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3 years ago

How can you use a number line to represent the subtraction between two integer's?

2 answers:

6 0

Salutations!

How can you use a number line to represent the subtraction between two integers?

A number line is a representation to help find your sums. To represent the subtraction between two integers ----- you need to just jump backwards; move towards your left on the number line.

Hope I helped :D

prohojiy [21]3 years ago

5 0

Ex: you can do 5-3 by putting a dot on the five and looping back 3 spaces. Hope it helps!

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Use Heron's formula to find the area of the triangle. Round to the nearest square foot.

Sphinxa [80]

Answer:

A ≈ 2 ft²

Step-by-step explanation:

The area (A) of a triangle using Heron's formula is

A = $\sqrt{s(s-a)(s-b)(s-c)}$

where s is the semiperimeter and a, b , c the sides of the triangle.

s = $\frac{a+b+c}{2}$ = $\frac{4+4+1}{2}$ = $\frac{9}{2}$ = 4.5

Then

A = $\sqrt{4.5(4.5-4)(4.5-4)(4.5-1)}$

= $\sqrt{4.5(0.5)(0.5)(3.5)}$

= $\sqrt{3.9375}$

≈ 1.9843...

= 2 ft² ( to the nearest square foot )

8 0

3 years ago

If , find the values of a, b and c. √3 2+√3

djverab [1.8K]

Answer:

my valueeeeeeeeeeeeeeeeeeeeeeeeeee

Step-by-step explanation:

jokeeeee hehe

8 0

3 years ago

Read 2 more answers

Taylor baked a cake. Suppose she cut the cake into 8 equal size pieces and 6 people ate all the pieces. Explain how they could h

Karolina [17]

She could've cut the cake into 6 pieces so everyone could have an equal slice of cake or she could've cut it into 12 pieces and everyone could have 2 pieces each equally

hope this helps :)

5 0

3 years ago

The diagram below shows an Isosceles triangle. Label the base angles and the vertex

Dmitry [639]

The base angles of an isosceles triangle are equal

The base angles are 15 degrees, while the vertex angle is 150 degrees

The base angles are given as:

Base = (6a- 3) and (a + 12)

So, we have:

$\mathbf{6a -3 =a + 12}$

Collect like terms

$\mathbf{6a -a =3 + 12}$

$\mathbf{5a = 15}$

Divide both sides by 5

$\mathbf{a = 3}$

Substitute 3 for a in Base = (6a- 3),

$\mathbf{Base = 6 \times 3 - 3}$

$\mathbf{Base = 18 - 3}\\$

$\mathbf{Base = 15}$

So, the base angle is 15 degrees.

The vertex angle is calculated using:

$\mathbf{Vertex=180 -2 \times Base}$

So, we have:

$\mathbf{Vertex=180 -2 \times 15}$

$\mathbf{Vertex=150 }$

Hence, the vertex angle is 150 degrees

Read more about isosceles triangles at:

brainly.com/question/25739654

6 0

2 years ago

A figure is created for semi-circles in a rectangle?

aev [14]

Answer:Learn to find the area of composite figures that contain circles and semi-circles. ... The area of the rectangle is 48 square inches. Next, recognize that ... Find the area of a figure that is made up of a square and a semi-circle.

Step-by-step explanation:I have made this reasoning: an eyelet consists of two semicircles and a rectangle (or two semirectangle), then a semicircle and a semirectangle ..But some irregular figures are made up of two or more standard geometric shapes. To find the ... We will break the figure into a rectangle and two semi-circles.

4 0

3 years ago