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bixtya [17]
3 years ago
10

Plsss i need answer for this​

Mathematics
1 answer:
Rashid [163]3 years ago
6 0

Step-by-step explanation:

1. 5 divided 4 times of a number n.

2. 3 subtracted by a number B gives 13.

3. 39 added by a number m divided by 7. (not sure)

4. m divided by 90 gives 15.

5. 32 subtracted by two times of a number N.

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sandra has 4 math test this marking period. she recieved 90%, 87%. and 92% on the first three. what is the minimum score she nee
Butoxors [25]

She would need to get a 90% or more.

6 0
2 years ago
The problem is in the picture :)
frozen [14]

Answer:

Last option: 4

Step-by-step explanation:

The quadratic equation simplified: x^2-4x=-\frac{7}{2} has the form:

ax^2+bx=c

In this case, you can identify that "a", "b" and "c" are:

a=1\\b=-4\\c=-\frac{7}{2}

To solve this quadratic equation  by completing the square, Carlos should add (\frac{b}{2})^2 to both sides of the equation. This is:

(\frac{-4}{2})^2=(-2)^2=4

Then:

x^2-4x+4=-\frac{7}{2}+4

Therefore you can observe that the number he should add to both sides of the equation is: 4

8 0
3 years ago
How many solution does 2x – 1 = 1 – 2x have?
ss7ja [257]

Answer:

1

Step-by-step explanation:

Hello,

2x – 1 = 1 – 2x

<=> 2x-1+2x=1

<=> 4x-1=1

<=> 4x = 1+1=2

<=> x = 2/4 = 1/2

Then there is only one solution.

Thanks

6 0
3 years ago
Read 2 more answers
If the diagonal path is 750 feet long and the width of the park is 450 feet, what is the length, in feet, of the park?
jarptica [38.1K]

This problem can be looked at like a right triangle, where the hypotenuse is 750 and one leg is 450.  Thus 450^2 + the length of the park^2 = 750 ^2.

202500 + the length of the park^2 = 562500

the length of the park^2 = 360000

the length of the park = 600

Hope it helps <3

8 0
3 years ago
Read 2 more answers
A car travels at an average speed of 52 miles per hour. How many miles does it travel in 5 hours and 45 minutes?
Dimas [21]

Answer:

  299

Step-by-step explanation:

On average, it travels 52 miles in each hour. In 5 3/4 hours, it travels 5 3/4 times 52 miles.

  (5 3/4)(52 miles) = 299 miles

It travels 299 miles in the given time.

4 0
3 years ago
Read 2 more answers
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