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olga55 [171]
3 years ago
14

I will mark you brainlist!

Mathematics
1 answer:
mote1985 [20]3 years ago
7 0

Answer:

8 triangles

Step-by-step explanation:

1 Triangle = 2 needed to be solve. 4 triangle × 2 =8.

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Hayden is creating triangles using plastic straws cut to various lengths for the sides. Which set of straw lengths can he use to
balandron [24]

Answer:

The answer is below

Step-by-step explanation:

A triangle is a polygon with three sides and three angles. Types of triangles are isosceles, acute, scalene, obtuse, right and equilateral triangle.

A scalene triangle is a triangle in which all the three sides of the triangle have different lengths hence, all the angles of the triangle also have different lengths.

Therefore the set of straw lengths that can be used a scalene triangle must have different lengths, for example:

5, 7 , 8

7 0
3 years ago
A cone has a surface area of 200 pi square inches. If the radius of the
Helen [10]

Answer:

20\:\mathrm{in}

Step-by-step explanation:

The lateral surface area of a cone is given by A=\pi r\ell, where r is the radius of the base of the cone and \ell is the cone's slant height.

Solving for \ell:

200\pi=10\pi\ell,\\\ell=\frac{200\pi}{100\pi}=\boxed{20\:\mathrm{in}}

*Note: It is implied that the surface area of 200 pi square inches is lateral surface area and not total surface area, because it is impossible to obtain a total surface area of 200 pi with a radius of 10 inches.

5 0
3 years ago
Eric invested in a savings bond for 4 years and was paid simple interest at an annual rate of 5%. The total interest that he ear
butalik [34]

Answer:

9000

Step-by-step explanation:

SI=PRT/100

P=SI 100/RT

=[ 1800×100]÷ 20

= 180000÷20

= 9000

8 0
3 years ago
Lisa has $150 at most to spend on clothes. She wants to buy a pair of jeans for $58 and will spend the rest on t-shirts that cos
ExtremeBDS [4]

Answer:

blank less than or equal to 6

Step-by-step explanation:

$150-$58=$92

multiples of $14 closest is $84 which is 6 shirts and whats left is $8.

8 0
3 years ago
Read 2 more answers
What is the area?? Please help
Olegator [25]

Answer:

<h3>324 ft²</h3>

Step-by-step explanation:

We have the triangle and the rectangle.

The formula of an area of a triangle:

A_{\triangle}=\dfrac{1}{2}bh

b - base

h - height

The formula of an area of a rectangle:

A_{\boxed{\ }}=lw

l - length

w - width

We have b = 24 ft, h = 7 ft, l = 24 ft and w = 10 ft.

Substitute:

A_\triangle=\dfrac{1}{2}(24)(7)=(12)(7)=84\ ft^2

A_{\boxed{\ }}=(24)(10)=240\ ft^2

The area of the figure:

A=A_{\triangle}+A_{\boxed{\ }}

Substitute:

A=84+240=324\ ft^2

7 0
3 years ago
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