Help me please !!!!!

Mathematics

2 answers:

allochka39001 [22]2 years ago

6 0

Answer:

Step-by-step explanation:

d1i1m1o1n [39]2 years ago

6 0

Answer:

$319.50

Step-by-step explanation:

Equation:

y = 35.5 x

x = # of months

y = total cost ($)

Plug in x = 9 into the equation

y = 35.5 (9)

y = 319.50

Answer

Missing value : $319.50

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stellarik [79]

So, to factor out the equation x²+12x+35, first multiply the first and last numbers.
1×35=35
So, you need to find the multiples of 35 that add up to 12.
So, you find 7 and 5. These two numbers are the magic numbers that will be used as the correct factored form of x²+12x+35, because:
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2 years ago

Find the value of 7 + 32 (-5 + 1) ÷ 2. A. 25 B. 32 C. -11

kobusy [5.1K]

Answer:

as written, -57
as perhaps intended, C. -11

Step-by-step explanation:

The expression shown evaluates as ...

7 + 32(-5 +1)/2 = 7 +32(-4)/2 = 7 -128/2 = 7 -64 = -57

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If we assume your "32" is supposed to be 3², or 3^2, then the expression evaluates differently:

7 +3²(-5 +1)/2 = 7 + 9(-4)/2 = 7 -36/2 = 7 -18 = -11 . . . . matches choice C

_____

When in doubt, you can have the Google calculator evaluate your expression. However, you do have to write it properly and with all the required parentheses.