3 years ago

How much is 1/4 of 1/3 of a chocolate cake

Mathematics

1 answer:

hoa [83]3 years ago

7 0

1/3 ÷1/4 = 1/3 × 1/4 = 1/12

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Evaluate the expression: –(31 + 2) + 72 – (–5)2.

Rudiy27

Answer:

Step-by-step explanation:

Order of operations rules require that we do any work inside parentheses first. Thus,

–(31 + 2) + 72 – (–5)^2

becomes:

-33 + 72 - 25, or

Important: Please use " ^ " to denote exponentiation; (-5)2 is incorrect, whereas (-5)^2 or (-5)² is correct.

4 0

3 years ago

A letter to europe from the united states costs $0.80 to mail. a letter mailed within the united states cost $0.37. nancy mails

densk [106]

She only sen 2 to Europe.

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3 years ago

Find the measure of

yaroslaw [1]

Answer:

∠ HGL = 73°

Step-by-step explanation:

KL is a midsegment of the triangle and is parallel to HG, then

∠ KLJ = ∠ HGL ( corresponding angles ), so

9x - 62 = 5x - 2 ( subtract 5x from both sides )

4x - 62 = - 2 ( add 62 to both sides )

4x = 60 ( divide both sides by 4 )

x = 15

Thus

∠ HGL = 5x - 2 = 5(15) - 2 = 75 - 2 = 73°

4 0

3 years ago

27n⁵+75n³ (Factor completely)

dimaraw [331]

Answer:

3n^2 (9+25n)

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Convert the angle \theta=\dfrac{8\pi}{9}θ=

Olegator [25]

Answer:

160°

Step-by-step explanation:

-Given the angle in radians as $\theta=\dfrac{8\pi}{9}\ rad$

-We know that $1 \ rad=\frac{180}{\pi}\textdegree$

-Let our angle theta be X

#We therefore equate and cross multiply:

$1\ rad=\frac{180}{\pi}\\\\\frac{8\pi}{9}=x\\\\\therefore X=\frac{180}{\pi}\times \frac{8\pi}{9}\\\\=160\textdegree$

Hence, angle θ is 160°

8 0

3 years ago