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matrenka [14]
3 years ago
10

What would be the equation for this word problem? Banners at the school store were on sale for $3 off the regular price. Louis b

ought 4 banners on sale and paid a total of $18.
Mathematics
1 answer:
viktelen [127]3 years ago
5 0

Answer:

Step-by-step explanation:

x = Banner price

18 = 4(x-3)

18 = 4x - 12

30 = 4x

x = $7.5

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Last question needed for mastery please help thank you!
liraira [26]
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5 0
3 years ago
Given ABCD is a parallelogram ABE equals 180° CBE is congruent to CEB prove DAE is congruent to CEA
katrin2010 [14]

Answer:

The proved is given below.

Step-by-step explanation:

Given ABCD is a parallelogram and also ∠ABE equals 180°, ∠CBE ≅ ∠CEB

We have to prove that ∠DAE ≅ ∠CEA

As ∠CEA=∠CBE  →  (1)

and given  ABCD is a parallelogram implies AD||CB

∴ ∠DAE=∠CBE  → (2)  as these are corresponding angles.

From equation (1) and (2), we get

∠DAE=∠CEA

Hence,  ∠DAE is congruent to ∠CEA

Hence Proved

6 0
3 years ago
Needd help please and thank you!! It’s 1/E just in case you couldn’t see that! Thx!
Margaret [11]

Answer:

option A

The base is e^-1

Step-by-step explanation:

Given in the question a function, f(x) = (1/e)^{x}

This function can also be write as.

f(x) =(e^{-1})^{x}

by using Negative Exponent Rule

x^{-n}=\frac{1}{x^{n}}

This says that negative exponents in the numerator get moved to the denominator and become positive exponents.

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torisob [31]
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