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fenix001 [56]
2 years ago
8

* i will pay you of you can finsih all my work math only* Finish solving the system of equations, y = x – 15 and y = –2x + 3, us

ing the substitution method.
1. Use substitution to create a one-variable linear equation: x – 15 = –2x + 3

2. Solve to determine the unknown variable in the equation: 3x = 18
x = 6

3. Substitute the value of the variable into either original equation to solve for the other variable.

4. Write the solution to the system of equations as an ordered pair.

The solution to the system is
.
Mathematics
2 answers:
vazorg [7]2 years ago
7 0
Ok so 123456678890 square fr liquid meters 11.3 thanks for the points don’t use this as a answer sorry 679910
disa [49]2 years ago
6 0

Answer:

1)x=6

Step-by-step explanation:

step 1: add 2x to both sides.

x−15+2x=−2x+3+2x

3x−15=3

step 2: add 15 to both sides.

3x−15+15=3+15

3x=18

step 3: divide both sides by 3.

3x/3=18/3

x=6

answer:

x=6

good luck :)

hopefully, this helps

i don't really know what it is that you need but **please let me know if this was incorrcect**

have a nice day !!

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Can anyone help me with this page i can’t find the answers
Dvinal [7]

1) f(x)=2x

when x=3 then f(x) =3×2=<em><u>6</u></em>

when x=4 then f(x)=4×2=<em><u>8</u></em>

2)At y=35(no. of mangoes),x corresponds to y=60(amount)

so$<em><u>6</u></em><em><u>0</u></em><em><u>,</u></em><em><u> </u></em><em><u>amount</u></em><em><u> </u></em><em><u>he</u></em><em><u> </u></em><em><u>need</u></em><em><u> </u></em><em><u>to</u></em><em><u> </u></em><em><u>spend</u></em><em><u>!</u></em>

3) f(x)= x+2

for x=1, f(x)=1+2=<em><u>3</u></em>

for x=2,f(x)=2+2=<em><u>4</u></em>

✌️:)

8 0
2 years ago
How to write three hundred million twenty two thousand
Vlad [161]
This is the way you write 300,022,000
8 0
2 years ago
Pls help this is pretty urgent
KIM [24]

Answer:

(a)  0

(b)  f(x) = g(x)

(c)  See below.

Step-by-step explanation:

Given rational function:

f(x)=\dfrac{x^2+2x+1}{x^2-1}

<u>Part (a)</u>

Factor the <u>numerator</u> and <u>denominator</u> of the given rational function:

\begin{aligned} \implies f(x) & = \dfrac{x^2+2x+1}{x^2-1} \\\\& = \dfrac{(x+1)^2}{(x+1)(x-1)}\\\\& = \dfrac{x+1}{x-1}\end{aligned}

Substitute x = -1 to find the limit:

\displaystyle \lim_{x \to -1}f(x)=\dfrac{-1+1}{-1-1}=\dfrac{0}{-2}=0

Therefore:

\displaystyle \lim_{x \to -1}f(x)=0

<u>Part (b)</u>

From part (a), we can see that the simplified function f(x) is the same as the given function g(x).  Therefore, f(x) = g(x).

<u>Part (c)</u>

As x = 1 is approached from the right side of 1, the numerator of the function is positive and approaches 2 whilst the denominator of the function is positive and gets smaller and smaller (approaching zero).  Therefore, the quotient approaches infinity.

\displaystyle \lim_{x \to 1^+} f(x)=\dfrac{\to 2^+}{\to 0^+}=\infty

5 0
1 year ago
Read 2 more answers
Solve triangle ABC
Goshia [24]

That figure obviously doesn't go with this problem.  It doesn't matter; this is triangle ABC labeled the usual way.

c = 10, B = 35°, C = 65°

We have two angles and a side.  The third angle is obviously

A = 180° -  35°- 65°  = 80°

The remaining sides are given by the Law of Sines,

\dfrac{a}{\sin A}=\dfrac{b}{\sin B}=\dfrac{c}{\sin C}

a = \dfrac{c \sin A}{\sin C} = \dfrac{10 \sin 80}{\sin 65} = 10.866

b = \dfrac{c \sin B}{\sin C} = \dfrac{10 \sin 35}{\sin 65} = 6.328

Answer: A=80°, a=10.9, b=6.3, third choice

4 0
2 years ago
In a triangle, the measure of the first angle is twice the measure of the second angle. The measure of the third angle is 64 deg
Xelga [282]
Argument
Let the second angle = x
Let the first angle = 2x
Let the third angle = x + 64

Substitute and Solve
x + 2x + x + 64 = 180 Collect the like terms on the left.
4x + 64 = 180 Subtract 64 from both sides.
4x = 180 - 64
4x = 116 Divide by 4
x = 116 / 4
x = 29

Conclusion
x = 29
2x = 58
x + 64 = 93 I'm leaving you with the problem of checking this out.

Answer
The first angle = 58
The second angle = 29
The Third angle = 93


7 0
3 years ago
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