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vredina [299]
3 years ago
15

20 POINTS!!!What is the solution to the system that is created by the equation Y = 2x+ 10 and the graph shown below?

Mathematics
2 answers:
skad [1K]3 years ago
8 0

Answer:

(-8,-6)

Step-by-step explanation:

True [87]3 years ago
8 0

Answer:

So... the factored answer is -5(7+x) Simplified it is -35-5x

Step-by-step explanation:

Calculate the sum then factor! Hope this helps :D

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(b) What per cent is1/2<br>dozen of one score?<br>​
aleksandr82 [10.1K]

Answer:

1/2 dozen of one score is 30%.

Step-by-step explanation:

As we know that 1 dozen = 12 units.

1/2 dozen = 1/2 times 12=6 units

1 score = 20 units.

By using this conversion, we get

6/2 times 100=30%

So 1/2 dozen of one score is 30%

4 0
3 years ago
Which expression is equivalent to this expression? x(2x 3) Question 1 options: 2x2 3 2x2 3x 2x2−3x 3x 3.
mash [69]

The expression is equivalent to this expression is  2x^2+3x.

The correct option is A.

Given

The expression is;

= x(2x + 3)

<h3>What is the algebraic expression?</h3>

Algebraic expressions consist of numbers and variables along with operational signs.

The equivalent expression is found by multiplying x and simplifying.

Therefore,

The expression is equivalent to this expression is;

\rm = x(2x + 3) \\\\= 2x\times x+ 3 \times x\\\\= 2x^2+3x

Hence, the expression is equivalent to this expression is  2x^2+3x.

To know more about Algebraic expression click the link given below.

brainly.com/question/953809

7 0
3 years ago
Complete the steps for deriving the quadratic formula using the following equation.
Andrew [12]
Having obtained:

x^2+ \frac{b}{a}x+( \frac{b}{2a} )^2+ \frac{c}{a}-( \frac{b}{2a} )^2=0

the next thing to do is collect the first three terms and write them as the square of a binomial, and also collect the last two terms, writing each of them with a denominator equal to 4a^2

We have:

(x+\frac{b}{2a} )^2+( \frac{4ac}{4a^2}-\frac{b^2}{4a^2} )=0.

Then, we take ( \frac{4ac}{4a^2}-\frac{b^2}{4a^2} ) to the right side and write these two terms as one:


(x+\frac{b}{2a} )^2=\frac{b^2-4ac}{4a^2}.


Next, we take the square root of both sides, which has been shown in the solution.


Next, we have to take b/2a to the right hand side as -(b/2a), and removing the square in the denominator of the right hand side expression:

x=-\frac{b}{2a}\pm \frac{\sqrt{b^2-4ac}}{2a}}.



Answer: the steps to complete in the boxes are :

 
(x+\frac{b}{2a} )^2+( \frac{4ac}{4a^2}-\frac{b^2}{4a^2} )=0.

(x+\frac{b}{2a} )^2=\frac{b^2-4ac}{4a^2}.

x=-\frac{b}{2a}\pm \frac{\sqrt{b^2-4ac}}{2a}}.

4 0
4 years ago
Read 2 more answers
Here is the other question i was gonna mention, Ace =.= i would put it in the comments but i dont want to deal with brainly bein
navik [9.2K]

Answer:

a.) 9, -9

b.) 2(sqrt)15, -2(sqrt)15

c.) 4, -2+2i(sqrt)3, -2-2i(sqrt)3

d.) 3(sqrt)75

(some of the numbers are placed differently than I wrote them so here are screenshots- pls look at them rather than what I wrote ;w;)

3 0
2 years ago
SOMEONE PLEASE HELP ME
slava [35]

Smart Dot, multiply the cost per hour by number of hours (t) and add to the monthly fee:

C = 0.50t + 12

Communication plus: Multiply the cost per hour by number of hours (t)

C = 2.50t

5 0
3 years ago
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