Mathematics High School

someone help me please

Answers

Answer 1

Answer:

Step-by-step explanation:

cos 49=x/27

27 cos 49= x

x = 17.7

approximately 18

Related Questions

Please answer this for me correctly. There are two questions. THANK YOU!!

Answers

Answer:

the second one is 57

the 1st is JIL

Thanks For Brainlist

This is just the first pic of the problem I’m posting the second one right after this

Answers

Answer:

A. rise = 4, run = 1, slope = 4

B. rise = 8, run = 2, slope = 4

C. A (Yes, they are equal because similar)

Step-by-step explanation:

i hope this is right

Determine if the following conclusion is valid. Why or why not?
To determine whether students will attend an arts festival at the school, Salina
surveys his friends in the art club. All of Salina's friends plan to attend, so she
assumes that all of the students at the school will also attend.
No this is a voluntary response sample so the sample is biased
2.
Yes, this is a simple random sample so the sample is unbiased
Yes, this is a cluster sample so the sample is unbiased
No this is a convenience sample so the sample is unbiased
Question 12 11 noint)

Answers

Answer:

The first option

Step-by-step explanation:

It is biased as her friends are all more likely to go considering how involved she is with it.

Tanya used 3/4 cup of flour to make 1/2 batch of muffins ?

Answers

Answer:

whats the full question?

Step-by-step explanation:

The answer is C.

Andrea uses 9.8 pints of white paint and blue paint to paint her bedroom walls. 1 4 of this amount is white paint, and the rest is blue paint. How many pints of blue paint did she use to paint her bedroom walls?

Answers

Answer:

7.35

Step-by-step explanation:

Andrea uses 9.8 pints of white and blue paints to paint her bedroom walls

1/4 of this amount is white paint

= 1/4 × 9.8

= 0.25×9.8

= 2.45

Therefore the amount of blue paint can be calculated as follows

9.8-2.45

= 7.35

Hence 7.35 are blue paint

Find the volume of a right circular cone that has a height of 19.1 cm and a base with a radius of 13.6 cm. Round your answer to the nearest tenth of a cubic centimeter.

Answers

Answer: 3699.5 cm3

Step-by-step explanation:

Anyone know this brainliest

Answers

Answer:

Step-by-step explanation:

You can use the law of cosines. The answer is 0.

Hope this Helps!

What’s the value of x?

Answers

answer

2x =10

÷2. ÷2

× = 5

PLEASE HELPP!!! I don’t know how to do this

Answers

Answer:

773.8 inch²

Step-by-step explanation:

Find the surface area at first

the top and bottom = 6²π = 36π

around is circumference x by height = 12π x 15 = 180 π

multiply these by 3/4

top = 27π

bottom = 27π

around = 135π

add the two rectangles = 180 inch²

Total = 773.8

find the surface area of a rectangular prism with dimensions 5 ft 6 ft 7 ft

Answers

Answer: 214 sq ft

Step-by-step explanation:

A=2(wl+hl+hw)=2·(6·5+7·5+7·6)=214

Answer:

214 ft

Step-by-step explanation:

hope this helps

hello please help i’ll give brainliest

Answers

Answer: The answer is D

Step-by-step explanation: It is the only option that makes sense to me.

Answer:

i need points

Step-by-step explanation:

guys help me please

Answers

Answer:

what's the question?............

Quadrilaterals A and B are similar.
Find the values of the sides marked
x
,
y
:

Answers

Answer:

x = 17.5

y = 5

Step-by-step explanation:

Similar means that corresponding angles (same colors in this case) are the same. Rotate the 2nd figure on the right in your mind until the angle label colors fit the 1st figure, just so you can tell what's what. Then you can create ratios with corresponding sides that include only one of the unknowns. So 1st we use

x/7 = 15/6

x = 15/6 * 7

x = 17.5

and

y/12.5 = 6/15

y = 6/15 * 12.5

y = 5

Evaluate the equation: e - 3.1 = 5

A. e = 1.9

B. e = 2.1

C. e = 8.1

D. e = 8.5

Answers

Answer:

C. e = 8.1

Step-by-step explanation:

e-3.1= 5

e = 5+3.1

e = 8.1

¿A qué aumento único equivalen tres aumentos sucesivos del 5%, 10% y 20%? SoLución por favor

Answers

Respuesta:98%

Explicación pasto a paso: Sumaremos la cantidad indicada con el 100%. Por ejemplo: 10%+100%= 110%

Entonces:

110/100 × 120/100 × 150%= 198%

Luego restamos: 198% - 100%= 98% Respuesta: Aumento único= 98%

Trey bought 3 and 3 fourths pounds of apples from the grocery store. Corinne bought 1 and 1 third pounds of grapes from the grocery store. How many more pounds of fruit did Trey buy

Answers

Answer: 2 5/12

Step-by-step explanation:

Trey bought 3¾ pounds of apples from the grocery store. Corinne bought 1⅓ pounds of grapes from the grocery store.

