MATHEMATICS MIDDLE SCHOOL

In Maria's store, the customer count this week is 3000. Maria is planning a promotion and expects a 5% increase in customers next week. How many additional customers is Maria expecting?

Answers

Answer 1
Answer:

Answer:

150

Step-by-step explanation:

3000 * 0.05 = 150

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You make 72 cookies for a bake sale.this is 20%of the cookies at the bake sale.how many cookies are at the bake sale?
What is negative 3/5 multiplied by (negative 7) or as written -3/5*(-7)=​
The year is 1714. You are in a dark Spanish prison. You wake up to find yourself tied to a table with ropes. In the darkness you hear a rhythmic swishing sound-something going back and forth, back and forth. Eventually your eyes get accustomed to the dark and see that the source of the sound is a sharp bade at the end of a long pendulum that’s swinging back and forth over your body. With each sweep it gets a little lower-and a little closer to your chest. You note how long it takes between those swishes: exactly 7 seconds. And with each swish, the blade drops 1 inch lower. The last passing was only 15 inches above your chest. It won’t be much longer before the blade slices right through you. Should you scream for help? That would probably just summon a guard, who would run through with a sword then and there. But wait! You see a rat by your arms and he’s gnawing at the rope that binds you to the table. In fact, he has only 1 minute to go before he gnaws through it all the way. When he does that, you can get free! Will the rat chew through the rope before or after the blade has slashed through your chest? How much time do you have exactly?
Why do whole numbers raised to an exponent get greater while fractions raised to an exponent get smaller

Draw a model for 0.16

Answers

I cant really draw it but i can express it in words
like so. 0.16 is a  hundredth so make a hundredths model and then shade in 16 pieces.

Please help me I beg you! :(

Answers

Question 6

x² - 16 = 0
x² = 16
√x² = √16
x = 4 or -4

Question 7

x²  + 3x - 54 = 0
Factorizing

Find two numbers that add to make 3x and multiply to make 54
Write out the factor of -54 in pairs
1, -54
-1, 54
2, -27
-2, 27
3, -18
-3, 18
4, -16
-4, 16
6, -9
-6, 9
Then find the pair that, when added = +3 (in bold)
-6 + 9 = 3

x² + 9 - 6x - 54 = 0
x(x + 9)      -6(x + 9)

Use the (x + 9) and the coefficient of these brackets to make double brackets.
(x+9)(x-6) = 0

If the product of two terms =0, at least one must equal 0

x + 9 = 0
x = -9

x - 6 = 0
x = 6

x = -9 or 6


Question 8

2x² -11x - 6 = 0

First, multiply the coefficient of x² by the value of c (the number on its own)2 x -6 = 12

This time, find factors of -12 that equal -11
1, -12
-1, 12
2, -6
-2, 6
3, -4
-3, 4
The pair is in bold
1 + -12 = -11

2x² -12x + x - 6
Split down the middle and factorise in singe brackets
2x(x - 6)        1(x - 6)
Now use the brackets pre-made (x - 6) and put together what is in front of them (2x +1)
(2x + 1)(x - 6)

 If the product of two or more terms = 0, at least 1 must equal 0
2x + 1 = 0
2x = -1
2x/2 = x       -1/2 = -0.5

x - 6 = 0
x = 6

x = -0.5 or 6

Question #6:
They expect you to remember that the difference
of two squares can be factored as 

   (the sum of the squared numbers) times (their difference).

So   [ x² - 16 = 0 ]  can be written as  (x + 4) (x - 4) = 0 .

Now, a rule that you've used hundreds of times before
and you'll use thousands of times again: 
If the equation says that the product of two things is zero,
then the equation is true if EITHER of them is zero.

So ...  
(x+4) = 0 gives you one solution,
and (x-4)=0 gives you the other solution.
__________________________________

Question #7:

Factor the left side of the equation.

       (x + 9) (x - 6) = 0 .

Now, use a rule that you heard somewhere VERY recently:
If the equation says that the product of two things is zero,
then the equation is true if EITHER of them is zero.

So ...
(x + 9) = 0 gives you one solution, and
(x - 6) gives you the other one.
_______________________________________

Question #8:

Factor the left side of the equation:

           (2x + 1) (x - 6) = 0

Now use the golden rule that you've memorized by now:
If the equation says that the product of two things is zero,
then the equation is true if EITHER of them is zero.

So ...
(2x + 1) = 0 gives you one solution,
and (x - 6) = 0 gives you the other one.

The school concert raised $1360 from the sale of 400 tickets. If adult tickets cost $5 and student tickets $3, how many student tickets were sold?

Answers

To find the number of student tickets sold, we can use a system of equations. The number of student tickets sold is 320.

To find the number of student tickets sold, we can use a system of equations.

Let's represent the number of adult tickets sold as 'A' and the number of student tickets sold as 'S'. From the given information, we know that A + S = 400 (equation 1) and 5A + 3S = 1360 (equation 2).

We can solve this system of equations by substitution or elimination method:

Using the substitution method, we can solve equation 1 for A:

A = 400 - S

Substituting A in equation 2:

5(400 - S) + 3S = 1360

2000 - 5S + 3S = 1360

2000 - 2S = 1360

-2S = -640

S = 320

Therefore, 320 student tickets were sold.

For more such questions on tickets, click on:

brainly.com/question/36603056

#SPJ2
You would use a system of equations.
A= adult tickets sold
S= student tickets sold
A+S=400
5A+3S=1360

-3(A+S=400)= -3A-3S=-1200 +
5A+3S=1360 =
2A = 160 so A=80

now when you plug 80 into the original equation you get 80 + S = 400 so S=320

80 Adult tickets were sold and 320 student tickets were sold.

Solve for x in the equation x^2 - 12x+ 36= 90.x= 6+3sqr rt10
x=6+2sqr rt7
x= 12+3sqr rt22
X= 12+3sqr rt10

Answers

Ummm yeah idk too some one helpppp

Answer:

This is the answer x = 6 + 3√10

Integer Concepts - Item 2332 Question 3 of 7 Diving depths are measured relative to sea level. Sea level is measured as 0 meters. A scuba diver plans to dive to -30 meters. What does this statement mean?

Answers

This statement means that the diver is going 30 meters under sea level. It is negative because sea level is 0, and anything below 0 is a negative.

Rob is saving to buy a new MP3 player. For every $15 he earns babysitting, he saves six dollars. On Saturday, Rob earned $75 babysitting. How much money did you save?

Answers

If he saves $6 from every $15 he gets, then getting $75 means he saves $30.
Lets says he is paid 15 dollars every hour, and from those he saved 6 dollars. If he earned 72 dollars, that means he is paid 5 times (because 75/15 is 5). So if every time he is paid he saves $6, being paid 5 times means he saves $30 ($6 *5).
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