4 years ago

Convert: 76.8°F = ________ °C

Mathematics

1 answer:

kirill [66]4 years ago

4 0

It’s 24.88889 Celsius.

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Mary spent $45 at the mall. She bought lunch for $9 . She bought 3 shirts at x dollars

nexus9112 [7]

Answer:

3x + 9 = 45

Step-by-step explanation:

3 shirts at x dollars each cost 3x

lunch costs 9

altogether she spent 3x + 9

she spent 45

3x + 9 = 45

3 0

3 years ago

There are 45 animals at the pet store. 12% are dogs, 24% are cats, 36% are fish, and 28% are other animals. Find the number of a

vivado [14]

Step-by-step explanation:

Dogs: 12% of 45= 5.4

Cats: 24% of 45= 10.8

Fish: 36% of 45= 16.2

Other: 28% of 45= 12.6

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3 years ago

The distributive property combines blank and blank to

dimaraw [331]

The distributive property combines like terms.

6 0

4 years ago

What algebraic expression must be added to the sum of

user100 [1]

Answer:

We need to add the expression: $4x^2-16$

Step-by-step explanation:

As the first step, add the first two polynomials listed in order to find what their sum is. Do such by combining like terms:

$3x^2+4x+8\,+ (2x^2-6x+3) =5x^2-2x+11$

now, you need to find another polynomial (let's call it P(x)) such that added to the one we just found above, will render $9x^2-2x-5$ as a result.

Putting this phrase in mathematical terms, we write:

$5x^2-2x+11\,+ P(x) = 9x^2-2x-5$

Now we solve for this unknown P(x) in this equation, by subtracting each of the terms that are accompanying it on the left side of the equation. We do one at a time for clarity:

$5x^2-2x+11\,+ P(x) = 9x^2-2x-5\\-2x+11+P(x)=9x^2-5x^2-2x-5\\-2x+11+P(x)=4x^2-2x-5\\11+P(x)=4x^2-2x+2x-5\\11+P(x)=4x^2-5\\P(x)=4x^2-5-11\\P(x)=4x^2-16$

Therefore, the expression we need to add is: $4x^2-16$

8 0

4 years ago

Think about how to use the interactive tool to form an expression equivalent to -x+(-3x)+12-9

alukav5142 [94]

Answer:

plz i dont deserve brainlist plz dont give me any but the anwser is 88

Step-by-step explanation:

6 0

3 years ago