Please help with these math questions I really need it ! Don't just do it for points pls

Please Help With These Math Questions I Really Need It ! Don't Just Do It For Points Pls
Please Help With These Math Questions I Really Need It ! Don't Just Do It For Points Pls
Please Help With These Math Questions I Really Need It ! Don't Just Do It For Points Pls

Answers

Answer 1

Answer:

wouldn't that be 81 but i dont know

Answer 2

Answer:

1. d 2. 43.5 3. 817.5

Step-by-step explanation:


Related Questions

Elena went to a sporting goods store that
was having a sale. She bought a tennis
racket and 3 cans of tennis balls. How much
will she pay for everything, including tax?

Answers

Are there any other numbers to this question? I will be glad to help.

1. Simplify 3 + 5[5 + (7 - 3) - 32]

Answers

Answer:

48

step by step explanation:

3+5(5+(7-3)-32)

8(12-2)-32

96-16-32

80-32

48

5. Use the Commutative
Property and compatible
numbers to calculate the sum.
Explain how you used mental
math.
23.3 + 12 + 36.7

Help! Need by 8 pm est

Answers

Answer:    72

Step-by-step explanation:

A cube-shaped box can be wrapped completely in gift wrap that measures 384 square inches. What is the volume of the box?

Answers

Answer:

7529.536

Step-by-step explanation:

√384=19.6

19.6, is therefore the length of one side

Volume of cube is length³

19.6³=7529.536

Well it's just a try for me

The volume of the box when there is the cube shaped box wrapped and it should measured 384 square inches so it is 7529.536.

Calculation of the volume of the box;

Since

A cube-shaped box can be wrapped completely in gift wrap that measures 384 square inches

So here the side should be like

[tex]= \sqrt{384}[/tex]

= 19.6

Now the volume of the box should be

= [tex]19.6^3[/tex]

= 7529.536

hence, The volume of the box should be considered as the 7529.536.

Learn more about volume here: https://brainly.com/question/13634444

True or false the absolute value of -7 is greater than the absolute value of -3
ture or false?​

Answers

Answer:

False

Step-by-step explanation:

Since its a bigger number in the negative, it means it further from zero which makes it false

A researcher is trying to show evidence for extra-sensory perception (ESP). She performs a test in which the subject is asked 10 yes or no question whose answer depends on information which the subject has not observed. Suppose that for each test, in the absence of ESP, the subject gets each question correct with 50% probability a) In the absence of ESP, what is the probability that a given test subject will answer at least 8 out of 10 questions correctly

Answers

Answer:

The answer is "0.0547".

Step-by-step explanation:

[tex]P(Correct) = 0.50\\\\n = 10\\\\x = 8[/tex]

Using the binomial distribution:

[tex]\to P(x,n) = n_{C}_x \times p^x \times (1-p)^{(n-1)}\\\\\to P(x \geq 8) = 1 - P( \leq 7)[/tex]

Calculating the excel formula:

[tex]=BINOM.DIST(7,10,0.50,TRUE)[/tex]

[tex]\to P(x \geq 8) = 1 - 0.9453\\\\ \to P(x \geq 8) = 0.0547[/tex]

1) How many ink cartridges can you buy with 77 dollars if one cartridge costs 11 dollars ?​

Answers

7 Ink Cartridges

11x7=77
7 is the answe cuz 11 22 33 44 55 66 77 count those and u get 7

Find the area of the trapezoid.

Recall : (b + b) h

Answers

Answer:

36 Sq cm

Step-by-step explanation:

Area of the trapezoid

[tex] = \frac{1}{2} \{8 + (4 + 8 + 4) \} 3\\ \\ = \frac{1}{2} \{8 + 16 \} 3\\ \\ = \frac{1}{2} \times 24 \times 3\\ \\ = 12 \times 3 \\ \\ = 36 \: {cm}^{2} [/tex]

Are (3, 1) (4, 1) and (5, 1) all equivalent ratios

Answers

3:1=4:1
3•1=1•4
3=4

4:1=5:1
4•1=5•1
4=5

5:1=3:1
5•1=1•3
5=3

Those ratios are not equivalent

Can someone help me?

