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Andru [333]
3 years ago
13

Can you help me please ​

Mathematics
2 answers:
kupik [55]3 years ago
7 0

Answer:

The statement is false for any value of x

Step-by-step explanation:

3x+7=3x+1

7=1 (cancel 3x by both side)

So the statement is false for any value of x

Note:by my knowledge that's all. If you have any doubt. you can go with others

adell [148]3 years ago
6 0

Answer:

0  =  − 6

Step-by-step explanation:

Subtract  7  from both sides of the equation

3 + 7 =3 + 1

3 + 7 =7 = 3 + 1− 7

Simplify

3 = 3 -6

Subtract  3  from both sides of the equation

3 = 3 − 6

3 − 3 = 3 − 6 -3

Simplify

0=-6

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Sam is opening a saving account with $1,500 she got for her birthday. It
Artist 52 [7]

Answer:

9 years

Step-by-step explanation:

Simple interest for any amount p is given by

SI = P*R*T/100

where R is the rate of interest

T is the time period in years

given

P =$1500

R = 4%

T we have to find

SI = $540

Thus, putting the given value in SI = P*R*T/100

540 = 1500*4*T/100

T = 540*100/1500*4 = 9 years

Thus, It will take 9 years for Sam to earn $540

4 0
3 years ago
A hovercraft takes off from a platform. Its height (in meters), xx seconds after takeoff, is modeled by: h(x)=-2x^2+20x+48h(x)=?
tangare [24]

Answer: 5 seconds

<u>Step-by-step explanation:</u>

Maximum height is the y-value of the vertex. The number of seconds at maximum height is the x-value (aka axis of symmetry).

h(x) = -2x² + 20x + 48

      a=-2    b=20   c=48

Axis of symmetry: x = \frac{-b}{2a}

                                 = \frac{-20}{2(-2)}

                                 = \frac{-20}{-4}

                                 = 5

     

8 0
3 years ago
Read 2 more answers
Mr. gomez bought 2 pairs of jeans each costing 45.50, and 1 pair of shoes. he spent a total amount of 132.25,. how much did the
GaryK [48]

Answer:

The answer is $41.25 because the 2 jeans are $91 as a collective plus the supposed $41.25 shoes equals the total amount (assuming no tax) $132.25.


4 0
3 years ago
Read 2 more answers
How do i explain 5×23×2
Zarrin [17]

Answer:

Step-by-step explanation:

Jsjxjxkd jfjfjfel

6 0
3 years ago
Juan tiene cubos azules de 55 mm de arista y cubos rojos de 45 mm de arista. Los apila en dos columnas, una de cada color ; quie
balu736 [363]

the question in English

Juan has blue cubes with a 55 mm edge and red cubes with a 45 mm edge. He stacks them in two columns, one of each color; he wants the two columns to be the same height. How many cubes does he need, as a minimum, of each color?

Let

x---------> the number of blue cubes

y--------> the number of red cubes

we know that

Juan wants that  the two columns to be the same height

so

55x=45y

solve for y

y=\frac{55}{45}x

I proceed to calculate a table, assuming values of x to calculate the value of y. When the values of x and y are whole numbers, I will have found the solution.    

the table in the attached figure

therefore

<u>the answer is</u>

9 blue cubes

11 red cubes

7 0
3 years ago
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