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3 years ago

(26)x = 1, what is the value of x

Mathematics

1 answer:

slamgirl [31]3 years ago

3 0

Answer:

x = 1/26

Step-by-step explanation:

(26)x = 1

26x = 1

x = 1/26

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F(x)= 2x 2 −x−15 −4x+12

Zinaida [17]

Answer:

f(x) = -x -3

Step-by-step explanation:

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3 years ago

they paid $4.28 in sales tax. if the sales tax rate is 6.25, what is the total cost of the items before tax?

emmasim [6.3K]

68.48

100% divided by 6.25% is 16 columns
Second row is 4.28 each
4.28(16)=$68.48

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3 years ago

What is the poinet-slope form of the equation for the line in the graph?

Ne4ueva [31]

Answer:

$y -5 = \frac{9}{13}(x - 7)$

Step-by-step explanation:

Given :

Two points are given in graph (-6, -4) and {7, 5).

The point-slope form of the equation of a straight line is:

$y -y_{1} = m(x - x_{1})$ ------------(1)

Let $(x_{1}, y_{1})=(7,5)$ and $(x_{2}, y_{2})=(-6,-4)$

The slope of the line $m=\frac{y_{2}- y_{1}}{x_{2}- x_{1}}$

Put all known value in above equation.

$m=\frac{-4- 5}{-6- 7}$

$m=\frac{-9}{-13}$

$m=\frac{9}{13}$

The slope of the line $m=\frac{9}{13}$

We know m, and also know that $(x_{1}, y_{1})=(7,5)$ , so we put these value in equation 1.

$y -5 = \frac{9}{13}(x - 7)$

Therefore, the equation of the line is $y -5 = \frac{9}{13}(x - 7)$ .

6 0

3 years ago

One morning, Muhammad's deli shop sells 15 sandwiches in 10 minutes. If the shop continues to sell sandwiches at the same rate,

antoniya [11.8K]

Answer:

68 sandwiches

Step-by-step explanation:

Given that,

A shop sells 15 sandwiches in 10 minutes.

10 minutes = (10/60) hour = (1/6) hour

In (1/6) hour shop sells 15 sandwiches

In 1 hour = 90 sandwiches

To find, no of sandwiches in 3/4 hours, multiply 3/4 by 90. So,

In 3/4 hour = $90\times \dfrac{3}{4}=67.5$ sandwiches

≅ 68 sandwiches

So, 68 sandwiches can be made in 3/4 hour.

3 0

3 years ago

Find the number that makes the ratio equivalent to 2:3. 16:?

PolarNik [594]

Im pretty sure its 16:24

4 0

3 years ago

Read 2 more answers