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4 years ago

What is the equation 2y+4n=-6x in slope-intercept form

Mathematics

1 answer:

MaRussiya [10]4 years ago

7 0

Answer:

ahahahahahahah sorry I really need points I will answer later I promise!!!

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the figure shown is a rectangle with a semicircle on each end. what is the area of the figure? use 3.14 for <img src="https://te

nirvana33 [79]

Answer:

$\boxed{a.\:\:\:76.3\:in^2}$

Step-by-step explanation:

The figure is made up of a rectangle and two semicircles.

We find the area of the rectangle using the formula;

$Area = l\times w$

$\Rightarrow Area = 8\times 6$

$\Rightarrow Area = 48\:in^2.$

We find the area of one of the semicircles and multiply by 2;

The area of the semicircles

$=2\times \frac{1}{2}\times \pi \times r^2$

We substitute $\pi =3.14$ and $r=3\:in$ to obtain;

$=2\times \frac{1}{2}\times 3.14 \times 3^2$

$= 3.14 \times 9$

$=28.26\:in^2$

The area of the figure is

$=48+28.26$

$=76.26\:in^2$

To the nearest tenth we have;

$=76.3\:in^2$

The correct answer is A

6 0

3 years ago

Read 2 more answers

The store salsa jars have a height of ten centimeters and a radius of five centimeters. If there is only four centimeters of sal

Romashka-Z-Leto [24]

Answer:

$V=471.24cm^{3}$ (simplified)

$V=150\pi cm^{3}$ (in terms of pi)

Step-by-step explanation:

Since the salsa jar is basically a cylinder, to solve this we are using the formula for the volume of a cylinder:

$V=\pi r^{2} h$

where

$V$ Is the volume of the cylinder (salsa jar)

$r$ is the radius of the cylinder (salsa jar)

$h$ is the height of the cylinder (salsa jar)

We know from our problem that height of the full salsa jar is 10 centimeters; we also know that that there are only 4 centimeters of salsa left in the salsa jar. So, to find the the height of the missing salsa, we just need to subtract the height of the salsa from the height of the full salsa jar: $h=10cm-4cm=6cm$ . Since the radius of the salsa jar never changes, $r=5cm$ .