Need help 79.93 x 32.45

Mathematics

2 answers:

kiruha [24]3 years ago

4 0

2,593.7285 hope it helps

LiRa [457]3 years ago

3 0

Answer:

2593.7285

Step-by-step explanation:

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4(2x-1)=36<br> How do I answer this

topjm [15]

X = 5; 2(5) - 1 = 9. 4(9) = 36

7 0

2 years ago

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What is the radius of a sphere if its surface area is 2,122.64 square inches? (Use 3.14 for π.) 11 in. 13 in. 121 in. 169 in.

crimeas [40]

To solve this, we are going to use the surface are of a sphere formula: $A=4 \pi r^2$
where
$A$ is the surface area of the sphere
$r$ is the radius of the sphere

We know for our problem that $A=2122.64$ and $\pi =3.14$ , so lets replace those vales in our formula:
$A=4 \pi r^2$
$2122.64=4(3.14)r^2$
$2122.64=12.56r^2$
Now, we just need to solve our equation for $r$ :
$\frac{2122.64}{12.56} =r^2$
$r^2=\frac{2122.64}{12.56}$
$r^2=169$
$r=+or- \sqrt{169}$
$r=13$ or $r=13$
Since the radius of a sphere cannot be a negative number, $r=13$ .

We can conclude that the radius of a sphere with surface area <span>2,122.64 </span> $in^2$ is 13 in.

3 0

3 years ago

(20 POINTS!!!)

frozen [14]

Answer:

1170 ft³

Step-by-step explanation:

Volume of prism

= base area × height

= 90 × 13

= 1170

3 0