Mathematics College

What is the answer pls for this is hard

Answers

Answer 1

Answer:

125.6 units = x

Step-by-step explanation:

---- = tan 37 degrees, so x = 72/(tan 37 degrees)

This comes out to x = 72/0.573 = 125.6 units = x

Related Questions

Pls help me if you can I really need help

Answers

Answer:

y = 1/10x

Step-by-step explanation:

We see that it intersects points (60,6), (120,12), and (0,0)

y = mx + b

m = 6/60 = 1/10

b = 0

y = 1/10x

What is the step by step equation to solve 5 (y + 2/5) = -13

Answers

5( y + 2/5) = -13

Distribute the 5 by multiplying the 5 by each term inside the set of parentheses:

5y + 2 = -13

Subtract 2 from both sides:

5y = -15

Divide both sides by 5:

Y = 3

The answer is y = 3

What is the perimeter of each figure?
2x
2x
X-8
x + 2
1

Answers

Answer:

triangle: 5x-8

square: 4x+8

Step-by-step explanation:

triangle: 2x + 2x + x -8

combine like terms

= 5x-8

square: x + 2 + x + 2 + x + 2 + x +2

combine like terms

= 4x + 8

Plsss help ASAP I need a good grade

Answers

Answer:

the answer is 4w-14=14 w=7

All the answers you need is at the top

Answers

Answer:

I don't know if you need help, but the answer to the question in the picture is indeed A. :)

Finding percents
1 is 25% of what number?

Answers

your answer should be 4 !!! :]

A straight road to the top of a mountain is 25,525 feet long and makes a 44° angle of elevation from the sea level

Answers

Answer: 17.7

Step-by-step explanation:

what is b - 3 + 6 - 2b ?

Answers

Answer:

your answer = -b+3

Step-by-step explanation:

I hope this helps you

Answer:

1b+9

Step-by-step explanation

simplify the question

6 + 3 =9 and b - 2b = 1b

=1b+9

Identify at least one confounding variable that undermines the conclusion drawn in the following fictional study:

Prof. Acosta was interested in which of two popular statistics textbooks (Statistics: It Will Change Your Life and Statistics: Bigger, Better, Stronger) was better for students. Prof. Acosta compared the two texts by assigning one text to a section of statistics taught by Prof. Agnew from 10 to 11 a.m. on Monday, Wednesday, and Friday, and the other text to a section of statistics taught by Prof. Alvarez from 7 to 10 p.m. on Wednesday evenings. At the end of the term, all students took the same comprehensive test. Students to whom Statistics: Bigger, Better, Stronger was assigned performed better on the test than did students to whom Statistics: It Will Change Your Life was assigned. Therefore, Prof. Acosta concluded that the former textbook was the better one.

Answers

Answer:

Identifying at least one confounding variable that undermines the conclusion drawn in the fictional study is:

All students took the same comprehensive test.

Step-by-step explanation:

In a study, an independent variable causes an effect on the dependent variable. But a confounding variable is the variable that influences the independent variable as well as the dependent variable. If this third variable is not controlled, it might lead the researcher to make a wrong estimate of the relationship that exists between the independent variable and the dependent variable.

Convert 8 weeks into days.
*Note: you must use these exact conversion factors to get this question right.
1 minute (min) = 60 seconds (sec) 1 week (week) = 7 days (days)
1 hour (hr) = 60 minutes (min)
1 month (month) = 30 days (days)
1 day (day) = 24 hours (hr)
1 year (year) = 365 days (days)
Answer:
days
Submit Answer
atte

Answers

Answer:

Tris-HCl (0.5M Tris Base, pH7.6):

Trizma Base ---------------------------------- 61 g

Distilled water ------------------------------- 1000 ml

Adjust pH 7.6 using concentrated HCl

Store this solution at room temperature. Dilute 1:10 with distilled water before use

and adjust pH if necessary.

20X Tris-HCl (1M Tris Base, pH7.6):

Trizma Base ---------------------------------- 122 g

Distilled water ------------------------------- 1000 ml

Adjust pH 7.6 using concentrated HCl

Store this solution at room temperature. Dilute 1:20 with distilled water before use

and adjust pH if necessary.

10X Tris-HCl-Tween 20 (0.5M Tris Base, 0.5% Tween 20, pH7.6):

Trizma Base ---------------------------------- 61 g

Distilled water ------------------------------- 1000 ml

Adjust pH 7.6 using concentrated HCl and then add 5 ml of Tween 20.

Store this solution at room temperature. Dilute 1:10 with distilled water before use

and adjust pH if necessary.

Note: Tris-HCl Buffer is used for specific cases of immunohistochemical staining.

*** OR you can use Tris Base to make Tr

What is the area of composite shape

Answers

Answer:

Step-by-step explanation:

Answer:

you must divide the shape into rectangles, triangles or other shapes you can find the area of and then add the areas back together.

