What is the measure of AC?

Answers

Answer 1

Answer:

Answer:

A or B

Step-by-step explanation:

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Select the best answer 1012. Which of the following is an example of a proper fraction?
A.7/6
B. 4/3
C.4/4
D.3/4

Answers

A example of a Proper fraction is D =3/4

David is running a concession stand at a soccer game. He sells nachos and sodas. Nachos cost $2.50 each and sodas cost $1.50each. At the end of the game, David made a total of $120 and sold a total of 72 nachos and sodas combined. Which system of equations represents this situation? (x value represents nachos and y value represents sodas)(12, 60)

(57, 15)

(61, 26)

(15, 57)

Answers

The answer to this question is (57,15)

Answer:

it is (12,60)

Step-by-step explanation:

12x2.50= 30.00

60x1.50= 90.00

30+90= 120

Four cups of a salad blend containing 40% spinach is mixed with an unknown amount of a salad blend containg 55% spinach. The resulting salad contains 50% spinach. How many cups of salad are in the resulting mixture?

Answers

Answer: 12 cups of salad blend are in the resulting mixture

Explanation:

Since we have given that

4 cups of a salad blend contains 40% spinach

Using mixture allegation method, we get that

8 cups of a salad blend contains 55% spinach as shown in the figure below.

Now, we need to find the number of cups of salad in the resulting mixture,

$0.4* 4+0.55* 8=0.5* x\n\n1.6+4.4=0.5x\n\n6=0.5x\n\n(6)/(0.5)=x\n\n12=x$

Hence, 12 cups of salad blend are in the resulting mixture .

Answer:

Option C: 12 cups of salad

Let the unknown cups of salad in the mixture be x( unknown cup in 55% mixture)

Thus, we have the following expression that shows the number of salad in the resulting mixture;

4(40%) + x(55%) = (4+x)(50%)

= 0.4(4) + x(0.55) = 0.5(4 + x)

= 1.6 + 0.55x = 0.2 + 0.5x

0.2 -1.6 = 0.55x-0.5x

0.4 = 0.05x

x = 0.4/0.05

x = 8 cups of salad

So the number of salad cups in the resulting mixture = x + 4 = 8 + 4 = 12 cups of salad

(3b-5)^2-c^2 how do I factor this using grouping?

Answers

so you see it is the difference of 2 perfect squares
a^2-b^2=(a+b)(a-b)
so
(3b-5)^2-c^2=(3b-5+c)(3b-5-c)

Help me please A taco stand sells tacos for $3.25 each . The stand's expenses for the day are $210. Decline your variables and write an inequation to represent the amount ad tacos they need to sell per day to make a profit , and then solve the inequation. Provide your conclusion as a complete sentence .

Please they ask me to show the work . Help me please . Thanks

Answers

They sell tacos for $3.25 each which would be $3.25x....and they make an expense of $210 a day so your equation would be... $3.25x = $210 in which you would divide 210 by 3.25 to get your answer on how many tacos they would have to sell per day to make that expense....

Ax+by=c, how would I solve for y

Answers

Solving for y means trying to get the equation into the form y= _____. So, let's say that we are going to keep the y value on the left side of the equation.

First, we would subtract ax from both sides. This results in the equation by=c-ax.

Next, we figure out that y has a coefficient of b. They are combined together by multiplication, so to undo this operation, we need to divide both sides by b.

If done correctly, your final answer should be $(c-ax)/(b)$ . Or, y=c-ax/b

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