3 years ago

Evaluate the expression when y = -2 and z = -5. Show your work

1 answer:

3 0

10(-2)^2/-5
The solution to this would equal to -8

:) You are using substitution which is putting the number as the variable or the letter.

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Write an expression for the following situation and solve. Mr. Simms bought 20 pencils. He used 1/4 of the pencils and then gave

Aleonysh [2.5K]

Hi!
1/4 of 20 pencils are 5 pencils.
Since he gave away 4 pencils,
Total = 5 + 4 = 9
Mr. Simms use and give away total 9 pencils.

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3 years ago

Mr. McKay spent $2.60 for a box of crackers and then divided them evenly between the s students in his classroom, Write an expre

notka56 [123]

Answer:

You would go $2.60/s

Step-by-step explanation:

then when you have your total number of students you take the total cost and divide that by the number of students that you have to figure out the cost of crackers for each student

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3 years ago

PLZ HURRY How many solutions does this system have? y = 3 x minus 5. y = negative x + 4.

Anarel [89]

Answer:

one is correct.

Step-by-step explanation:

because it have one solution when you graph it

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3 years ago

Read 2 more answers

What is the simplified value of the expression below? StartFraction 4 (negative 8 + 4.5) over 6.25 + (negative 8.25) EndFraction

Annette [7]

Answer: -10.49.

Step-by-step explanation:

Using order of operations PEMDAS:

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= -14/6.25 - 8.25

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2 years ago

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Danna is baking pies. each pies uses 1/4 cup of sugar. Janna has 13/4 cups of sugar how many pies can she bake

sergey [27]

Answer:

13 pies

Step-by-step explanation:

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2 years ago