Mathematics Middle School

PLEASE HELP WILL MARK BRAINLIEST IF YOU GET IT RIGHT THANKS

Answers

Answer 1

I don’t know this one

Related Questions

Write the word sentence as an inequality.

A number y-
is no more than −8.

An inequality is .

Answers

Answer:

y>-8

Step-by-step explanation:

Answer:

Step-by-step explanation:

At a recent football game of 8,450 in attendance, 150 people were asked what they prefer on a hot dog. The results are shown.

Ketchup Relish Chili
54 36 60

Based on the data in this sample, how many of the people in attendance would prefer ketchup on a hot dog?
4,225
3,380
3,127
3,042

Answers

By proportion that is:(54/150) * 8450= 54 * 56 1/3= 3042

Answer:

By proportion that is:(54/150) * 8450= 54 * 56 1/3= 3042

Step-by-step explanation:

Someone pleaseeee help :(

Answers

Answer:

x = 10, m∠TRS = 60°

Step-by-step explanation:

It is given that the total measurement of m∠QRS = 122°. Set the equation. Note:

∠QRS = ∠QRT + ∠TRS

Plug in the corresponding terms with the corresponding angles:

122 = 7x - 8 + 6x

First, simplify by combining like terms:

122 = (7x + 6x) - 8

122 = 13x - 8

Next, isolate the variable, x. Note the equal sign, what you do to one side, you do to the other. Do the opposite of PEMDAS.

PEMDAS is the order of operations, and stands for:

Parenthesis

Exponents (& Roots)

Multiplications

Divisions

Additions

Subtractions

First, add 8 to both sides of the equation:

122 = 13x - 8

122 (+8) = 13x - 8 (+8)

122 + 8 = 13x

130 = 13x

Next, divide 13 from both sides of the equation:

(130)/13 = (13x)/13

130/13 = x

x = 10

Next, plug in 10 for x for the measurement of m∠TRS

m∠TRS = 6x

m∠TRS = 6 (* 10)

m∠TRS = 60°

Answer: x = 10, m∠TRS = 60°

Answer:

Step-by-step explanation:

7x10=70

70-8=62

6x10=60

62+60=122

What is the constant of proportionality in the equation y=1/2x?

Constant of proportionality=

Answers

Answer:

$\frac12$

Step-by-step explanation:

Hello!

Equation of a Line: $y = mx + b$

y = outputm = slope (constant of proportionality)x = inputb = y-intercept

Given our equation: $y = \frac12 x\\$

slope = 1/2y-intercept = 0

Since the slope is the same as the constant of proportionality, the answer is 1/2.

The answer 1/2 because 1/2 is next to x

if you helped me, it would make my day :)

Answers

Answer:

Step-by-step explanation:

Answer:

6.48

Step-by-step explanation:

5.4(3x + 1.2)

5.4×3x =16.2x

5.4×1.2=6.48

therefore p= 6.48

VIEWS The number of daily views during the first 10 days for a video posted on the Internet decreases according to the function 20(0.8¹). In the equation, x represents the number of days since the video was released and y represents the number of daily views, in thousands. Identify the relevant domain and range. Round to the nearest tenth if necessary.

Answers

Answer:

Answer is b i took the test

Write this number in scientific notation.
Thank you!

Answers

Answer:To write the number 0.0000149 in scientific notation, we need to express it as a number between 1 and 10 multiplied by a power of 10.

First, we move the decimal point to the right until there is only one non-zero digit to the left of the decimal point, which gives us:

1.49 × 10^-5

Since we moved the decimal point 5 places to the right, the exponent of 10 is negative 5.

Therefore, the scientific notation of 0.0000149 is 1.49 × 10^-5.

Step-by-step explanation:

Answer:

1.49×10^-5

Step-by-step explanation:

0.0000149=1.49×10^-5

it's to the power of -5 because it's a decimal number not a whole number

Can you help with this or see if my selection is right

Answers

Your answer should be 7.

I think it would be 4 because it’s asking for the y axis but your answer seems correct too

Multiply the pairs of numbers and match them with their products. Tiles (-5)(4.2) (-7)(-3) (4) (5) (2.5)(-9) Pairs 22.5 21 -22.5 -21 111

Answers

Here are the pairs matched with their products:

- (-5)(4.2) matches with -21

- (-7)(-3) matches with 21

- (2.5)(-9) matches with -22.5

Pairs (4) and (5) do not have corresponding products in the given options.

The products of the given pairs of numbers are:

(-5)(4.2) = -21

(-7)(-3) = 21

(4)(5) = 20

(2.5)(-9) = -22.5

So, the pairs of numbers and their products are as follows:

(-5)(4.2) = -21 matches with -21.

(-7)(-3) = 21 matches with 21.

(4)(5) = 20 matches with 20.

(2.5)(-9) = -22.5 matches with -22.5.

I hope this helps!

