2(x+1)=2x+1 D 2(x+1)=2

Veseljchak [2.6K]

Answer:

C) 2(x+1)=2x+1 ( No Solution )

Step-by-step explanation:

$2(x+1)=1\\\cfrac{2\left(x+1\right)}{2}=\frac{1}{2}\\x+1=\cfrac{1}{2}\\ x+1-1=\frac{1}{2}-1\\\boxed{x=-\frac{1}{2}}$

$2(x+1)=2x+2\\2x+2=2x+2\\2x+2-2=2x+2-2\\2x=2x\\2x-2x=2x-2x\\0=0$

$2(x+1)=2x+1 \\2x+2=2x+1\\2x+2-2=2x+1-2\\2x=2x-1\\2x-2x=2x-1-2x\\0=-1\\\boxed{No\:Solution}$

$2(x+1)=2\\\cfrac{2\left(x+1\right)}{2}=\cfrac{2}{2}\\x+1=1\\x+1-1=1-1\\x=0$

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2 years ago

Triangle ABC is similar to triangle DEF. Find the measure of side EF. Figures are not drawn to scale.

Svetach [21]

Answer:

KL is 1.2

JK Equal 2LK

and same thing in the first trangle

GH equal 2IH

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2 years ago

How many different ways can 6 students be seated in a row?

inna [77]

$6!=720$
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3 years ago

8 m 3 m 5 m 2 m 3 m 9 m 8 m

Andrew [12]

Answer:

this makes no sense at all, what's the question?

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2 years ago