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rusak2 [61]
3 years ago
8

Please help!

Mathematics
1 answer:
Xelga [282]3 years ago
7 0

Answer:

x-11

Step-by-step explanation:

Let the number be x

Then we have,

x-11

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Write an equation in slope-intercept form for the line that passes through the points
natta225 [31]

Answer:

y=-2x-7

Step-by-step explanation:

parallel lines have the same slope

our new line so far:

y=-2x+b (b is  a place holder)

subsitute (-4,1) into the equation

1=-2(-4)+b

1=8+b

-7=b

new line:

y=-2x-7

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3 years ago
Bob spends 30 hours in 4 weeks of gardening. How many hours does he garden in 5 weeks
Mademuasel [1]

Answer:

37.5 hrs

Step-by-step explanation:

You do cross multiplication hours on top and weeks on the bottom.

4 0
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What is the value of x in the solution to this system of equations?<br> y = x + 1<br> y = 5x + 13
barxatty [35]

Step-by-step explanation:

y=x+1

y=5x+13

=13x/1

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5 0
3 years ago
Sally has two pieces of fabric that are 128 inches long. She needs to cut each piece of fabric into multiple pieces that are 6 i
Alborosie
42 pieces. Add 128+128=256, then divide that by 6 which is 42.6, and you have 42 pieces (complete pieces, but if it doesn’t ask for complete pieces then your answer is 42.6)
3 0
3 years ago
Factorize : x^2-12x-28+16y-y^2<br>​
bija089 [108]

Answer:

x=14

x=−2

Step-by-step explanation:

  Factoring  x2-12x-28

The first term is,  x2  its coefficient is  1 .

The middle term is,  -12x  its coefficient is  -12 .

The last term, "the constant", is  -28

Step-1 : Multiply the coefficient of the first term by the constant   1 • -28 = -28

Step-2 : Find two factors of  -28  whose sum equals the coefficient of the middle term, which is   -12 .

     -28    +    1    =    -27

     -14    +    2    =    -12    That's it

Step-3 : Rewrite the polynomial splitting the middle term using the two factors found in step 2 above,  -14  and  2

                    x2 - 14x + 2x - 28

Step-4 : Add up the first 2 terms, pulling out like factors :

                   x • (x-14)

             Add up the last 2 terms, pulling out common factors :

                   2 • (x-14)

Step-5 : Add up the four terms of step 4 :

                   (x+2)  •  (x-14)

            Which is the desired factorization

6 0
3 years ago
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