3 years ago

Need help with 7 and 9 pls help

Mathematics

1 answer:

Genrish500 [490]3 years ago

4 0

Answer:

<em>The remaining amount on the lunch card is $96 dollars.</em>

Hope this helps!

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If 9a+5b+5c=9 what is -10c-18a-10b?

Rus_ich [418]

9a + 5b + 5c = 9

Multiplying the whole equation by -2.

-18a - 10b - 10c = -18.

Hence, the answer is -18.

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Which of the following must be true about a perpendicular bisector and the segment it bisects? A. The perpendicular bisector and

Law Incorporation [45]

I am a little rusty on this but i believe it is C

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Catron evaluates the expression (negative 9) (2 and two-fifths) using the steps below.

Vlad [161]

Answer:

Catron's error is

"She did not follow order of operations"

Step-by-step explanation:

Catron evaluates the expression (negative 9) (2 and two-fifths)

That expression can be written as below

$(-9)(2\frac{2}{5})$

Catron's error is

"She did not follow order of operations"

The corrected steps are

Step1: Given expression is $(-9)(2\frac{2}{5})$

Step2: Convert mixed fraction into improper fraction

$(-9)(2\frac{2}{5})=(-9)(\frac{12}{5})$

Step3: Multiplying the terms

$(-9)(2\frac{2}{5})=-7\frac{-108}{5}$

Therefore solution $(-9)(2\frac{2}{5})=-7\frac{-108}{5}$

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3 years ago

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Whích best describes the range of the function f(x) = } 6)* after it has been reflected over the x-axis?

soldier1979 [14.2K]

Answer: The third One

Step-by-step explanation:

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3 years ago

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Give brainlest on time limit pls help

inysia [295]

Answer:

336 sq un

Step-by-step explanation:

The area of a rhombus is pq/2 where p and q are the diagonals.

you have:

p = 12 + 12 = 24

q = 18 + 10 = 28

so the formula would be:

24 * 28 / 2 = 336 sq un

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3 years ago