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creativ13 [48]
3 years ago
8

Please help!!!!!!!!!​

Mathematics
2 answers:
Lena [83]3 years ago
7 0

3/4 + 5/7

= 21/28 + 20/28

= 41/28

= 1 13/28

deff fn [24]3 years ago
4 0

Answer:

3/4 + 5/7 = 41/28  = 1 13/28 ≅ 1.4642857

Step-by-step explanation:

3/4 + 5/7 = 41/28  = 1 13/28 ≅ 1.4642857

Spelled result in words is forty-one twenty-eighths (or one and thirteen twenty-eighths).

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A triangle has two constant sides of length 5 feet and 7 feet. The angle between these two sides is increasing at a rate of 0.9
o-na [289]

Answer:12.74 ft^2/s

Step-by-step explanation:

Given

Two sides of triangle of sides 5 ft and 7 ft

and angle between them is increasing at a rate of 0.9 radians per second

let \thetais the angle between them thus

Area of triangle when two sides and angle between them is given

A=\frac{ab\sin C}{2}

A=\frac{5\times 7\times \sin \theta }{2}

Differentiate w.r.t time

\frac{\mathrm{d} A}{\mathrm{d} t}=\frac{35\cos theta }{2}\times \frac{\mathrm{d} \theta }{\mathrm{d} t}

at \theta =\frac{\pi }{5}

\frac{\mathrm{d} A}{\mathrm{d} t}=\frac{35\times cos(\frac{\pi }{5})}{2}\times 0.9

\frac{\mathrm{d} A}{\mathrm{d} t}=12.74 ft^2/s

4 0
3 years ago
Individual vs organization buying ​
Yanka [14]
Individual consumers buy goods and services for ultimate use or satisfy their needs. ... The organizations buy goods and services for their business need. hope this helps
7 0
3 years ago
Please explain and help me with this question.
k0ka [10]

it is so easy

Step-by-step explanation:

can i help you

5 0
2 years ago
If the perimeter of the triangle is 32 cm what is the length of each two sides? Write and solve equation
scZoUnD [109]

Answer:

12 centimeters

Step-by-step explanation:

An isosceles triangle has two congruent sides which are legs(2 sides having same length )If x is length of each leg, then we ca write the equation like this

equation: x+x+8=32

combine like terms

2x +8 = 32

minus 8 from each side

2x=32-8

2x=24

divide both sides by 2

2x/2 = 24/2

x=12 centimeters

3 0
3 years ago
I need this answer asap! Thanks, See attached image bellow. <br> 40+ points!
Wewaii [24]

Answer:

rectangle

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
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