3 years ago

Factor the expression using the common factor −7 .

Mathematics

2 answers:

xz_007 [3.2K]3 years ago

6 0

This one is hard because im doing the same thing in school rn so yea

Sergeu [11.5K]3 years ago

4 0

The answer is
-140x + 210y -49
10

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Bob & Edith's Diner always has two types of pie on the dessert menu. Bob and

Delvig [45]

Answer: B&E

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4 years ago

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Applying properties to write equivalent expressions for 2x+5y+5(2x+5y)

levacccp [35]

Solving expression $2x+5y+5(2x+5y)$ we get $12x+30y$

Step-by-step explanation:

We need to solve the expression:

$2x+5y+5(2x+5y)$

Solving:

Multiplying 5 with terms inside the bracket:

$2x+5y+5(2x+5y)\\=2x+5y+10x+25y\\Combining\,\,like\,\,terms:\\=2x+10x+5y+25y\\=12x+30y$

So, Solving expression $2x+5y+5(2x+5y)$ we get $12x+30y$

Keywords: Solving Expressions

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3 years ago

Evaluate. 1. for x=-3 and y=2

Sveta_85 [38]

<h3>Given:</h3>

X = - 3

Y = 2

2^ x^ y^

=2^ (-3)^ (2)^

= (-6)^(2)

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3 years ago

How is the product of 4 and 2 shown using integer tiles?

Alex

+ + + + + +
4 is positive or + and so is 2
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3 years ago

Solve the decay equation y' = -ky using the integrating factors method. Show work

Alex777 [14]

Answer:

$y=\frac{c}{e^{kx}}$

Step-by-step explanation:

$\frac{\mathrm{d} y}{\mathrm{d} x} =-ky$

$\frac{\mathrm{d} y}{\mathrm{d} x} +ky=0$

comparing with equation

$\frac{\mathrm{d} y}{\mathrm{d} x} + Py=Q(x)$

$I.F.= e^{\int P dx}$

$I.F.= e^{\int k dx}$

$I.F.= e^{kx}$

$y=\frac{1}{I.F.} ( \int {Q(x)} dx +c)$

$y=\frac{1}{e^{kx}} ( \int {0} dx +c)$

$y=\frac{c}{e^{kx}}$

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4 years ago