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zmey [24]
3 years ago
10

Y=x-2 y=3x+5 solve the simultaneous equations

Mathematics
2 answers:
nika2105 [10]3 years ago
8 0

Answer:

x = -17/2

y= -13/2

Step-by-step explanation:

look at the photo

DENIUS [597]3 years ago
3 0

hope this helps you........

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Consider the expression: (x + 3)•(y + 1)•(x + 2)
emmainna [20.7K]

Answer:

Step-by-step explanation:

First we multiply x through (y+1). This equals xy +x.

Second we take 3 through (y+1). This equals 3y+3.

Next we take xy + x through (x+2). This equals 2x squared, y + 2x squared.

Fourth we take 3y+3 through (x+2). This equals 6xy + 6x.

5 0
3 years ago
Graph each line using intercepts 1/4 x + 2y =2
Leno4ka [110]

The given equation is,

\frac{1}{4}x+2y=2

It can be rewritten in the form of y=mx+c, where c is the y intercept.

Hence,

\begin{gathered} 2y=-\frac{1}{4}x+2 \\ y=\frac{-1}{4\times2}x+\frac{2}{2} \\ y=\frac{-1}{8}x+1 \end{gathered}

Put different values for x and find value of y.

When x=0, y=1.

When x=1,

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The graph is,

5 0
10 months ago
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olya-2409 [2.1K]
Formula: Circumference = πD

Given that diameter = 42,
 
    ⇒ Circumference = π (42) = 132 ft


Answer: 132 ft
7 0
3 years ago
Fill in the blank. increasing the side length of a cube by a factor of 3 increases the volume by a factor of ___________.
german
We have that
scale factor=3

we know that
[volume new cube]=[scale factor]³*[volume original cube]
[volume new cube]=[3]³*[volume original cube]-----> 27*[volume original cube]

the answer is
 <span>the volume increases  by a factor of 27</span>
6 0
3 years ago
Question 7 of 10 What is the sum of the first five terms of a geometric series with a1 = 10 and r = 1/5?​
enot [183]

Answer:

12.496

Step-by-step explanation:

\text{Sum}=\frac{a*(1-r^n)}{1-r}\\\text{Here a=10, r=1/5, plugging them in the above formula we get}\\\text{Sum}=\frac{10*(1-(1/5)^5)}{1-(1/5)}\\\text{Sum}=\frac{1562}{125}=12.496

5 0
3 years ago
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