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avanturin [10]
3 years ago
14

7 copies of the sum of 8 fifths and 4

Mathematics
1 answer:
Agata [3.3K]3 years ago
4 0

Answer:

  • 39 1/5 or 39.2

Step-by-step explanation:

<u>Sum of 8 fifths and 4:</u>

  • 8/5 + 4 =
  • 1 3/5 + 4 =
  • 5 3/5

<u>7 copies of the of sum of 8 fifths and 4:</u>

  • 7 × 5 3/5 =
  • 7( 5 + 3/5) =
  • 35 + 7(3/5) =
  • 35 + 21/5 =
  • 35 + 4 1/5 =
  • 39 1/5 or 39.2
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Kenneth Drew a scale drawing of an apartment the scale of the drawing was 2 meters:1 meter the living room is 6 m long in real l
atroni [7]

Answer:

3 meters

Step-by-step explanation:

Given the scale drawing :

2m : 1m

Length of living room in real life = 6 m long

2 meter = 1 meter

Real life = scale drawing

If length = 6 meter long ;

using cross multiplication :

2 meter = 1 meter

6 meter = x

2x = 6

x = 6/2

x = 3 meter

Length of living room in drawing = 3 meters

3 0
3 years ago
Simplify x^2 -x-6/4x^3 * 2x^2 +2x/x^2+5x+6 And PLS show work.
Sedbober [7]

To solve this problem you must apply the proccedure shown below:

1. You have the following expression given in the problem above:

( \frac{x^{2}-x-6}{4x^{3}}) (\frac{x^{2}+2x}{x^{2}+5x+6} )

2. First, you must factor the polynomials in the numerator and in the denominator and then simplify the expression:

(\frac{(x-3)(x+2)}{4x^{3}} ) (\frac{2x(x+1)}{(x+3)(x+2)})=\frac{(x-3)(x+1)}{2x^{2}(x+3)(x+2)}

The answer is: \frac{(x-3)(x+1)}{2x^{2}(x+3)(x+2)}

3 0
3 years ago
What is the sum of the first 4 terms of the arithmetic
liraira [26]
a_6=8;\ a_{10}=13\\\\a_{10}-a_6=4r\\\\4r=13-8\\4r=5\ \ \ \ /:4\\r=1.25\\\\a_1=a_6-5r\\a_1=8-5\cdot1.25=8-6.25=1.75\\\\S_4=\frac{2a_1+(4-1)r}{2}\cdot4=(2a_1+3r)\cdot2=4a_1+6r\\\\S_4=4\cdot1.75+6\cdot1.25=7+7.5=14.5
8 0
3 years ago
X&lt;7, x=6<br> True or false<br><br> Help please
slamgirl [31]

Answer:

true

Step-by-step explanation:

if we say x is less than 7 and x is equal to 6 it makes sense that 6 is less than 7

4 0
3 years ago
Read 2 more answers
Please help solve, Thank you. - Which expression is equivalent to t + 4 +3 - 2t?
OverLord2011 [107]
<h3>Answer: Choice B)  -t+7</h3>

Explanation

The like terms are ones that have the same variable in them, or that dont have a variable at all attached. One pair of like terms is t and -2t, which combine to t+(-2t) = t-2t = -t

The other pair of like terms are 4 and 3 which add to 7

So t+4+3-2t simplifies fully to -t+7, which is the same as 7+(-t) = 7-t

We cannot simplify any further from here as the 7 and -t are not like terms.

6 0
3 years ago
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