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3 years ago

Please help me to solve this

Mathematics

1 answer:

zzz [600]3 years ago

3 0

Answer:

Below in bold.

Step-by-step explanation:

First find the height by use Pythagoras theorem on the right triangle:

h = sqrt (5^2 - 4^2)

= sqrt 9

= 3.

Volume of the prism = area of the triangle * length

= 1/2 * 3 * 4 * 10

= 1/2 * 12 * 10

= 60 cm^3.

Total area = area of 2 triangles + area 0f 3 rectangles

= 2 * 1/2 * 3 * 4 + 3 * 10 + 4 * 10 + 5 * 10

= 12 + 30 + 40 + 50

= 132 cm^2.

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NEED HELP FAST!!!

faust18 [17]

In order to solve the formula

$C=\pi d$

in terms of d, you simply have to divide both sides by pi:

$d=\dfrac{C}{\pi}$

The total height of the earring is the sum of the diameters of the circles. Given their circumferences, the diameters are

$d_1=\dfrac{6}{\pi},\quad d_2=\dfrac{8}{\pi}$

So, the total height is

$h=d_1+d_2=\dfrac{6}{\pi}+\dfrac{8}{\pi}=\dfrac{14}{\pi}$

6 0

3 years ago

Find the cosine of each acute angle

Lemur [1.5K]

Answer:

cos P = 53 degrees

cos Q = 37 degrees

Step-by-step explanation:

cos P = $\frac{adjacent}{hypothenuse}$

cos P = $\frac{24}{40}$

cos P = 0.60

Cos-1 of 0.60 is 53.13 (round to the nearest whole number)

cos P = 53 degrees

cos Q = $\frac{adjacent}{hypothenuse}$

cos Q = $\frac{32}{40}$

cos Q = 0.80

Cos of 0.80 is 36.86 (round to the nearest whole number)

cos Q = 37 degrees

To check anser:

90 + 53 + 37 = 180

180 = 180

4 0

3 years ago

This is my last question please help me

anastassius [24]

Answer:

Angle ADC = 80 degrees

Step-by-step explanation:

Here, we want to find the measure of angle ADC

mathematically, sum of angles at a point is 360

Thus;

x + 3x + x + 10 = 360

5x + 10 = 360

5x = 360-10

5x = 350

x = 350/5

x = 70

From the diagram;

angle ADC is (x + 10)

so we have; (70 + 10) = 80 degrees

7 0

3 years ago

What’s the answer to this if u know tho! Thank uuu :)))

alukav5142 [94]

Answer:

180=40+(x+20)

x+20=140

x=120

6 0

3 years ago

Read 2 more answers

Point r divides ef¯¯¯¯¯ in the ratio 1 : 5. if the coordinates of e and f are (4, 8) and (11, 4), respectively, what are the coo

gizmo_the_mogwai [7]

See the attachment for detailed answer
<span>So then R is 1/6 of the way from E to F.
The x distance from E to F is 11- 4=7.
So then the x distance from E is,
Similarly for y,

R:(31/6,22/3)</span>

5 0

3 years ago

Please help me to solve this​

Please help me to solve this