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DiKsa [7]
3 years ago
11

Write this number in standard form.

Mathematics
1 answer:
Temka [501]3 years ago
5 0

Answer:

(7 x 100) + (4 x 100 ) + (8 x 1,000)

=700+400+8000

=1100+8000

<h3><em><u>=</u></em><em><u>9100</u></em></h3><h3>9100 is the right answer.</h3>
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A concave octagon<br> B convex quadrilateral <br> C concave quadrilateral <br> D convex octagon
balu736 [363]

Answer: concave

Step-by-step explanation:

4 0
3 years ago
Bryce tried to solve an equation step by step. \qquad\begin{aligned} \dfrac83&amp;=3\left(c+\dfrac53\right)\\\\ \\ \dfrac83&amp;
sesenic [268]

Answer:

Bryce is wrong in step 1 because he did not distribute 3 over 5/3

Explanation

Given the steps taken by bryce as shown, we are to find where he made an error

\qquad\begin{aligned} \dfrac83&=3\left(c+\dfrac53\right)\\\\ \\ \dfrac83&=3c+\dfrac53&\green{\text{Step } 1}\\\\ \\ 1&=3c&\blue{\text{Step } 2}\\\\ \\ \dfrac13&=c&\purple{\text{Step } 3}\\\\ \end{aligned}

Given the expression;

\dfrac83&=3\left(c+\dfrac53\right)\\\\ \\

Step 1:Expand the bracket using the distributive law;

8/3 = 3c + 3(5/3)

<em>Simplify</em>

8/3 = 3c + 15/3

Step 2: Subtract 15/3 from both sides

8/3 - 15/3 = 3c+15/3-15/3

(8-15)/3 = 3c

-7/3 = 3c

Step 3: Multiply both sides by 1/3

-7/3 * 1/3 = 3c * 1/3

-7/9 = c

Swap

c = -7/9

From the calculation, we can see that Bryce is wrong in step 1 because he did not distribute 3 over 5/3 thereby making his solution incorrect

3 0
3 years ago
/<img src="https://tex.z-dn.net/?f=%5Cfrac%7Bx-9%7D%7B15%7D%20%3D%5Cfrac%7B2x-9%7D%7B10%5C%5C%7D" id="TexFormula1" title="\frac{
motikmotik

Step-by-step explanation:

\frac{x - 9}{15}  =  \frac{2x - 9}{10}  \\

\frac{x - 9}{3}  =  \frac{2x - 9}{2}  \\

2( x - 9) = 3(2x - 9) \\

2x - 18 = 6x - 27

27 - 18 = 6x - 2x

9 = 4x

x =  \frac{9}{4} \\

5 0
2 years ago
Lines/and n intersect, as shown below.
Inessa05 [86]

Answer:

.................. ........

5 0
3 years ago
Two simple questions
frutty [35]
Oh i love these x=4,y=9
3 0
3 years ago
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