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3 years ago

5

Write a description of how a diagram can help you solve 2x40

1 answer:

stiv31 [10]3 years ago

4 0

Read and understand given problem situations.
Develop and use the strategy: Draw a diagram.
Plan and complete alternative approaches to solving problems.
Solve real-world problems using selected strategies as part of a plan.

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adell [148]

We know that
in a right triangle
Applying the Pythagoras Theorem
c²=a²+b²

in this problem
c=√87 yd
a=√23 yd
b=?
so
b²=c²-a²-----> b²=(√87)²-(√23)²----> b²=87-23----> b²=64----> b=8 yd

the answer is
8 yd

4 0

3 years ago

Read 2 more answers

Order from least to greatest 1/5 1/2 and 1/3

Sedaia [141]

Step-by-step explanation:

recommended is to convert to decimal

1/5 is 0.2

1/2 is 0.5

1/3 is 0.33

Order is 1/5, 1/3, 1/2

5 0

3 years ago

Read 2 more answers

This hyperbola is centered at theorigin. Find its equation.Foci: (-2,0) and (2,0)Vertices: (-1,0) and (1,0)

beks73 [17]

SOLUTION

From the question, the center of the hyperbola is

$\begin{gathered} (h,k),\text{ which is } \\ (0,0) \end{gathered}$

a is the distance between the center to vertex, which is -1 or 1, and

c is the distance between the center to foci, which is -2 or 2.

b is given as

$\begin{gathered} b^2=c^2-a^2 \\ b^2=2^2-1^2 \\ b=\sqrt[]{3} \end{gathered}$

But equation of a hyperbola is given as

$\frac{(x-h)^2}{a^2}-\frac{(y-k)^2}{b^2}=1$

Substituting the values of a, b, h and k, we have

$\begin{gathered} \frac{(x-0)^2}{1^2}-\frac{(y-0)^2}{\sqrt[]{3}^2}=1 \\ \frac{x^2}{1}-\frac{y^2}{3}=1 \end{gathered}$

Hence the answer is

$\frac{x^2}{1}-\frac{y^2}{3}=1$

5 0

1 year ago

How much is a dollar

Ivanshal [37]

Answer:

$1.00

Step-by-step explanation:

4 0

3 years ago

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How many times douse 45 go into 240

Len [333]

45 goes into 240 5.33 times

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3 years ago

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