Andrews math teacher entered the seventh- grade students in a math competition. There was an enrollment fee of $30 and also an $11 charge each packet of 10 test. The total cost was $151. How many test were purchased?

Answer:

y-intercept: 2

x-intercept: 5

Step-by-step explanation:

2x + 5y = 10

Let x = 0

2(0) + 5y = 10

y = 2

y-intercept: 2

Let y = 0:

2x + 5(0) = 10

2x = 10

x = 5

x-intercept = 5

Answer:

{0, 3.75, 7.5, 11.25, 15, 18.75, 22.5}

Step-by-step explanation:

Since the values in this function cannot go on infinitely this is a discrete funciton.

Its basically asking how much he can spend on drinks with 23$ if they are each 3.75$, this means that he can buy at most 6 drinks. Imagine a disctrete graph with a point on every value he spends per drink, (0,0) (1 , 3.75) (2 , 7.5) etc.

As our bright fellow shadow188 has stated, y is the range or the output so you list the possible outputs for the range in bracets.

I hope you found this helpful, ik its a little late.

The required range will be $3.75 ≤ y ≤ $23 for the function.

Given that,
Brandy only has $23 in cash to spend on drinks, and the concession stand charges $3.75 for a drink.
x represents the number of drinks purchased, and y is the amount of money spent on drinks, what is the range in this situation is to be determined.

Functions are the relationship between sets of values. e g y=f(x), for every value of x there is its exists in a set of y. x is the independent variable while Y is the dependent variable.

Here,
Let the x be the cost of the drink and y be the total amount of money spent,
Since there are concession stand charges of $3.75 also.
So the minimum charge will be $3.75 whether bought the drink or not, and Brandy has $23 to spend on drinks so the maximum will be $23.
So, the range can be given as $3.75 ≤ y ≤ $23.

Thus, the required range will be $3.75 ≤ y ≤ $23 for the function.

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Answer:

A and C

Step-by-step explanation:

Step-by-step explanation:

The formula of a circumference of a circle with radius r:

[tex]C=2\pi r[/tex]

Solve for r:

[tex]2\pi r=C[/tex]     subtitute  [tex]\pi\approx\dfrac{22}{7}[/tex]

[tex]2\cdot\dfrac{22}{7}r=C[/tex]

[tex]\dfrac{44}{7}r=C[/tex]       multiply both sides by 7

[tex]44r=7C[/tex]      divide both sides by 44

[tex]r=\dfrac{7C}{44}[/tex]

Substitute the values of the circumference from your question:

[tex]i.\ C=88cm\\\\r=\dfrac{7\cdot88}{44}=\dfrac{7\cdot2}{1}=12(cm)\\\\=================[/tex]

[tex]ii.\ C=1.4m\\\\r=\dfrac{7\cdot1.4}{44}=\dfrac{9.8}{44}=\dfrac{98}{440}=\dfrac{49}{220}(m)\\\\====================[/tex]

[tex]iii.\ C=16m\\\\r=\dfrac{7\cdot16}{44}=\dfrac{7\cdot4}{11}=\dfrac{28}{11}(m)\\\\=================[/tex]

[tex]iv.\ C=33ft\\\\r=\dfrac{7\cdot33}{44}=\dfrac{7\cdot3}{4}=\dfrac{21}{4}(ft)\\\\=================[/tex]

[tex]v.\ C=5m\\\\r=\dfrac{7\cdot5}{44}=\dfrac{35}{44}(m)\\\\===============[/tex]

[tex]vi.\ C=66m\\\\r=\dfrac{7\cdot66}{44}=\dfrac{7\cdot3}{2}=\dfrac{21}{2}(m)\\\\================[/tex]

Answer:

1. 1, 2, 3, 4, or 5

2. as long as it is -4, -5, -6, -7, and so on

Step-by-step explanation:

Answer:

-15%

Step-by-step explanation:

percentage change is calculated by

(new price - old price) / old price

(850 - 1000) / 1000

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Answer:

15%

Step-by-step explanation:

1. Subtract the sale price from the normal price.

$1000 - $850 = $150.

2. Divide this amount by the original price.

$150/$1000 = 0.15

3. Multiply by 100 to get the %.

0.15 x 100 = 15%

Answer:

You treat it as 10^4 (the small number is the number of zeros. Therefore the answer is 10000. Or of you meant 10^-4. Its the same concept, just reversed. So the answer in this case is 0.0004.

Cheers! :)

10 to the power of 4 is equal to 10,000.

To calculate 10 to the power of 4 as a decimal, you need to raise the base number (10) to the exponent (4).

Here are the steps to compute it:

Step 1: Start with the base number, which is 10.

Step 2: Multiply the base number (10) by itself 4 times, since the exponent is 4. The calculation looks like this:

10 x 10 x 10 x 10 = 10,000

Step 3: The result of multiplying 10 by itself 4 times is 10,000.

So, 10 to the power of 4 (10⁴) is equal to 10,000.

Hence 10 to the power of 4 is equal to 10,000.

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Answer:

6i

Step-by-step explanation:

[tex]\sqrt{-36} = \sqrt{36} \sqrt{-1}[/tex]

[tex]\sqrt{36}[/tex] is 6 and symbol for [tex]\sqrt{-1}[/tex] is i for imaginary. So your answer will be 6i

Answer:

domain: (-∞ , ∞)

range: (-∞, 2]

Step-by-step explanation:

the domain is the set of values of what the x value can be. This function is parabolic and upside down, it can have a range of x values from - infinity to positive infinity. The function is most likely y=-x^2 +2

range is the output (y values) the function can possibly have. the max is 2 and includes 2 so we use bracket for that. The smallest y value can reach towards negative infinity.