Cecile packages snack mix at a health food store.
She uses 13 of her supply of sunflower seeds to make a salted snack mix and 29 of her supply to make an unsalted snack mix. If Cecile uses 10 pounds of sunflower seeds, how many pounds of seeds are in her supply?

Answers

Answer:her supply has 18 pounds

Step-by-step explanation:Assume that the number of pounds in her supply is x.

We are given that:

She uses 1/3 x in salted mix and 2/9 x in unsalted mix.

This means that:

Total amount used = 1/3 x + 2/9 x = 5/9 x of her supply

Now, we are also given that:

She used 10 pounds of her supply.

This means that:

5/9 x = 10

5x = 9*10 = 90

x = 18 pounds

Your welcome

please solve this correctly in simple words

Answers

Answer: The answer is -2/6 :)

Step-by-step explanation:

Answer: -5/24

Step-by-step explanation:

-7/12+3/8 can also be written as

3/8-7/12

The answer will be -5/24

I hope it is right

Please help! I keep on getting the wrong answer!

Answers

Answer:

A. 18.84

B. 28.26

C. 364.24

D. 120

E. 14

F. 21

G. 96

CODE: 1977.98

Step-by-step explanation:

a. C = 2πr

C = 2π(3)

C = 6π

C = 6(3.14)

C = 18.84

b. A = πr²

A = π(3)²

A = 9π

A = 9(3.14)

A = 28.26

c. C = 2π(58)

C = 116π

C = 116(3.14)

C = 364.24

d. 4x + 2x = 180

6x = 180

x = 30

4x = 4(30) = 120

e. 3x - 21 = x + 7

2x = 28

x = 14

f. angle JHK = 3x - 21 = 3(14) - 21 = 21

g. supplementary means 2 numbers add up to 180

180 - 84 = 96

CODE: E(C - D) - F(G - B) - A

14(364.24 - 120) - 21(96 - 28.26) - 18.84

= 14(244.24) - 21(67.74) - 18.84

= 3419.36 - 1422.54 - 18.84

= 1977.98

A student is buying thank you cards. Each than you card cost $2. The equation t = 2c represents the total cost, t, this student will spend to buy c cards. Which variable is the independent variable in the equation? Which is the dependent variable? Explain how you know.

Answers

Answer:

t is dependent and c is independent because if c increases so will t

The independent variable is the variable that is being manipulated or controlled in an experiment, and it is typically plotted on the x-axis of a graph. In this equation, "c" represents the number of thank you cards being purchased, which is something that the student can control or manipulate. The student can decide to buy 1 card, 2 cards, 3 cards, etc., and the cost will vary accordingly.

The dependent variable, on the other hand, is the variable that is being measured or observed, and it is typically plotted on the y-axis of a graph. In this equation, "t" represents the total cost of the thank you cards, which is something that depends on the number of cards being purchased. The cost is not something that the student can control directly, but rather it is determined by the number of cards being purchased.

Therefore, in the equation t = 2c, "c" is the independent variable because it is being manipulated by the student, and "t" is the dependent variable because it depends on the value of "c".

Dela made 21 peanut butter sandwiches with a 12-ounce jar of peanut butter.

How many ounces of peanut butter did Dela use on each sandwich? Use any strategy to solve this problem.

Answers

Answer:

4/7

Step-by-step explanation:

divide the ounces used by the sandwiches

$ \frac{12}{21} = \frac{4}{7} $

12/21 = 4/7 or 0.571428571428571

You pick a card at random. 6 7 8 9 What is P(divisor of 70)? Write your answer as a percentage. %

Answers

Answer:

Step-by-step explanation:

6.789x10 3 esta es la solución

I will give brainy to who ever answers first

Answers

Answer:

Step-by-step explanation:

hi haha...................

Tatyana can text 225 words in 5 minutes. How many words can Tatyana text in 12 minutes?(1 point)

Due in 30 minutes!!

Worth 10 points

Answers

435 is the answer hope this helped

Answer: 540 words.

Step-by-step explanation: I'm gonna do '/' for a fraction.

So, what you would do is put 225 over 5. 225/5

Divide 225 and 5 by 5, 5 divided by 5 is 1, and 225 divided by 5 is 45.

Well, 12 x 1 is 12, right? Yes, so then what you do to the bottom you have to do to the top. 45 x 12 is 540.

the answer as a fraction is 540/12 and don't forget to add your labels! 12m and 540w

Hope this helped!

A box contains 18 violet tops, 15 red tops, and 9 white tops. Identify the ratio of white tops to violet tops in all three forms.

Answers

Answer:

top option:

"9/15, 9 to 15, 9:15

1/2, 1 to 2, 1:2"

Step-by-step explanation:

First, create a ratio of white tops to violet tops using the given information:

9 white tops : 18 violet tops

We can simplify this by dividing both sides by 9 to get:

1 white top : 2 violet tops or 1 : 2

So, the answer is the topmost option or

"9/15, 9 to 15, 9:15

1/2, 1 to 2, 1:2".

