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Alinara [238K]
2 years ago
14

Please help me with this I would give you 50 points.

Mathematics
1 answer:
NNADVOKAT [17]2 years ago
5 0
Melanie has to pay $81.25
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Andre tried to solve the equation 1/4(x+12)=2 what was his mistake?
GarryVolchara [31]

Step-by-step explanation:

1. 1/4(x + 12)=2 - first isolate X'

         - 12 -12

2. 1/4(x) = -10  - 1/4  since its a fraction, you'll have to subtract not divide

-1/4    - 1/4

3. x = -10.25

Andre did the first step correctly, but on the second step he just divided 1.4 by -10, instead of subtract 1/4 from both sides.

8 0
3 years ago
Point B corresponds to which Ordered Pair.. Question 1 options: (2, 6) (−2, 6) (2, −6) (−2, −6)
skad [1K]

where is the chart i cant say with out a chart

put the chart in another question and ill awwnser it because theres not enough information

5 0
3 years ago
Which equation can be used to find the volume of the cylinder?
sergejj [24]

Answer:

V = π × 4² × 16  

Step-by-step explanation:

The formula for the volume of a cylinder is

V = πr²h

Data:

r =   4 in

h = 16 in

Calculation:

V = πr²h = π × 4² × 16

4 0
3 years ago
How do I solve the following system of equations? <br>-5x-3y=7<br>-3x-4y=2​
garri49 [273]

Answer:

(-2, 1)

Step-by-step explanation:

Systems of equations can be solved using different methods.  For this set of systems, you can multiply each equation by a factor in order to eliminate a variable and solve for the other variable:

-3(-5x - 3y = 7)  or 15x + 9y = -21

5(-3x - 4y = 2)  or <u>-15x -20y = 10</u>

                                    -11y = -11

                                        y = 1

Solve for x:  -5x - 3 = 7

Add 3 to both sides:  -5x -3 + 3 = 7 + 3 or -5x = 10

Solve for x: x = -2

(-2, 1)

6 0
3 years ago
Joan has 1/2 yard of felt. She will use 1/3 of it to make place cards. How much felt will she will use for place cards?
-Dominant- [34]
ANSWER


\frac{1}{6}  \: yards

EXPLANATION

It was given that, Joan has


\frac{1}{2} \:  yard \: of \: felt

and she will use

\frac{1}{3}
of it to make place cards.


We want to find how felt she will use for place cards.


We just have to find,

=  \frac{1}{3}  \: of \:  \frac{1}{2}



=  \frac{1}{3}  \times  \frac{1}{2}


=  \frac{1}{6}

Therefore Joan will use

\frac{1}{6}


yards of felt for the place cards.
7 0
3 years ago
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