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Answer:

x= -24

Step-by-step explanation:

Hope it helps.

Answer:

A = 60 degrees

C = 8 m

Step-by-step explanation:

Whenever we are faced with a geometry problem, and we have a right-angled triangle within the problem, we are to remember Pythagoras' Law first, and the fact that a right-angled triangle always has an angle that measures 90 degrees.

We will also need to know that the sum of the angles in a triangle is 180 degrees.

Therefore, angle A will be = 180 - (90 +30) = 60 degrees

From Pythagoras' Law, we can see that [tex]c= tan 30 \times 8\sqrt{3} =8[/tex]

therefore, line c = 8m

Answer:

green was the imposter

Step-by-step explanation:

Answer:

(6,0)

Step-by-step explanation:

x is horizontal, along the bottom of the graph and the line goes through at the 6th line.

y-intercept is at 5.

from y = mx+b

m is the slope

b is the y-intercept.

Answer:

0.8 or 8/10

Step-by-step explanation:

Answer:

4/5 or 0.8

Step-by-step explanation:

so, -4/4 and 1/5 are both already fractions.

160% as a decimal would be 1.6. 1.6 as a fraction would be 8/5.

-4/4 is just -1

-1+1/5+8/5

so, -5/5 +1/5 +8/5

-5/5 plus 9/5

4/5

the answer would be 4/5 or 0.8

Answer:

(0,1)

Step-by-step explanation:

x-intercept: (2,0)

Y-intercept: (0,1)

It's when x is zero and the form (x,y)

Answer:

I think its b

Step-by-step explanation:

Answer:

12

Step-by-step explanation:

Area = length * width

length = area ÷ width

is this correct?

a * b = -70

a + b = -9......a = -9 - b

b(-9 - b) = -70

-b^2 - 9b + 70 = 0

(-b + 5)(b + 14) = 0

-b + 5 = 0

5 = b

b + 14 = 0

b = -14

ur numbers are -14 and 5

-14 * 5 = -70

-14 + 5 = -9

Answer: By dividing 1760 by the jack and his friends, you get 352 yards per person

Step-by-step explanation:

hope it helps please consider giving brainliest

Answer:

im answering so you can give other person brainliest

Step-by-step explanation:

Answer: 20 pens

5x5=25

5x4=20

Answer:

Part A: So the solution for 4 = 2x-1 is -2. Why they're intersecting is because x is -0.5 in both cases. 2/4, as we already know, is 0.5. Since, this -2/4, we can just make 0.5 negative, so -0.5. -0.5 times 4 = -2, so x is -0.5. For y = 2x-1, multiply -0.5 by 2, which would get you -1. Then after that subtract 1, for -2.

Part B:

Well, notice how none of the entries for y = 4x and y = 2x-1 match. That would mean the answer wouldn't be an integer. (Attachment is the table)

Part C:

First, graph both y = 4x and y = 2x-1. After that, find where the two equations' y-coordinates are the same (So, on a graph, where they intersect.). The y-coordinate in common is your answer.

Answer:

A: the intersection represents the answer because the place where it intersects is where the equations have the same x values.

B:  they intersect at the point (0,1)

C: plot the equations on an online graph and solve, Its almost impossible to draw an accurate continuing graph for an exponential equation. I recommend desmos.

Step-by-step explanation:

I have a graph for part B.

Answer:

Gary's new pay rate is $15.90 per hour.

Step-by-step explanation:

15 + 6% = 15.9

Answer:

Step-by-step explanation:

34241

Answer: 12

Step-by-step explanation:

-8 is 8 away from 0.

4 is 4 away from 0.

8+4 = 12

Hope this helps!

Answer:

counfsed so can u write it in english ?

Step-by-step explanation:

Answer:

1.2

Step-by-step explanation:

(I am not a good explainer)

Answer:

B. Baseball cap

Step-by-step explanation:

Given that:

Total money available with Annabeth = $29.00

Amount at which T-shirt was bought = $15.32

Things that Annabeth wants to buy:

Soccer ball for the price of $12.87 or

Baseball cap for the price of $8.39 or

Set of shin guards for the price of $14.98 or

Water bottle for the price of $5.93

The equation that can be used to find the cost of most expensive item with the remaining amount of money:

$15.32 + [tex]c[/tex] = $29.00

[tex]\Rightarrow c = 29 - 15.32\\\Rightarrow c= \$13.68[/tex]

Cost of items that can be bought in the decreasing order is:

Cost of pair of shin guards ( $14.98 ) > Cost of soccer ball ( $12.87 ) > Cost of baseball cap ($8.39) > Cost of water bottle ( $5.93 )

The most expensive item that can be bought is the Soccer ball at $12.87.

Answer is:

B. Soccer ball

Cost of shin guards is more than the amount of money remaining.

Answer:

232.5

Step-by-step explanation:

If you take 15.50 and multiply it by 15 you get 232.5 if its wrong my apologies

Answer: $2.33

Step-by-step explanation:

Your formula for percent is % times X = Y.

So you multiply 15% x 15.50 and you get 2.325 and you round it up and the 5 makes your 2 go to a 3 and you get $2.33