1. 4(1/2x + 2) = 6

Answers

Answer:

4(1/2x + 2) = 6

1/2 x+2=6/4

1/2 x=3/2-2

1/2 x=(3-4)/2

x=-1/2×2=-1 is your answer

Answer:

-1 is your answer :)

Step-by-step explanation:

4(1/2x + 2) = 6

1/2 x+2=6/4

1/2 x=3/2-2

1/2 x=(3-4)/2

x=-1/2×2= -1

PLEASE HURRY! I WILL MARK BRAINLIEST!

The total profit function,​ P(x), for a company producing x thousand units is given by P(x)=−2x²+38x−120. Find the values of x for which the company makes a profit. [Hint: The company makes a profit when P(x)>0.] Explain and justify your answer.

Answers

Answer:

4 < x < 15.

Step-by-step explanation:

Solve -2x^2 + 38x -120 = 0 This gives x = 4 and x = 15. So the company makes a profit when the range of x is greater than 4 and less than 15. The graph of function is a flipped U which pass through x axis at 4 and x = 15. Above the x-axis is the area of profit.

what ia a right triangle?

Answers

a 90° angle i think???

Name
Use the given information to answer Problems 7-11.
Leon and Jacey work for a florist. They each program a drone
to deliver boxes of flowers to neighbors. With Leon's program,
he must manually attach the box to the drone. With Jacey's
the drone can pick up one box at a time from a pile.
program,
ram
Please help!!

Answers

Answer:

#7:  30 seconds On The Graph The Drone Has Not Moved and The Time Is At 30 Seconds :)

#8 : 20  Seconds On The Graph All The times go Up by 20 So that is the only Possible answer

#9: Leon Drone Is Faster Look At The Graph 60 Seconds = 10 Feet  And Jacey's Graph its 80 Seconds For 10 Feet And I could Go On

#10 The Time In Seconds

#11 With slow speed you can guarantee it will not be broken or damaged

I Hope This Helps :) Please Give Brainiest If It Makes Sense To You !

Thanks :)

simplify fully (9(x+7))÷(3(x-1))​

Answers

Answer:

3x + 60

Step-by-step explanation:

9(x + 7) ÷ 3(x - 1) =

9x + 63 ÷ 3x - 3 =

9x ÷ 3x + 63 - 3 =

3x + 60

Note: For the third equation which is 9x ÷ 3x and etc, you have to put alphabets and numbers at one side seperately to be able to simplify easily.

find each measurement indicated. Round your answers to the nearest tenth. Please SHOW WORK!!​

Answers

9514 1404 393

Answer:

  9) 39.7°

  10) insufficient information

  11) 20.0 in

  12) 19.0 m

Step-by-step explanation:

These Law of Sines problems are all worked the same way. For sides a, b, and opposite angles A, B, the relevant relationship is ...

  a/sin(A) = b/sin(B)

This gives rise to formulas for angle and side:

  A = arcsin(a/b·sin(B))

  a = b·sin(A)/sin(B)

If the longest given side is not opposite the largest given angle, there may be two solutions.

_____

9) B = arcsin(8/12.5·sin(87°)) = 39.7°

10) missing a side or angle; insufficient information

11) f = (5 in)·sin(70.4°)/sin(13.6°) = 20.0 in

12) p = (22 m)·sin(59°)/sin(180°-59°-24°) = 19.0 m

10(2x - 4) + 5 = 2x - 8

Answers

Step-by-step explanation:

10(2−4)+5=2−8

10(2x-4)+5=2x-810(2x−4)+5=2x−8

Solve

1

Distribute

10(2−4)+5=2−8

20−40+5=2−8

2

Add the numbers

3

Add 

35

3535

 to both sides of the equation

4

Simplify

5

Subtract 

2

2x2x

 from both sides of the equation

Cindy owns a plot of land measuring 630 yards wide by 987 yards long what is the area of the land in square yards, square feet, acres and square miles

