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Lostsunrise [7]
3 years ago
8

Each student in the fifth grade at Blanton Elementary brought $15 to the book fair. They brought $1,245 all together. How many f

ifth grade students are in Blanton Elementary
Mathematics
2 answers:
9966 [12]3 years ago
4 0

Answer:

83 Fifth graders brought money to the book fair.

Step-by-step explanation:

If you divide $1245 by $15 you will get 83 students. 1,245/15 = 83

natka813 [3]3 years ago
3 0

Answer:

83 students

Step-by-step explanation:

You divide 1,245 and 15 which will give you 83.

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Answer:

Part 1) The equation that can be used is 1.8x-10=-4

Part 2) The input or x-value is x=10/3

Step-by-step explanation:

we have

f(x)=1.8x-10

g(x)=-4

To find the solution of the system of equations equate f(x) and g(x)

f(x)=g(x)

substitute

1.8x-10=-4 -----> equation that can be used  to find the input value at which    f (x ) = g (x )

Solve for x

Adds 10 both sides

1.8x=-4+10

1.8x=6

Divide by 1.8 both sides

x=6/1.8

Remember that

1.8=18/10

substitute

x=6/(18/10)

x=60/18

Simplify

x=10/3

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3 years ago
3x+3/2=x/2-6 maths chapter
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Answer:

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Step-by-step explanation:

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What is the sum of 2/5 and -4/5? <br><br> A) 4/5 <br><br>B) 2/5<br><br>C) 2/5 <br><br>D) 4/5​
Vsevolod [243]

Answer:

-2/5

Step-by-step explanation:

2/5 + -4/5 becomes 2/5-4/5

2/5-4/5= -2/5

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2 years ago
While completing a race, Ned spent 63 minutes walking. If the
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Answer:

therefore ned spent 1 hour and 10 minutes completing the race.

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3 years ago
Solve for y 2x+y-3z=5
Elza [17]

Answer:

<h3>A. y=-2x+3z+25</h3>

Step-by-step explanation:

Isolate the term of x and y from one side of the equation.

<u>To solve:</u>

  • The value of y.

\Longrightarrow: \sf{\sqrt{2x+y-3z}=5}

<h3>2x+y-3z=25</h3>

<u>First, you have to subtract by 2x-3z from both sides.</u>

\Longrightarrow: \sf{2x+y-3z-\left(2x-3z\right)=25-\left(2x-3z\right)}}

<u>Solve.</u>

\Longrightarrow: \boxed{\sf{y=25-2x+3z}}}

  • <u>Therefore, the correct answer is "A. y=-2x+3z+25".</u>

I hope this helps, let me know if you have any questions.

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2 years ago
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