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3 years ago

Hello, can someone explain/answer these? You don't have to do both of them

Mathematics

1 answer:

MissTica3 years ago

4 0

Answer:

#1= 5x5=25

25x the amount of squares= 25x6= 150cm^2

#2= 1.5x2.6= 3.9ft.

3.9xamount of right angle triangles= 3.9x8=31.2ft^2

(^2 means squared)

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Select the figure obtained when rotating the figure about an axis along its largest side, and find the exact surface area of the

Talja [164]

Answer:

Figure obtained - Cylinder

Surface area of the cylinder is 1224π square units.

Step-by-step explanation:

When a rectangle is rotated about an axis along its largest side, a cylinder having radius 17 and height 19 units is formed.

Surface area of the cylinder = 2πr(h + r)

By substituting r = 17 units and h = 19 units in the given formula,

Surface area = 2π(17)(17 + 19)

= (34)(36)π

= 1224π

Therefore, surface area of the cylinder is 1224π square units.

4 0

3 years ago

Kate had a sum of money,she spent 1/8 of the money on a skirt and the remaining amount on a handbag,the skirt cost $16,how much

tiny-mole [99]

Answer:

$18.28

Step-by-step explanation:

Step one:

given data

Kate had a sum of money,she spent 1/8 of the money on a skirt and the remaining amount on a handbag

let the total money be x

so mathematically

x-1/8*x= 16

solve for x

x-x/8= 16

8x-x/8= 16

7x/8=16

cross multiply

7x= 8*16

7x=128

divide both sides by 7

x=128/7

x=$18.28

7 0

3 years ago

Estimate how many times larger 7 x 10^10 is than 13 x 10^8.

Tpy6a [65]

The answer to this equation is A) 50 times larger

4 0

3 years ago

Read 2 more answers

Bills car gets 30 miles to the go on. For every galon of gas it consumes his car runs 30 miles use this information to determine

jok3333 [9.3K]

Answer:

Step-by-step explanation:

30+30=60

5 0

3 years ago

Engineers want to design passenger seats in commercial aircraft so that they are wide enough to fit 95 percent of adult men. Ass

zimovet [89]

Answer:

$z=1.64$

And if we solve for a we got

$a=14.4 +1.64*1.1=16.204$

The 95th percentile of the hip breadth of adult men is 16.2 inches.

Step-by-step explanation:

Let X the random variable that represent the hips breadths of a population, and for this case we know the distribution for X is given by:

$X \sim N(14.4,1.1)$

Where $\mu=14.4$ and $\sigma=1.1$

For this part we want to find a value a, such that we satisfy this condition:

$P(X>a)=0.05$ (a)

$P(X$ (b)

We can find a quantile in the normal standard distribution who accumulates 0.95 of the area on the left and 0.05 of the area on the right it's z=1.64

Using this value we can set up the following equation:

$P(X$

$P(z$

And we have:

$z=1.64$

And if we solve for a we got

$a=14.4 +1.64*1.1=16.204$

The 95th percentile of the hip breadth of adult men is 16.2 inches.

8 0

3 years ago