Answers

Answer:

621,810 square yards

1,865,430 square feet

128.47 acres

353.30 square miles

Step-by-step explanation:

Since Cindy owns a plot of land measuring 630 yards wide by 987 yards long, to determine what is the area of the land in square yards, square feet, acres and square miles, the following calculations must be performed:

1 yard = 3 feet

1 square yard = 0.000206612 acres

1 yard = 0.000568182 miles

Square yards: 630 x 987 = 621,810 square yards

Square feet: 621,810 x 3 = 1,865,430 square feet

Acres: 621,810 x 0.000206612 = 128.47 acres

Square miles: 621.810 x 0.000568182 = 353.30 square miles

Find f'(x) for the given function.

f(x) = 5/3-x

Answers

Answer:

The derivative is:

[tex]f^{\prime}(x) = -\frac{5}{x^2-6x+9}[/tex]

Step-by-step explanation:

We are given the following function:

[tex]f(x) = \frac{5}{3-x}[/tex]

Derivative of a quotient:

Suppose we have a quotient:

[tex]f(x) = \frac{g(x)}{h(x)}[/tex]

The derivative is:

[tex]f^{\prime}(x) = \frac{g^{\prime}(x)h(x) - h^{\prime}(x)g(x)}{h(x)^2}[/tex]

In this question:

Numerator [tex]g(x) = 5, g^{\prime}(x) = 0[/tex]

Denominator [tex]h(x) = 3 - x, h^{\prime}(x) = -1[/tex]

So

[tex]f^{\prime}(x) = \frac{0(3-x) - 5}{(3 - x)^2} = -\frac{5}{x^2-6x+9}[/tex]

The derivative is:

[tex]f^{\prime}(x) = -\frac{5}{x^2-6x+9}[/tex]

Can I get some help on these two

Answers

9514 1404 393

Answer:

  cone: 138.16 in²

  pyramid: 352 m²

Step-by-step explanation:

Use the appropriate formula from your list of area and volume formulas.

Area of a Cone

  A = πr(r +h) . . . . . where r is the radius and h is the slant height

The radius is half the diameter, so is 4 inches.

  A = π(4 in)(4 in + 7 in) = 44π in² ≈ 138.16 in²

__

Lateral Area of a Square Pyramid

  A = 2sh . . . . . where s is the side length of the base and h is the slant height

  A = 2(8 m)(22 m) = 352 m²

CAN SOMEONE ANSWER THIS! Find the lateral surface area of the cylinder. Round your answer to the nearest hundredth. A) 315.04 in2 B) 370.62 in2 C) 395.84 in2 D) 408.92 in2

Answers

Answer:

C) 395.84 in^2

Step-by-step explanation:

I took the test

Select the correct answer.

Which formula gives the area of rectangle EFHG?
A. area = d × j
B. area = (e+h) × (d+l)
C. area = (e+h) × j
D. area = (e + h) × (f+C)

Answers

A is the answer i did it

C G
Write a quadratic function f whose zeros are -9 and 2
I

Answers

Zeros are -2 and -8
Functions are =-2 and -8
(X + 2) (X + 8)
X to the power of 2 + 8x + 2x+16
= x to the power of 2 + 10x + 16

Helps please is for now

Answers

Answer: do ur test ur self

Step-by-step explanation:


Measure of the missing angle?

Answers

Answer:

x=31°

Step-by-step explanation:

2x-7+x+4 = 3x-3

90+3 = 3x

93 = 3x

x = 93/3

x = 31°

The graph shows a residual plot of values from a line of regression. Use the plot to analyze the results of the correlation.

Answers

Answer:

B

Step-by-step explanation:

The diameter of the planet Mercury is 4.87×103 kilometers. The diameter of the planet Venus is 1.21×104kilometers. The diameter of the planet Earth is 1.28×104 kilometers. The diameter of Mars is 6.79×103 kilometers. Which planet has the smallest diameter?

