3 years ago

Find the slope of each line. 1) y=− x−5 2) y=− x−1

Mathematics

1 answer:

poizon [28]3 years ago

5 0

1) slope = -1

2) slope = -1

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Someone please help me I got this incorrect & I’m really struggling

Phantasy [73]

(x-5) = 0 or (x+2)=0
so x could be 5 or -2
i guess, u can check it with calculator

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3 years ago

Read 2 more answers

Which expressions are equivalent to 4^-2 times 7^-2

Harlamova29_29 [7]

Step-by-step explanation:

$= {4}^{ - 2} \times {7}^{ - 2}$

$= {(4 \times 7)}^{ - 2}$

$= {28}^{ - 2}$

$= \frac{1}{ {28}^{2} }$

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3 years ago

What is the expanded form of this number?<br><br> 509.307

ioda

92828383939.949494949

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3 years ago

you buy a commemorative coin for $110. Each year t, the value V , of the coin increases by 4 %.Write a model that describes the

emmainna [20.7K]

The answer is $220. 110+4%x

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3 years ago

The width of a rectangle is the length minus 2 units. the area of the rectangle is 35 units

Mariana [72]

Answer:

$Length=7units\\\\Width=5units$

Step-by-step explanation:

Width=(Length-2) units

W=(L-2) units

Area of the rectangle= 35 square units

Area = length* Width

$35= L*(L-2)\\\\35=L^2-2L$

Subtracting 35 both sides:

$L^2-2L-35=0$

Solving the quadratic equation for 'L' ;

Using factorization:

$L^2+5L-7L-35=0$

Taking common from the equation :

$L(L+5)-7(L+5)=0\\\\(L+5)(L-7)=0\\\\L+5=0\\\\L=-5$

$L-7=0\\\\L=7$

The length cannot be negative, therefore Length(L)= 7

$Width=Length-2\\\\=7-2\\\\=5 units$

$Length=7units\\\\Width=5units$

8 0

3 years ago