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3 years ago

Solve the multiplication problem

Mathematics

1 answer:

fenix001 [56]3 years ago

3 0

The answer is 15.41 and 15.41 is already rounded to the nearest hundredth.

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What is the slope of the graph of 8x – 4y = 11?

AlekseyPX

Y = mx + b
where m is the gradient (slope)
-4y = 11 - 8x
4y = 8x - 11
y = 2x - 11/4
m = 2

The correct answer is A.

7 0

4 years ago

PLEASE HELP!!!

iren2701 [21]

Answer:

y = $\frac{3}{5}$ x - $\frac{26}{5}$

Step-by-step explanation:

the equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y-intercept )

here m = $\frac{3}{5}$ , thus

y = $\frac{3}{5}$ x + c ← is the partial equation

to find c substitute (2, - 4) into the partial equation

- 4 = $\frac{6}{5}$ + c ⇒ c = - 4 - $\frac{6}{5}$ = - $\frac{26}{5}$

y = $\frac{3}{5}$ x - $\frac{26}{5}$ ← equation of line

4 0

4 years ago

Alicia drove at a constant speed and traveled 182.4 miles in 3 hours. How many miles

muminat

Answer:

$V = \frac{182.4 mi}{3 hr}= 60.8 \frac{mi}{hr}$

And then we can find the distance travelled in 11 hours with this formula:

$D = Vt$

And replacing we got:

$D = 60.8 \frac{mi}{hr} *11 hr =668.8 mi$

So then after 11 hours she will travel 668.8 mi

Step-by-step explanation:

For this case w eknow that Alicia drove at a constant speed 182.4 mi in 3 hours. We can find the speed with this formula:

$V= \frac{D}{t}$

Where V is the velocity, D the distance and t the time if we replace we got:

$V = \frac{182.4 mi}{3 hr}= 60.8 \frac{mi}{hr}$

And then we can find the distance travelled in 11 hours with this formula:

$D = Vt$

And replacing we got:

$D = 60.8 \frac{mi}{hr} *11 hr =668.8 mi$

So then after 11 hours she will travel 668.8 mi

5 0

3 years ago

Cual es el resultado de la siguiente expresión aritmética?(-3) (1/8)+(-2.5)

nydimaria [60]

Answer: $=-2.875$

Step-by-step explanation:

$\left(-3\right)\left(\frac{1}{8}\right)+\left(-2.5\right)$

$=-3\cdot \frac{1}{8}-2.5$

$=-\frac{3}{8}-2.5$

$=-0.375-2.5$

$=-2.875$

4 0

3 years ago

Serjik [45]

Step-by-step explanation:

$= \frac{ \frac{3}{x - 2} - 5 }{2 - \frac{4}{x - 2} }$

$= \frac{ \frac{3 - 5.(x - 2)}{x - 2} }{ \frac{2.(x - 2) - 4}{x - 2} }$

$= \frac{ \frac{3 - 5.(x - 2)}{ \cancel{x - 2}} }{ \frac{2.(x - 2) - 4}{ \cancel{x - 2} }}$

$= \frac{3 - 5.(x - 2)}{2.(x - 2) - 4}$

$= \frac{3 - 5x + 10}{2x - 4 - 4}$

$= \frac{ - 5x + 13}{2x - 8}$

$= \frac{13 - 5x}{2x - 8}$

The answer is D.

8 0

2 years ago