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3 years ago

-30=5(x+1) x=? Solve for X

Mathematics

1 answer:

stellarik [79]3 years ago

7 0

Answer:

=-7

Step-by-step explanation:

-30=5(x+1)

-30=5x+5

-35=5x

= -7

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Hector needs to buy a window shade in his house. He measured the width of the window as 37 inches. The actual measurement is 40

aksik [14]

Answer:

3/40 = 7.5%

Step-by-step explanation:

3/40 percent error.

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3 years ago

21 pointQuadrilateral QRST has diagonals that do NOT bisect each other, are congruent, and are not perpendicular. Which type of

Aleks [24]

Given:

Quadrilateral QRST has diagonals that do NOT bisect each other, are congruent and are not perpendicular.

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1 year ago

Rewrite the proportion 7:21 = 3:9 as a proportion using fractions.

Inessa [10]

Answer:

1/3 ig

Step-by-step explanation:

4 0

3 years ago

Read 2 more answers

The missing term in the denominator is

Margaret [11]

$\frac{7^{16} }{7^{12} }= \frac{7^{16-34} }{7^{12-34} } =\frac{7^{-18} }{7^{-22} } = 2401$

so the missing term in the denominator is 7^(-22)

ok done. Thank to me :>

5 0

2 years ago

How to integrate with steps:<br><br> (4x2-6)/(x+5)(x-2)(3x-1)

joja [24]

$\displaystyle\int\frac{4x^2-6}{(x+5)(x-2)(3x-1)}\,\mathrm dx$

You have a rational expression whose numerator's degree is smaller than the denominator's. This tells you you should consider a partial fraction decomposition. We want to rewrite the integrand in the form

$\dfrac{4x^2-6}{(x+5)(x-2)(3x-1)}=\dfrac a{x+5}+\dfrac b{x-2}+\dfrac c{3x-1}$

$\implies4x^2-6=a(x-2)(3x-1)+b(x+5)(3x-1)+c(x+5)(x-2)$

You can use the "cover-up" method here to easily solve for $a,b,c$ . It involves fixing a value of $x$ to make 2 of the 3 terms on the right side disappear and leaving a simple algebraic equation to solve for the remaining one.