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3 years ago

What is the value of the expression-2(-3+-1)

Mathematics

2 answers:

dusya [7]3 years ago

8 0

Answer:

-8

Step-by-step explanation:

<h2><u>Finding the value of an expression</u></h2>

<h3><em><u>make use of the BODMAS rule</u></em></h3>

B- brackets

O - of

D- division

M- multiplication

A-addition

S- subtraction

<h3>solve what is in brackets first . </h3>

this is :

-3 + -1

= -4

<h3>now multiply by the value outside he brackets</h3>

-4 * 2

=<u> -8</u>

<u>the value of the expression is -8 </u>

Deffense [45]3 years ago

3 0

Answer:

-4

Step-by-step explanation:

2(-3+1)

Distribute: -6 - (-2)

Answer: -4

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Rewrite the fraction pairs with common denominators

Nataliya [291]

Answer:

a) $\frac{3}{20}$ and $\frac{16}{20}$ = $\frac{19}{20}$

b) $\frac{8}{21}$ and $\frac{18}{21}$ = $1\frac{5}{21}$

c) $\frac{18}{72}$ and $\frac{32}{72}$ = $\frac{25}{36}$

Step-by-step explanation:

a) $\frac{3}{20}$ and $\frac{4}{5}$

$\frac{4}{5}$ x 4 = $\frac{16}{20}$

$\frac{3}{20}$ and $\frac{16}{20}$ = $\frac{19}{20}$

b) $\frac{8}{21}$ and $\frac{6}{7}$

$\frac{6}{7}$ x 3 = $\frac{18}{21}$

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c) $\frac{2}{8}$ and $\frac{4}{9}$

$\frac{2}{8}$ x 9 = $\frac{18}{72}$

$\frac{4}{9}$ x 8 = $\frac{32}{72}$

$\frac{18}{72}$ and $\frac{32}{72}$ = $\frac{25}{36}$

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3 years ago

What is the first step in the following equation?<br> 28 = -12 - 4x

zmey [24]

Answer:

$4x = - 12 - 28 \\ 4x = - 40 \\ x = - 10$

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2 years ago

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3 years ago

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Viefleur [7K]

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3 years ago

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Reptile [31]

Answer:

$\huge\boxed{\sf Area \ of \ Circle = 394.13 \ cm^2}$

Step-by-step explanation:

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Hope this helped!

~AnonymousHelper1807

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3 years ago