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artcher [175]
3 years ago
8

Y - 0.8x = 0.5 5y - 2.5 = 4x *Substitution

Mathematics
2 answers:
murzikaleks [220]3 years ago
4 0

Answer:

y =1.6 x

Step-by-step explanation:

hope this is right!!!

arlik [135]3 years ago
3 0

Answer:

y=0.5+0.8x

Step-by-step explanation:

solve for the first variable in one of the equations and then substitute the result into the other equation

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|b|+b^3;b=-2 evaluate the expression
saveliy_v [14]

Answer:

-6

Step-by-step explanation:

| - 2|  = 2 \\  {( - 2)}^{3}  = ( - 2)( - 2)( - 2) = ( - 8) \\  \\  | - 2 |  +  {( - 2)}^{3 }  = 2 - 8 =  - 6

5 0
3 years ago
Determine the median of the data<br> 2,3,3, 4, 5, 7, 9
svp [43]

Step-by-step explanation:

Median means the middle number

number already order

Median is 4 as there are 3 numbers to left and right

6 0
3 years ago
Read 2 more answers
Craig saved $10,950 in a year. He saved $75 more than what he saved the previous
Dmitry [639]

Answer: $10,875

Step 1: Subtract.

10,950 - 75 = 10,875.

Step 2: Add a dollar sign.

$10,875

Hope this helps!

7 0
3 years ago
Read 2 more answers
The local Red Cross had a goal of people donating 1000 pints of blood. Each person can usually give 1 pint. What percent of the
BARSIC [14]

Answer:

B

Step-by-Step Explanation:

if you do a <u>Percent Proportion</u> you will get:

_1__    =     _0.1_                       0.1x10=1

1000           100

3 0
4 years ago
Y= (x-9) (x+3)
juin [17]

Answer:

y = x² − 6x − 27

Step-by-step explanation:

To distribute, you can use something called FOIL.  It stands for First, Outer, Inner, Last.

First, multiply the First term in each factor.

x · x = x²

Now multiply the Outer terms in each factor.

x · 3 = 3x

Next multiply the Inner terms in each factor.

-9 · x = -9x

Finally, multiply the Last terms in each factor.

-9 · 3 = -27

Add them all up:

x² + 3x − 9x − 27

x² − 6x − 27

4 0
3 years ago
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