4 years ago

Is 4x a mathematical sentence ?

Mathematics

2 answers:

Sindrei [870]4 years ago

4 0

Answer : 4x is a mathematical sentence because it is posititive and you would multiply

Step-by-step explanation:

Misha Larkins [42]4 years ago

4 0

Answer: yes, 4x means 4 times a number

Step-by-step explanation:

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\tan \left(18\right)=\frac{x}{20}

noname [10]

Answer:

x ≈ 6.5

Step-by-step explanation:

We have the epresion $tan(18)=\frac{x}{20}$ and we want to find the value of $x$ .

Let's do it step-by-step

Step 1. Multiply both sides of the equation by 20

$tan(18)=\frac{x}{20}$

$20tan(18)=(\frac{x}{20} )(20)$

$20tan(18)=x$

Step 2. use the reflexive property of equality: if $a=b$ then $b=a$

$20tan(18)=x$

$x=20tan(18)$

Step 3. Using a calculator we get that $tan(18)=0.325$ . Replacing that value we get

$x=20(0.325)$

x ≈ 6.5

We can conclude that the value of x is approximately 6.5

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3 years ago

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GenaCL600 [577]

Answer:

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Step-by-step explanation:

5 0

3 years ago

What is the standard form equation of 4x+7¥=11

yaroslaw [1]

This equation is in standard from unless you mean vertex standard form?

5 0

3 years ago

Does the order of quantities in inequality matter

horrorfan [7]

Hey there

The <span>order of quantities in inequality does not matter. </span>

8 0

3 years ago

<img src="https://tex.z-dn.net/?f=2%20%5Csqrt%7B75%7D%20-%20%5Csqrt%7B108%7D%20%2B%205%20%5Csqrt%7B48%7D" id="TexFormula1" title

mario62 [17]

$\\ \sf\longmapsto 2 \sqrt{75} - \sqrt{108} + 5 \sqrt{48} \\\\ \sf\longmapsto 2 \sqrt{25 \times 3} - \sqrt{36 \times 3} + 5 \sqrt{16 \times 3} \\ \\ \sf\longmapsto 2 \times 5 \sqrt{3} - 6 \sqrt{3} + 5 \times 4 \sqrt{3} \\ \\ \sf\longmapsto 10 \sqrt{3} - 6 \sqrt{3} + 20 \sqrt{3} \\ \\ \sf\longmapsto (10 - 6 + 20) \sqrt{3} \\ \\ \sf\longmapsto 24 \sqrt{3}$

3 0

3 years ago

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