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Anton [14]
3 years ago
6

Help help help help help help help help

Mathematics
1 answer:
Alex787 [66]3 years ago
4 0

Answer:

x^{2} +5x

Step-by-step explanation:

A = length x width

l = x + 5

w = x

A = x(x + 5)

A=x^{2} +5x

You might be interested in
What is the value of (3/10)3
Elenna [48]

Answer:

\frac{9}{10}

Step-by-step explanation:

In this question, one is asked to multiply a fraction by a whole number, first model the question.

\frac{3}{10}(3)

In a situation like this, one multiplies the whole number by the numerator (number) over the fraction.

\frac{3*3}{10}

Simplify,

\frac{9}{10}

A common error that people make is that they will multiply both the numerator and denominator by the whole number, this is the same as multiplying the answer by (1), thus it is incorrect.

6 0
3 years ago
Why is it important to aline the decimal points before doing anything else
Scrat [10]
Because you can add/subtract the wrong numbers/place values
6 0
3 years ago
How do you set the problem?
Minchanka [31]
180 - ( 10x -3) is your answer

8 0
3 years ago
HELPPPPPPPPPPPPPPP RATE 5 STARSS
Stels [109]

Answer:

13. c,

14. a.

Step-by-step explanation:

13.  The length of a side PQ with coordinates of

      P as (x,y)  and Q as (w,z)

       is: \sqrt{(x-w)^{2} +(y-z)^{2} }

  • so, the length of the side AB =

\sqrt{(5-5)^{2}+(-2+7)^{2}  } =\sqrt{0^{2}+5^{2}  } =5

  • the length of side BC =

\sqrt{(5-1)^{2}+(-7+2)^{2}  } =\sqrt{(4)^{2}+(-5)^{2}  } =\sqrt{4^{2}+5^{2}  }

  • the length of side AC=

\sqrt{(5-1)^{2} +(-2+2)^{2} } =\sqrt{4^{2} } =4

now, the easiest one will be when the vertices are on the coordinate axes.

  • so, option c will be the most appropriate one.

14. If u see the figure clearly, the lines l and FH are parallel.

the parallel postulate, i.e, the alternate interior angles will always be congruent.

  • here, the alternate interior angles are angle1 and angle4.
  • therefore to prove this step, he used parallel postulate as a reason.
  • so, the correct option is "a"

7 0
4 years ago
Please answer the question because I don’t understand can you answer please!,,
Minchanka [31]

Answer:y= 2x+7


Step-by-step explanation:

They are all pretty much want you to create the equation so the formula they want is y=mx+b format.


First problem(1,9) slope 2


Y=mx +b


Where y is 9,x is 1 and slope (m) is 2.


Now solve for b using equation


Y=mx +b

9= 2(1)+b

9=2+b

9-2=b

7=b


Now you can create equation


Y= 2x+7


Prob.4


(3,-6) and (-1,2)


First find slope


M= y2-y1/x2-x1

M= 2-(-6)/-1-3

M = 8/-4


M= -2


Your slope "m" is -2


Now do as problem 1 get one of the points and your slope to get equation .


(3,-6) slope -2

Y=mx+b

-6= -2(3)+b

-6= -6+b

-6+6=b

0=b


Y= -2x


Problem 7


(5,13) (10,14)


You solve this one as problem 4 same steps that I did above .


Problem 8 is also the same as steps in problem 4


( 2,160) and ( 2.75,220)


I hope this helps you

5 0
4 years ago
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