3 years ago

Choose like terms: 3x, y, 2x

Mathematics

1 answer:

Tresset [83]3 years ago

4 0

3x and 2x are alike terms, as they have the same variable

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Please help!!<br> What is the measure of angels DEF and angles DEG?

Novay_Z [31]

47+ 30 is 77 so def is 77 and 103 is deg. and

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3 years ago

A librarian arranged some books on the shelf using the Dewey decimal system. Choose the group of book numbers that

vovangra [49]

Answer:

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Step-by-step explanation:

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3 years ago

If 7x+3=24 what is the value of 5-4x?

sleet_krkn [62]

If 7x+3=24, that means x would be 3 so if you take 5-4x then that would be -7.

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4 years ago

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What is h(x)=7+10x+x^2 written in vertex form?

Morgarella [4.7K]

Answer:

h(x) = (x + 5)² - 18

Step-by-step explanation:

Given

h(x) = 7 + 10x + x² = x² + 10x + 7

To obtain vertex form, use the method of completing the square

add/ subtract ( half the coefficient of the x- term )² to x² + 10x

h(x) = x² + 2(5)x + 25 - 25 + 7

= (x + 5)² - 18 ← in vertex form

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4 years ago

Solve for x. Round your answer to the nearest hundredth.

Zarrin [17]

Answer:

Option B is correct

Step-by-step explanation:

2x² - 6x + 3 = 0

Using Quadratic formula:

x = $\frac{-b+-\sqrt{b^{2}-4ac}}{2a}$

a = 2, b = -6, c = 3

x = $\frac-(-6)+-{\sqrt{(-6)^{2}-4(2)(3)}}{2(2)}$

x = $\frac{-(-6)+-\sqrt{(-6)^{2}-4(2)(3)}}{2(2)}\\$

$=\frac{6+-\sqrt{36-24}}{4}\\\\=\frac{6+-\sqrt{12}}{4}\\\\=\frac{6+-3.46}{4}\\\\$

$=\frac{6+3.46}{4}$

x = 2.37

$=\frac{6-3.46}{4}$

x = 0.63

5 0

3 years ago

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