To know how many more pounds of fruit that Trey bought, we have to find the difference between the value given above and this will be:

= 3¾ - 1⅓

= 3 9/12 - 1 4/12

= 2 5/12

Trey bought 2 5/12 pounds more.

a triangle has a side length of 5.4 and 7 x x=

Answers

Answer:

D. 8.8

Step-by-step explanation:

As the pythagorean theorem.

A² + B² = C²,

5.4 × 5.4 + 7 × 7 = C²,

29.16 + 49 = C²,

78.16 = C²,

8.8 ≈ C

Wilson cut open a packing box that was shaped like a
rectangular prism to see the net. What shapes did Wilson
see?

Answers

Answer:

a square and a rectangle

Step-by-step explanation:

HELP ASAP

Find an expression which represents the sum of (6x - y) and (7x - 7y) in simplest terms.

Answers

Answer:

6x-y+7x-7y

6x+7x-y-7y

13x-8y.

estamate the value of y when x = 2.5

Answers

Answer:

There should be a rule

Step-by-step explanation:

Replace the x values from the question with the rule given and you will get your answer

Kaylie is making miniature stairs for her model of an office building. How much plaster does she need?

Answers

How big are the actual stairs in the office building? To make a scale model you first need to know the dimensions of the original model.

4 cousins share 3 pies

Answers

Answer:

1.33

Step-by-step explanation:

Answer:

cut each pie into quaters and then give each cousin three pieces.

4/3.

Step-by-step explanation:

Part A: Mike wants to join a gym. He has to pay an initiation fee of $16 and equal monthly payments for the year. The most he wants to pay is $580 for the year for his gym membership. a.) Write an inequality that you can use to determine the most he would want to spend for his monthly payments.

Part B: Now use your inequality from 15a to determine how much Mike’s monthly gym payment can be if the most he wants to pay is $580 for the year for his gym membership..

Answers

Answer:

Part A: [tex]12x+16\leq 580[/tex]

Part B: $47 per month

Step-by-step explanation:

Part A: 12 months in a year. Pays x amount of $ per year, with an additional $16 initiation fee. He wants to spend less than $580 total a year. Thus, [tex]12x+16\leq 580[/tex].

Part B: Solve the inequality for x.

$580 - $16 = $564

x = $564/12 = $47

Hope this helps! :)

Find f(-5) if f(x) = x+ 11.
06
05
04

Answers

f(-5) is 6 if f(x)=x+11, just trying to answer in the question format.

Find the missing length to the nearest tenth using the Pythagorean Theorem.
a = ?, b = 10, c = 12

Answers

5 I’m not the best at math but counting to the nearest tenth that should be answer or 0

please i’m trying to help my gf work i’m in 8th i’ll give you brainliest

Answers

Take a better pic and i will explain in comment

Answer:

here is ur answer.....

hope it helped u and ur gf......

please helppp

Solve with ratio sin(30) to solve the missing side length x. Round to the nearest tenth

Answers

Answer: x=5

Explanation:
sin=opposite side/hypotenuse
The opposite side is x and the hypotenuse is 10.
So your equation is: sin(30)=x/10
In order to get x by it self times ten to each side of the equation.
10 x sin(30)= x
Put 10 x sin(30) into graphing calculator and make sure your calculator is set to degrees.
Your answer:
5= x

Work on paper:

Answer:

we have

sin30=perpendicular/hypotenuse

1/2=x/10

x=½×10=5

x=5

is your answer

Is -2 rational or irrational?

Answers

Answer:

Rational

Step-by-step explanation:

Rational. It can be expressed as a fraction, which is the definition of a rational number.

Hope this Helps!

-2 is rational

This is because every negative integer is a negative rational number.

We know that -1 = -1/1, -2 = -2/1, -3 = -3/1, -4 = -4/1 and so on …….

In other words, any negative integer n can be written as n = n/1, here n is negative and 1 is positive.

So, negative 2 is rational.

In Oo, mCA= 100 and ABCD.
What is mBD?
mBD

Answers

Answer:

arc BD = 100

Step-by-step explanation:

arc BD = arc CA because ∠AOC = ∠BOD (vertical angles)

arc BD = 100

1. Annette scored 85. 73. and 94 on her first three quizzes. How high does she need to
score on her fourth quiz to keep her quiz average at at least a B (8046) ?

Answers

64. 80x4=320. 80 is a b average. 320-252=68. 252 is the total of her current grades.

Answer:

at least a score of 68

Step-by-step explanation:

(85+73+94+q)/4 ≥ 80

(252 + q)/4 ≥ 80

multiply each side by 4 to get:

252 + q ≥ 320

q ≥ 68

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