Question 2 options:

Mars


Mercury


Venus


Earth

Answers

Answer: Venus

Step-by-step explanation:

Answer:

Mercury, then Mars

Step-by-step explanation:

Given diameters of planets:

Mercury ⇒     4.87 × 10³ km  =  4 870 kmVenus ⇒        1.21 × 10⁴ km  =    12 100 kmEarth ⇒          1.28 × 10⁴ km  =   12 800 kmMars ⇒           6.79 × 10³ km  =  6 790 km

Compared, we see the smallest value belongs to Mercury

The second smallest planet is Mars

If a student were going to write about their favorite food, they would want to include sensory language that focuses on. help please

Answers

Answer:

Here are the answers

Step-by-step explanation:

1. taste and smell

2. they allow the reader to feel as if he or she is in the story

3. touch

4. to make the writing more interesting and vivid, to provide greater detail to a narrative

Language Arts 6 B  Unit 7 Lesson 13

Students would want to include sensory language which describes in the solution part that focuses on writing about their favorite food.

What is sensory language?

Sensory Language is a word or words used to evoke mental imagery and help the reader visualize the tale or poetry. Imagery is a literary method that appeals to the reader's senses, whereas Sensory Language is a writing style and how writers utilize words to generate images for the readers.

When writing about their favorite food, a student might want to include sensory language that focuses on how the food looks, smells, tastes, feels, and sounds. This can help to paint a vivid picture for the reader and make the experience of reading about the food more immersive.

For example, if the student's favorite food is pizza, they might describe the golden, crispy crust; the savory, spicy tomato sauce; the gooey, melted cheese; the spicy sausage and bell peppers; and the satisfying crunch that it makes when they take a bite. They might also describe the way the warm, comforting aroma of the pizza fills the room as it cooks, or the way the different textures and flavors come together in each bite to create a satisfying and delicious meal. By using descriptive language that focuses on the senses, the student can help the reader to better understand and share in their love of the food.

Learn more about sensory language here:

https://brainly.com/question/28761616

#SPJ2

Pls help, i will give brainliest:
Consider the graphs which summarize the data on the number of hours per week of television viewing by two groups: 12-17 year-old Girls and 12-17 year-old Boys. Choose all that are correct.
The median for the girls is 16.
The median for the boys is 22.
The interquartile range for the girls is 28
The interquartile range for the boys is 16
The difference between the medians as a multiple of the IQR is 1/4

Answers

Answer:

a,b,e

Step-by-step explanation:

Answer:

B, D, E

OR

The median for the boys is 22

The interquartile range for the boys is 16

The difference between the medians as a multiple of the IQR is 1/4

Step-by-step explanation:

I just did it and got it right

Mark has, in his kitchen, the ingredients needed to prepare 78 different recipes with two ingredients

each. Of those 78 different recipes, there are no two recipes that share the exact same two ingredients.

How many ingredients does he have?

Answers

Answer:

13 ingredients

Step-by-step explanation:

The number of different recipes that can be made from 2 ingredients = 78

Since there are no two recipes that share the exact same two ingredients ;

The number of recipes in Mark's kitchen is:

nCk = 78

k = Number of ingredients per recipe = 2

n = total number of ingredients in kitchen

Total recipes made = 78

n! / (n-r)!r! = 78

n! / (n - 2)!2! = 78

n(n-1)(n-2)! / (n-2)! * 2 * 1 = 78

n(n - 1) / 2 = 78

n(n-1) = 156

n² - n = 156

n² - n - 156 = 0

Factorize :

n² - 13n + 12n - 156 = 0

n(n - 13) +12(n-13) = 0

(n-13) = 0 ; (n+12) = 0

n = 13 or n = - 12

n cannot be negative

Hence, n = 13

Number of ingredients is 13

Suppose f is a linear function such that f(4)= 8 and f(9)= 1. Find the equation for f.

Answers

solving for f(x) linear function i need help finding the equation to get those answers
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