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Gemiola [76]
3 years ago
8

3. Can a triangle have sides with the given lengths? 8 cm, 7 cm, 9 cm

Mathematics
2 answers:
Cerrena [4.2K]3 years ago
6 0

Answer:yes

Step-by-step explanation:

Elza [17]3 years ago
4 0

Answer:

yes

Step-by-step explanation:

In geometry, an isosceles triangle is a triangle that has two sides of equal length. Sometimes it is specified as having exactly two sides of equal length, and sometimes as having at least two sides of equal length, the latter version thus including the equilateral triangle as a special case. Examples of isosceles triangles include the isosceles right triangle, the golden triangle, and the faces of bipyramids and certain Catalan solids.

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(awarding brainliest) i’m not that smart pls help.
Alenkasestr [34]

Answer:

4) (2)(4)(3.14) = 25.12 m

5) (12)(3.14) = 37.68 ft

6) (2)(2)(3.14) = 12.56 yd

3 0
3 years ago
A rectangles width is one third it’s length, and it’s perimeter is 120 m. Find the dimensions of the rectangle
tresset_1 [31]
The length is 45m and the width is 15m. Hope I was able to help

3 0
3 years ago
In scientific notation
mrs_skeptik [129]

(3.9 \times  {10}^{ - 3}) + 0.0026 =

(39 \times  {10}^{ - 4}) + (26 \times  {10}^{ - 4}) =

39 \times  {10}^{ - 4} + 26 \times  {10}^{ - 4} =

Factoring \:  {10}^{ - 4}

{10}^{ - 4} \times (39 + 26) =

65 \times  {10}^{ - 4} =  6.5 \times  {10}^{ - 3}

_________________________________

And we're done.

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8 0
3 years ago
A sequence is defined by the recursive function f(n + 1) =
ella [17]

Answer:

f(1)=9

Step-by-step explanation:

Given \ f(n+1)=f(n)\\f(3)=f(2)\\f(2)=f(1)\\f(1)=f(2)=f(3)\\f(1)=f(3)\\f(1)=9

6 0
3 years ago
Mrs. Brown drove 105 miles in 2.5 hours. What was Mrs. Browns speed in miles per hour?
fiasKO [112]

Answer:

42mph.

Step-by-step explanation:

We know that the formula for miles per hour is.

r = d/t

R is our rate or miles per hour.

D is our distance.

T is our time.

In this case our distance is 105 miles.

And our times is 2.5 hours.

Therefore if we substitute them into our formula:

105mi ÷ 2.5hrs = 42mph

Hope this helped!

8 0
2 years ago
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