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3 years ago

Which term describes 2x + 5 = 17?

Mathematics

1 answer:

ki77a [65]3 years ago

6 0

Answer:

Expression

Step-by-step explanation:

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Evaluate the following expression.7/8 ÷ 1/8 + 22

diamong [38]

Answer:

Step-by-step explanation:

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7/8 × 8/1 + 22

56/8 + 22

7 + 22

4 0

3 years ago

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In 64.71, in which place is the 4?

NeTakaya

Answer:

ones place

Step-by-step explanation:

5 0

2 years ago

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Consider the following equation x= r-h/y.Solve the equation for h

Flura [38]

x= r - h/y subtract r from both sides

x-r = -h/y multiply each side by -y

-y(x-r) = h

-xy +yr = h

6 0

3 years ago

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The value of

marusya05 [52]

$\large\underline{\sf{Solution-}}$

We have to find out the value of the fraction.

Let us assume that:

$\sf \longmapsto x =2 + \dfrac{1}{2 + \dfrac{1}{2 + \dfrac{1}{2 + ... \infty} } }$

We can also write it as:

$\sf \longmapsto x =2 + \dfrac{1}{x}$

$\sf \longmapsto x =\dfrac{2x + 1}{x}$

$\sf \longmapsto {x}^{2} =2x + 1$

$\sf \longmapsto {x}^{2} - 2x - 1 = 0$

Comparing the given equation with ax² + bx + c = 0, we get:

$\sf \longmapsto\begin{cases} \sf a =1 \\ \sf b = - 2 \\ \sf c = - 1 \end{cases}$

By quadratic formula:

$\sf \longmapsto x = \dfrac{ - b \pm \sqrt{ {b}^{2} - 4ac } }{2a}$

$\sf \longmapsto x = \dfrac{2 \pm \sqrt{ {( - 2)}^{2} - 4(1)( - 1)} }{2 \times 1}$

$\sf \longmapsto x = \dfrac{2 \pm \sqrt{4 + 4} }{2 \times 1}$

$\sf \longmapsto x = \dfrac{2 \pm \sqrt{8} }{2}$

$\sf \longmapsto x = \dfrac{2 \pm2 \sqrt{2} }{2}$

$\sf \longmapsto x = 1 \pm\sqrt{2}$

$\sf \longmapsto x = \begin{cases} \sf 1 + \sqrt{2} \\ \sf 1 - \sqrt{2} \end{cases}$

But "x" cannot be negative. Therefore:

$\sf :\implies x = 1 + \sqrt{2}$

So, the value of the fraction is 1 + √2.

4 0

2 years ago

PLEASE HELP?!?!?!

lakkis [162]

Answer:

c. In 2 seconds, the commuter train travels 120 feet.

Step-by-step explanation:

Given

The attached graph

Required

What does x-coordinate of 2 represents

Represent this coordinate with (x,y)

From the graph:

$x = 2$ when $y = 120$

Note that:

x = time and y = distance

So:

$(x,y) = (2,120)$

Which means:

At 2 seconds, the train has travelled a distance of 120ft

From the list of options, (c) is correct

6 0

3 years ago