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4 years ago

13

Four friends play a game. Their final point counts are recorded in a table.

1 answer:

Tomtit [17]4 years ago

3 0

A and B are true

c. difference between -9 and 1 is 10

d.Nelia had the lowest with -9

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What is 1 and 1/2% of 400?

aniked [119]

$\bf {{ a}}\%\ of\ b \implies \cfrac{{{ a}}}{100}\cdot b\implies {{ a}}\div 100\cdot b\\\\
-----------------------------\\\\
thus
\\\\

\begin{cases}
{{ 1}}\%\ of\ 400 \implies \cfrac{{{ 1}}}{100}\cdot 400\implies {{1}}\div 100\cdot 400\\
--------------\\
{{ \frac{1}{2}}}\%\ of\ 400 \implies \cfrac{{{ \frac{1}{2}}}}{100}\cdot 400\implies {{\frac{1}{2}}}\div 100\cdot 400
\end{cases}$

you tell us

3 0

3 years ago

translate the following situation into an inequality statement . Lily has $25 to spend on a charm bracelet for her sisters birth

Solnce55 [7]

Answer:

$12x+1.50y \leq 25$

Step-by-step explanation:

Let

x ----> the number of bracelet

y ----> the number of charm

we know that

The inequality that represent this situation is

$12x+1.50y \leq 25$

8 0

3 years ago

The fraction a/b is in simplest terms and equal to the following:((2020^3)-1)/((2021^3)+1) . What is a + b?

blagie [28]

Consider the expression

$\dfrac{x^3-1}{(x+1)^3+1}$

Factorize the numerator and denominator a difference/sum of cubes:

$\dfrac{(x-1)(x^2+x+1)}{((x+1)+1)((x+1)^2-(x+1)+1)}$

Expand the denominator:

$\dfrac{(x-1)(x^2+x+1)}{(x+2)((x^2+2x+1)-(x+1)+1)}=\dfrac{(x-1)(x^2+x+1)}{(x+2)(x^2+x+1)}=\dfrac{x-1}{x+2}$

since <em>x</em> = 2020, and clearly 2020² + 2020 + 1 ≠ 0, so we can cancel the factor of <em>x</em> ² + <em>x</em> + 1. This leaves us with

$\dfrac{2020^3-1}{2021^3+1} = \dfrac{2020-1}{2020+2} = \dfrac{2019}{2022}=\dfrac{673}{674}=\dfrac ab$

so that <em>a</em> + <em>b</em> = 673 + 674 = 1347.

7 0

3 years ago

More help please. I really would appreciate it!!<br> :)

NARA [144]

Okay i will help what’s the question

6 0

3 years ago

Solve for 2.<br> 25<br> 10<br> 7y - 1<br> 22

Digiron [165]

Answer:

an you give it to me in another way plz

Step-by-step explanation:

8 0

3 years ago