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Hunter-Best [27]
3 years ago
12

10x + 10y = −10 9x + 10y = −18

Mathematics
2 answers:
Anna71 [15]3 years ago
6 0

Answer:

(8,-9)

Step-by-step explanation:

andreev551 [17]3 years ago
5 0

Answer:

Step-by-step explanation:

10x+10y=-10

9x+10y=18

= 10x+10y=-10

-9x-10y=18

= x=8

step two is to find y:

10x+10y=-10

10(8)+10y=-10

80+10y=-10

10y=-90

y=-9

your answer:

(x,y)= (8,-9)

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3 years ago
Find the difference between the result of one sixth of product of 10 and 3 multiplied by 4 and 30
kherson [118]

Answer:

10 or -10,

Read the explanation

Step-by-step explanation:

Rewrite this problem as a numerical expression. As per the wording of this problem, there can be two expressions derived.

1.     ((\frac{1}{6}(10*3)*4)-30

2.     30-((\frac{1}{6}(10*3)*4)

Simplify, remember the order of operations. The order of operations is the sequence by which one is supposed to perform operations in a numerical expression. This order is the following:

1. Parenthesis

2. Exponents

3. Multiplication or division

4. Addition or Subtraction

Use this sequence when simplifying and solving the expression:

Expression 1

((\frac{1}{6}(10*3)*4)-30\\\\=((\frac{1}{6}(30)*4)-30\\\\=(5*4)-30\\\\=20 - 30\\\\= -10

Expression 2

30-((\frac{1}{6}(10*3)*4)\\\\=30-((\frac{1}{6}(30)*4)\\\\=30-(5*4)\\\\= 30-20\\\\= 10

6 0
3 years ago
The residual plot for a data set is shown.
UNO [17]

The true statement about the residual plot is (a) The regression line is a good model because there is no pattern in the residuals.

<h3>How to interpret the residual plot?</h3>

For a residual plot to be considered a good model, the points on the plot must be at random and they must not follow a specific pattern

From the graph, we can see that the points are scattered

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3 0
1 year ago
Plz help me on this
Margarita [4]
$125.4 is the answer to #1
#2 im not sure how the 10% effects the problem. so i cant help you there
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2 years ago
which of the given expressions are equivalent?select all that apply.3z+2z and 5z, {8x-8x}-y and 0,9.1 +4.5a-2.5a and 11.1a,-7y[3
Basile [38]
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6 0
3 years ago
Read 2 more answers
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