Step-by-step explanation:

That is your step by step and yur answer

9 gal 1 qt - 5 gal 3 qt

Answers

If it’s in that order then it would be 4 gal -2 quart, but if it’s not to be in an order it would be 4 gal and 2 qt

write the fraction or mixed number as a percent.
5/6

Answers

5/6 as a percent is 83.33%

A and B are complementary angles. If m_A= (2x + 10)° and m
ZB = (3x + 15)°, then find the measure of ZB

Answers

Step-by-step explanation:

<A + < B = 90° { being complementary angles)

2x + 10° + 3x + 15° = 90°

5x = 90° - 15° - 10°

5x = 65°

x = 13°

Now

<B = 3x + 15° = 3 *13° + 15° = 54°

Hope it will help :)

Solve the system of equations -6x+y=-21 and 2x-1/3y=7. What is the solution to the system of equations

Answers

Answer:

Infinite number of solutions

Step-by-step explanation:

Write these equations in a column:

-6x+y=-21

2x-1/3y=7

Use elimination by addition and subtraction. Start by multiplying the 2nd equation by 3, obtaining:

-6x+y=-21

6x - y= 21

----------------

0 - 0 = 0

There are an infinite number of solutions. The two equations shown immediately above are multiples of one another.

Explain how to do (2^-2/3^3)^4 i need to know how to do this.

Answers

Answer:

((2^(-2))÷(3^3))^4=

Step-by-step explanation: expand

Can someone plz help

Answers

Answer:

Step-by-step explanation:

x = 100° ( being vertically opposite angles )

hope it helps :)

X equals 100 degrees
May I please have brainliest?

What is the value of x in the equation X - 2.6 = 1.8?

Answers

Step-by-step explanation:

Given

x - 2.6 = 1.8

x = 1.8 + 2.6

x = 4.4

Hope it will help :)

Answer:

1.8+2.6=x

x=4.4 is the answer

Are they all right? If not please tell me what the answers are. Thanks! (Math)

Answers

Answer:

yes the all are right.

Step-by-step explanation:

Yeah they’re all correct. I hope u get a good grade

Hello! I’m struggling with this question just if someone could help me!

Answers

Answer:

Assuming the question is about the area of the "house" it's 70.

Step-by-step explanation:

The triangle's height is 18 - 10 = 8

The area of the rectangle is 5 * 10 = 50

The area of the triangle is 5 * 8 / 2 = 20

The total area is 50 + 20 = 70

- 2x – 117 = = 10x + 59

Answers

Answer:

[tex]\huge\boxed{x=-\dfrac{44}{3}=-14\dfrac{2}{3}}[/tex]

Step-by-step explanation:

[tex]-2x-117=10x+59\qquad|\text{add 177 to both sides and subtract}\ 10x\ \text{from both sides}\\\\-2x-10x-117+117=10x-10x+59+117\\\\-12x=176\qquad|\text{divide both sides by (-12)}\\\\\dfrac{-12x}{-12}=\dfrac{176}{-12}\\\\x=-\dfrac{176:4}{12:4}\\\\x=-\dfrac{44}{3}[/tex]

PLS HELP ASAP GIVING BRAINLIEST

PLZPLZPLZPLZPLZPL

Answers

1.5 im sorrry again if im wrong:(

Step-by-step explanation:

im sorry if i am wrong

Answer:

178.64 square cm

Step-by-step explanation:

5.8 x 8.8 x 2 = 102.08

8.8 x 8.7 = 76.56

76.56 + 102.08 =

178.64

Hope that helps!

What is the greatest common factor of the terms in the expression 21 x minus 18 x + 28 x y?33xxxy

Answers

Answer:

Its actually x

Step-by-step explanation:

i just did the quiz

Answer:

it is x

Step-by-step explanation:

If the area of a triangle is 2x2−2x−4
and it has a height of x−2
write the length of the triangle.

Answers

Answer:

Step-by-step explanation:

area = ½(base)(height) = 2x²-2x-4

½(base)(x-2) = 2x²-2x-4

½(base) = (2x²-2x-4) ÷ (x-2) = 2x+2

base = 4x+4

there can be more than 1 please help i need this

Answers

Answer:

ye 2 answers

250+25t and 25(10+t)

Step-by-step explanation:

10 students

each pays 25 dollars

t is unknown

piece it together

How is Pythagorean theorem and geometric mean related?

Answers

Answer:

The two triangles formed are also similar to each other. The measure of the altitude drawn from the vertex of the right angle to the hypotenuse is the geometric mean between the measures of the two segments of the hypotenuse.

Step-by-step explanation:

28 is 50% of what number?

Answers

Answer:

its 56

Step-by-step explanation

50% × x = 28 or, 50 100

× x = 28

Multiplying both sides by 100 and dividing both sides by 50,

we have x = 28 ×

100

x = 56

If you are using a calculator, simply enter 28×100÷50, which will give you the answer.

Given y - 2 = 4(x + 1), the equation in slope-intercept form is
Do not include spaces in your answer

Answers

Answer:

Write in slope-intercept form,

y =mx+bxy=4x+6

Step-by-step explanation:

Answer:

y=2x+5

Step-by-step explanation

Replied to your comment lol

PLEASE HELP!!!!⚠️
the last equation is “3/5x=12” if you can answer that as well thank you.

Answers

Answer:

x=20

Step-by-step explanation:

How to solve these, you divide the number multiplied by x by both sides.

1. Divide 2/3 by both sides, and you get y = 30.

2. Divide 0.2 by both sides, and you get x = -80

3. Divide 0.8 by both sides, and you get n = 2.5

4. Divide 3/4 by both sides, and you get m = 16

5. Divide -0.4 by both sides, and you get k = -70

6. Divide 3/5 by both sides, and you get h = -10

7. Divide -0.5 by both sides, and you get y = 40

8. Divide 3/5 by both sides, and you get x = 20

I hope this helped! For the fractions, just divide the fraction and divide by both sides with the decimal, and you will get the answer!

In the figure below, m ADB = 268°. Find m ZACB.

Answers

Answer:

Step-by-step explanation:

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