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Alina [70]
3 years ago
12

I need help on finding out this answer i am really confused so plz help me

Mathematics
2 answers:
horsena [70]3 years ago
7 0
You can drop the parentheses around 4 - 5y.  (4 - 5y) is the same as 4 - 5y.

But you must expand (multiply out) -2(3.5y - 8).  The result is
        -7y + 16      Here we are applying the Distributive Property of                                                  Multiplication.

Now combine 4 - 5y and - 7y + 16.  Result:   -12y + 20 (answer)

If you need clarification here, please ask!
scoundrel [369]3 years ago
5 0
(4 - 5y) - 2(3.5y - 8)

first distribute

(4- 5y) - 7y + 16

Then simplify
-12y + 20

Then simplify

4(-3y + 5)

hope this helps
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What is the slope of the line show below?
stellarik [79]

Algebra form: y1 - y2, and x1 - x2.

( 2 - 1 ) ( 6 - 3 ).

= 1/3.

slope = 1/3.

6 0
4 years ago
PLEASE HELP ME!!! 5 POINTS!!!
umka2103 [35]

Answer:

B. Scales, fins, and gills

Step-by-step explanation:

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4 0
3 years ago
What is the nth term of this sequence 7, 9, 11, 13
Alexus [3.1K]

Answer:

The nth term of the sequence is

<h2>5 + 2n</h2>

Step-by-step explanation:

The sequence above is an arithmetic sequence

For an nth term in an arithmetic sequence

A(n) = a + ( n - 1)d

where a is the first term

n is the number of terms

d is the common difference

From the question

a = 7

d = 9 - 7 = 2 or 11 - 9 = 2

So the nth term for the sequence is

A(n) = 7 + ( n - 1)2

= 7 + 2n - 2

<h3>A(n) = 5 + 2n</h3>

Hope this helps you

5 0
3 years ago
Read 2 more answers
A scale on a hiking map shows that 3 inches represents 1.25 miles. What number of inches on the map represent 10 actual miles?
scoundrel [369]

Answer:

24 number of inches on the map represent 10 actual miles

7 0
2 years ago
Write the quadratic equation in general form and then choose the value of "b." (2x - 1)(x + 5) = 0
Snezhnost [94]
General form is ax^2+bx+c, and to get there we need to factor using FOIL (First Outside Inside Last)
(2x-1)(x+5)
F (2x × x)= 2x^2
O (2x × 5) 10x
I (-1 × x) -x
L (-1 × 5) -5
now add them together
2x^2+10x-x-5
2×^2+9x-5
and because the equation is in the form
ax^2+bx+c b is equal to 9
5 0
3 years ago
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