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3 years ago

Write 187.023 in word form

Mathematics

2 answers:

ladessa [460]3 years ago

7 0

we have

$187.023$

we know that

$187.023=187+0.023$

the number $187$ in word form is one hundred eighty-seven

the number $0.023$ in word form is twenty-three thousandths

therefore

<u>the answer is</u>

the number $187.023$ in word form is equal to

One hundred eighty-seven and twenty-three thousandths

riadik2000 [5.3K]3 years ago

4 0

One hundred eighty-seven and twenty-three thousandths
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the perimeter of the circular base of a cone is 132 cm and its vertical height is 28 cm find the curved surface area total surfa

Elden [556K]

Answer:

i. Curved surface area = 2310 $cm^{2}$

ii. Total surface area = 3696 $cm^{2}$

iii. volume = 12936 $cm^{3}$

Step-by-step explanation:

Perimeter of the circular base = circumference of the circle = 132 cm

circumference of a circle = 2 $\pi$ r

132 = 2 $\pi$ r

r = $\frac{132}{2\pi }$

= $\frac{66}{\pi }$

r = 66 x $\frac{7}{22}$

= 3 x 7

= 21

radius = 21 cm

vertical height, h = 28 cm

Thus applying the Pythagoras theorem,

$l^{2}$ = $h^{2}$ + $r^{2}$

= $28^{2}$ + $21^{2}$

= 784 + 441

= 1225

l = $\sqrt{1225}$

l = 35 cm

The slant height is 35 cm.

i. Curved surface area = $\pi$ rl

= $\frac{22}{7}$ x 21 x 35

= 22 x 3 x 35

= 2310

curved surface area of the cone is 2310 $cm^{2}$ .

ii. Total surface area = $\pi r^{2}$ + $\pi$ rl

= $\pi$ r(r + l)

= $\frac{22}{7}$ x 21 (21 + 35)

= 22 x 3 x 56

= 3696

The total surface area of the cone is 3696 $cm^{2}$ .

iii. volume of a cone = $\frac{1}{3}$ $\pi r^{2}$ h

= $\frac{1}{3}$ x $\frac{22}{7}$ x $21^{2}$ x 28

= 12936

The volume of the cone is 12936 $cm^{3}$

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3 years ago

In the coronet plane, what is the length of the line segment that connects points at (5, 4) and (-3, -1)? Enter your answer in t

lozanna [386]

Answer:

Step-by-step explanation:

The formula of a distance between two points:

$d=\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

We have the points (5, 4) and (-3, -1). Substitute:

$d=\sqrt{(-3-5)^2+(-1-4)^2}=\sqrt{(-8)^2+(-5)^2}=\sqrt{64+25}=\sqrt{89}\approx9.43$

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3 years ago

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sladkih [1.3K]

Answer:

sas fact congruency

Step-by-step explanation:

angle and same side are given

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3 years ago

Bruce's dumbbells weigh 11 pounds each. if bruce has 14 dumbbells, how many pounds do they weigh altogether?

Liono4ka [1.6K]

Bruce's dumbbells weigh 11 pounds each

Bruce has 14 dumbbells

we know that to calculate the total weigh of all the dumbbells we have to multiply weigh of each dumbbell with the total no of dumbbells

this is because by multiplying the no of dumbbells with weight of each one we get the altogether weight

so we will multiply weight of each dumbbell by total no. of dumbbells

by multiplying we get 14*11=156

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3 years ago

Read 2 more answers

Answer all of the questions please

kakasveta [241]

Answer:

Domain (-2,3)

Range (-10, 20)

Function: Definitely

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3 years ago