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3 years ago

There is an error in the diagram. Choose the statement that best describes what is wrong.

Mathematics

1 answer:

marishachu [46]3 years ago

4 0

Answer:

the first one is right and other are wrong

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What is the value of x?

artcher [175]

By Sine Rule,

x/sin30° = 8/sin90°

x/0.5 = 8/1

So x = 4.

8 0

3 years ago

Read 2 more answers

PLEASE HELP ASAP! FINDING SLOPE!

stepan [7]

The answer is a because it has a negative slope and to find it i did rise over run it rises one block for every four it goes over

5 0

3 years ago

The length of the rectangular tennis court at wimbledon is 6 feet longer than twice the width. if the court's perimeter is 240 f

KATRIN_1 [288]

Length (L): 2w + 6

width (w): w

Perimeter (P) = 2L + 2w

240 = 2(2w + 6) + 2(w)

240 = 4w + 12 + 2w

240 = 6w + 12

228 = 6w

38 = w

Length (L): 2w + 6 = 2(38) + 6 = 76 + 6 = 82

Answer: width = 38 ft, length = 82 ft

8 0

2 years ago

Explain how you know which method you should use to solve a rational equation.

notsponge [240]

Methods to solve rational equation:

Rational equation:

A rational equation is an equation containing at least one rational expression.

Method 1:

The method for solving rational equations is to rewrite the rational expressions in terms of a common denominator. Then, since we know the numerators are equal, we can solve for the variable.

For example,

$\frac{1}{2}=\frac{x}{2}\Rightarrow x=1$

This can be used for rational equations with polynomials too.

For example,

$\frac{1+x}{x-3}=\frac{4}{x-3}\Rightarrow(1+x)=4 \Rightarrow x=3$

When the terms in a rational equation have unlike denominators, solving the equation will be as follows

$\frac{x+2}{8}=\frac{3}{4}$

$\Rightarrow\frac{x+2}{1}=\frac{3\times8}{4}\Rightarrow{x+2}=2\times3$

$\Rightarrow{x+2}=6\Rightarrow x=6-2\Rightarrow x=4$

Method 2:

Another way of solving the above equation is by finding least common denominator (LCD)

$\frac{x+2}{8}=\frac{3}{4}$

Factors of 4: $1\times2\times2$

Factors of 8: $1\times2\times2\times2$

The LCD of 4 and 8 is 8. So, we have to make the right hand side denominator as 8. This is done by the following step,

$\Rightarrow\frac{x+2}{8}=\frac{3}{4}\times{2}{2}$

we get,

$\Rightarrow\frac{x+2}{8}=\frac{6}{8}$

On cancelling 8 on both sides we get,

$\Rightarrow(x+2)=6\rightarrow x=6-2\rightarrow x=4$

Hence, these are the ways to solve a rational equation.

7 0

3 years ago

Solve. 3t < –15 (1 point) t < –5 t > –5 t < –45 t > –45

Kipish [7]

I hope this helps you

3t÷3 < -15÷3

t < -5

8 0

3 years ago