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4 years ago

What is the slope of this graph? 4 14 −14 −4

Mathematics

1 answer:

Strike441 [17]4 years ago

8 0

Answer:

-4

Step-by-step explanation:

The slope of this graph is the gradient. As it is sloping downwards the gradient will be negative, so either -4 or -14.

The gradient can be found by using the equation gradient=rise/run

The line passes through (-2, 5) and (0,-3).

This means the run (x-direction) is -2-0= -2 and the rise (y-direction) is

5 - (-3) = 5+3 = 8

Therefore the gradient is equal to 8/-2 = -4

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If bd = 7x-10, bc = 4x-29, and cd = 5x-9, find each value

Airida [17]

Answer:

$bd=88$ , $bc=27$ , $cd=61$

Step-by-step explanation:

In this problem we have that

$bd=bc+cd$

we have

$bd=7x-10$

$bc=4x-29$

$cd=5x-9$

substitute the values and solve for x

$7x-10=(4x-29)+(5x-9)$

Group terms that contain the same variable in the right sides

$7x-10=(4x+5x)+(-29-9)$

Combine like terms in the right side

$7x-10=9x-38$

$9x-7x=-10+38$

$2x=28$

$x=14$

Find the value of bd

$bd=7(14)-10=88$

Find the value of bc

$bc=4(14)-29=27$

Find the value of cd

$cd=5(14)-9=61$

4 0

4 years ago

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3 years ago

What is the 1000th digit to the right of the decimal point when $\frac{4}{15}$ is expressed as a decimal?

babymother [125]

Answer:

Step-by-step explanation:

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3 years ago

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6 0

3 years ago

morpeh [17]

Answer:

$4\sqrt{2}.\sqrt{2} = 8\\3\sqrt{7}-2\sqrt{7} =\sqrt{7}\\\frac{\sqrt{7}}{2\sqrt{7}} = \frac{1}{2}\\2\sqrt{5}.2\sqrt{5} = 20$

Step-by-step explanation:

$4\sqrt{2}.\sqrt{2}\\=4 . (\sqrt{2})^2\\=4*2\\=8\\\\3\sqrt{7}-2\sqrt{7}\\As\ the\ square\ root\ is\ same\ in\ both\ terms\\= (3-2)\sqrt{7}\\=\sqrt{7}\\\\\frac{\sqrt{7}}{2\sqrt{7}} \\The\ square\ roots\ will\ be\ cancelled\\= \frac{1}{2}\\ \\2\sqrt{5}.2\sqrt{5}\\=(2*2)(\sqrt{5})^2\\=4*5\\=20$

5 0

3 years ago

Read 2 more answers