(Note that what this problem calls "forms" just have rewritten operators--for example, the colon can be replaced with a division symbol.)

9:15:18 would be the correct answer for your question

Find m(x) = f(x) * h(x)

Values - f(x) = -3x + 6; g(x) = 7x -5; h(x) = -2

Answers

Answer:

Step-by-step explanation:

I believe the answer is 6x-12 :)

Find m(x) = f(x) * h(x)Values - f(x) = -3x + 6; g(x) = 7x -5; h(x) = -2

help! i dont this math problem please due soon!

Answers

Answer:

12x12 12x6 H = 46cm

Step-by-step explanation:

took quiz

Answer:

46 cm

Step-by-step explanation:

I learned this formula in math last year

Select the function that represents a geometric sequence

Answers

Answer:

Step-by-step explanation:

This is big ideas work pls show how u do it so i know

Answers

Answer: [5 , -1] step-by-step-explanation

If 3a- 7>14, then which of these could a be ? a. 8 b. 5 c. 1 d. -8

Answers

Answer:

A) 8

Step-by-step explanation:

Plug in the optional values for "a".

3(8) - 7 = 17

17>14

Repeat with the other options and you'll see this is the only choice.

Answer:

Step-by-step explanation:

3a = 7+14

3a = 21

a = 7

inequality = (7,∞)

if 7, 3a - 7 > 14 = 14 > 14 which is not possible

so its 8

help!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer: consistent and dependent

Step-by-step explanation:

How many centimeters are in 3.6 inches? [1 inch = 2.5 cm] (5 points)

1.44 cm
9 cm
10 cm
14.4 cm

Answers

Answer:

Step-by-step explanation:

9cm. you multiply 3.6in by 2.5 cm and you get 9cm :)

the correct answer would be B. 9cm

PLS HELP ASAP!!! WILL GIVE BRAINLIEST!
The scale model of a building is 2.5 inches to 40 feet. What is the actual height of the building if the height on the model is 2.7 inches?

Answers

Answer: 43.2 feet.

Step-by-step explanation:

It's all about unit rates. To find the unit rate of inches on the model to feet on the building, you divide 40 feet by 2.5 inches.

$\frac{40}{2.5} =16$

The height of the building is 16 times the height of the model. This means that the model's height times 16 equals the building's height.

Because we know that the model's height is 2.7 inches, all we have to do is multiply 2.7 by 16 to get the building's height.

2.7 × 16 = 43.2

The building's height is 43.2 feet when the model's height is 2.7 inches.

The circumference of a circular park is approximately 18 feet. What is the approximate area inside the circular park?

Answers

Answer:

25.685 square feet.

Step-by-step explanation:

Circumference = 2 * π * radius

From this, we can derive the formula for the radius:

radius = Circumference / (2 * π)

Let's substitute the value of the circumference and calculate the approximate radius:

radius = 18 / (2 * π)

radius ≈ 18 / (2 * 3.14159)

radius ≈ 2.865 feet

Now that we have the approximate radius, we can calculate the area:

Area ≈ π * radius²

Area ≈ 3.14159 * (2.865)²

Area ≈ 3.14159 * 8.193225

Area ≈ 25.685 square feet

Therefore, the approximate area inside the circular park is approximately 25.685 square feet.

We know that the circumference of a circle is given by:

C = 2πr

where C is the circumference and r is the radius of the circle.

In this case, we are given that the circumference is approximately 18 feet, so we can set up the following equation:

18 = 2πr

Solving for r, we get:

r = 9/π ≈ 2.864 feet

Now we can use the formula for the area of a circle:

A = πr^2

Substituting the value we found for r, we get:

A = π(2.864 ft)^2 ≈ 25.85 ft^2

Therefore, the approximate area inside the circular park is approximately 25.85 square feet.

Mr. Hartman has pledged to match the average of the last 20 donations to a local public television station if that average is greater than $50. If the average is not greater than $50, he will donate $50. The amounts of the last 20 donations are given. How much will Mr. Harman be donating?

$43, $44, $91, $90, $43, $65, $59, $84, $94, $37, $37, $36, $43, $73, $89, $49, $39, $93, $29, $82

a
$61
b
$50
c
$54
d
$90

Answers

The correct answer is =61

Is 5,517,552 divisible by 2?

Yes or No

Answers

Answer:

yes

Step-by-step explanation:

ones digit is 0,2,4,6 or 8.is divisible by 2

please help!!!! where do i put the number line/s

Answers

Answer:

Put the arrow on -1.3.

Step-by-step explanation:

In order to find -1.3, we first have to solve the problem.

-2 - (-0.7)

Since negative - negative = negative, we know our answer is already going to be negative.

Subtract -0.7 from -2, and to make it easier you can do it on a calculator if you want.

First remove the brackets, then turn the negative sign on -0.7 and the minus sign into a plus sign. It will turn into:

-2 + 0.7

When you add, 0.7 to -2, the sum is -1.3.

Therefore you mark the arrow on -1.3

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