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scZoUnD [109]
3 years ago
12

Write the equation in standard form. 8−5y=−2x

Mathematics
1 answer:
velikii [3]3 years ago
8 0

Answer:

y = \frac{2}{5}x + 1\frac{3}{5}

Step-by-step explanation:

We have 8 - 5y = -2x

Rearranging gives;

5y = 2x + 8

Dividing through by 5 gives;

y = \frac{2}{5}x + \frac{8}{5}

Simplifying gives;

y = \frac{2}{5}x + 1\frac{3}{5}

This is a standard linear equation form.


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The area (in square centimeters) of a square coaster can be represented by d^2+8d+16 .
Katarina [22]

ANSWER

a. d+4

b. 4d+16

EXPLANATION

The area of the square coaster is represented by:

{d}^{2}  + 8d + 16

We split the middle term to obtain,

{d}^{2}  + 4d + 4d + 16

We factor by grouping to get,

d(d + 4) + 4(d + 4)

(d + 4)(d + 4) =  {(d + 4)}^{2}

Since area of a square is l² , it means the side length of the square is

l = d + 4

b) The perimeter of a square is given by

P=4l

We substitute the length in terms of d, to obtain;

P=4(d + 4)

Or

P=4d + 16

7 0
4 years ago
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What is 1.799 rounded to the nearest whole number nearest tenth and nearest hundred
Usimov [2.4K]
Nearest whole number-2
nearest tenth-1.8
nearedt hundreth-1.80
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4 years ago
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Plot the inequality on the number line. <br><br><br> x ≤ 1 or x&gt;8
Crank

Answer:

See the picture

Step-by-step explanation:

Interval   (-∞, 1] U (8, ∞)

6 0
3 years ago
Find the missing coefficients <br><br><br>y=ax^2-10x+c <br>vertex :(-5,20)
Citrus2011 [14]
Remember, for y=ax^2+bx+c the x value of the vertex is \frac{-b}{2a}

so
given
x value of vertex is -5
and
y=ax^2-10x+c
\frac{-b}{2a}=\frac{-(-10)}{2a}=\frac{10}{2a}=
\frac{5}{a}=-5
multiply both sides by a
5=-5a
divvide both sides by -5
-1=a
a=-1


y=-1x^2-10x+c
comlete the square
remember if we do
y=a(x-h)^2+k (h,k) is the vertex
I know, we can subsitute the known values of te vertex
-5 for h and 20 for k then expand

y=-1(x-(-5))^2+20
y=-1(x+5)^2+20
y=-1(x^2+10x+25)+20
y=-1x^2-10x-25+20
y=-1x^2-10x-5

a=-1
c=-5
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3 years ago
A survey was done to see if people are in favor of or against a new tax referendum. The results separated by gender as well are
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Answer:0.462


Step-by-step explanation:


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