Mathematics High School

please help with maths !

Please Help With Maths !

Answers

Answer 1

Answer:

4.91

Step-by-step explanation:

trying to find adjacent, you know the angle and hypotenuse, so use the CAH equation

cos(51) x 7.8 = 4.91 (3 s.f.)

Answer 2

Answer:

use Pythagoras theorem for this question because this is a right angled triangle

Related Questions

PROOFS !! help me fill in the blanks

Answers

Answer:

this making ur email.... I think we shouldn’t be doing this. People can get into ur account .

‘Anyways, all u need to do is put ur real first name, last name, make a password THAT NO ONE SHOULD KNOW, confirm it again, and make ur email. DONT SHARE INFO WITH OTHERS

Function or not a function?

Answers

function, find the x intercept/ zero
move variable to the left
divide both sides

Identify whether the representation is a function or not a function.




Function

Not A Function

Answers

Not a function because it’s going down

Please help!!

At first, there were 930 women and men at a funfair altogether. After 4/5
the women and 1/2
of the men had left, a total of 360 men and women
remained at the funfair. How many women were there at the funfair at first?

Answers

There was 645 womens at first

Write the ratio 32 : 24 in its simplest form

Answers

Answer:

4:3

Step-by-step explanation:

because 32:24 simpified is 4:3

Please help me please help with this questions ASAP

Answers

Answer:

I believe the answer is 3. Im not sure so sorry if you get it wrong

Sole using distributive property 2(x-3

Answers

Answer:

2x-6=0

2x=6

x=6/2

x=3

..

Select the correct answer. Gas station A has posted a chart that shows the price of gasoline in terms of the number of gallons. Gallons Price 3 9.15 5 15.25 7 21.35

Answers

3.05 per gallon for gas station a

I’m pretty sure the answer is 3.05 per gallon

20 POINTSSS!!
Which of the following sets of Real Numbers are Counting Numbers?

A. { 0, 1, 2, 3, 4, 5, 6, 7, 8, 9 }
B. { 1, 2, 3, 4 ... }
C. { 0, 1, 2, 3, 4 ...}
D. { ...-2, -1, 0, 1, 2 ... }

Answers

Answer:

option D. {......-2, -1, 0, 1, 2 ......}

Select all ordered pairs that satisfy the function below.
A. (0,10)
B. (4,3)
C. (12,-1)
D. (1,8)

Answers

Answer:

B and C

Step-by-step explanation:

A, when x = 0, y = 5

B, when x = 4, y = 3

C, when x = 12, y = -1

D, when x = 1, y = 9/2

Your answer is B and C

Is this answer correct?

Answers

yes it is goodjob sue
Y1=4 Y2=1 X1=2 X2=5 this should be the correct answer

Which of the following is a radius of D?

Answers

Answer:

Hi! Please comment down below what is the following so I can give you a better explanation. Or please repost the question with a picture of the expressions or such. Thanks have a wonderful day. - K

Answer the question below. Type your response in the space provided.
A cube with a volume of 64 cubic meters is scaled by a factor of 5. What is the volume of the
modified cube in cubic meters? (Note: do not include the units in your answer.)
Clear
X Incorrect. When the sides of the cube are scaled by a factor of k = 5) the volume increases
by a factor of k = 52 = 125. Here, the new volume is 64 cubic meters 125 = 8,000 cubic
meters. Enter the correct answer

Answers

Answer:

i have no clue

Step-by-step explanation:

Answer:

you have to only put "8000"

Step-by-step explanation:

bcs i said so

2x - 1 1/2 = 31

solve the equation for the variable

Answers

Answer:

x=16 1/4

Step-by-step explanation:

is that a 11/2 or a 1 1/2? the answer i put was for 1 1/2

Answer:

x=16 1/4

Step-by-step explanation:

2 - 1/2 = 1/2

31 / 1/2 = 15 1/2

Check Answer:

(2 x 16 1/4)- 1 1/2

32 1/2 - 1 1/2

=31

Sooo:

x=16 1/4

Find the area of a circle in feet with the radius being 3'.

Answers

Answer:

28.27 ft²

Step-by-step explanation:

[tex]A=\pi r^2[/tex] where [tex]r[/tex] is the radius

Plug in 3 for the radius

[tex]A=\pi (3)^2\\A=9\pi[/tex]

[tex]A=28.27[/tex] (approximate answer when rounded to the nearest hundredth)

Therefore, the area of the circle is 28.27 ft².

I hope this helps!

Answer:

exact area: 9 ft²

approximate area: 28.3 ft²

Step-by-step explanation:

An area cannot be in feet. It must be in a square unit such as square feet.

A = r²

A = ()(3 ft)²

A = 9 ft²

A = 9(3.14159) ft^2 = 28.3 ft²

Answer:

exact area: 9 ft²

approximate area: 28.3 ft²

15h - 4 = 6
Two step problem

Answers

Answer:

h = 10/15

Step-by-step explanation:

Isolate the variable, h. 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 operation, and stands for:

Parenthesis

Exponents (& Roots)

Multiplication

Division

Addition

Subtraction

First, add 4 to both sides of the equation:

15h - 4 (+4) = 6 (+4)

15h = 6 + 4

15h = 10

Next, divide 15 from both sides of the equation:

(15h)/15 = (10)/15

h = 10/15 or 0.667 (rounded)

Please please help me

Answers

I believe the answer is G

What is the area of the right trapezoid?
A) 28 square inches
B) 35 square inches
C) 56 square inches
D) 70 square inches

Answers

Answer:

c

Step-by-step explanation:

because are of trapizium =( a+b/2) × h

PLEASE HELP ILL GIVE BRAINLIEST!!n triangle ABC, determine the length of the altitude to segment BC.

Answers

Answer:

7V3

In triangle ABC, the measure of angle A is 60°, the length of BC is 7V3, and the length of AC is 7V2.

Step-by-step explanation:

Look at this graph: 100 90 70 60 50 40 30 20 10 0 30 50 60 70 What is the slope? Simplify your answer and write it as a proper fraction, improper fraction, or integer.​

Answers

Answer:

Step-by-step explanation:

Nose amigo si supiera te ayudaría mucho

Answer:

Save your graph and ask the question again, I don't understand.

Step-by-step explanation:

45 is what percent of 60​

Answers

Answer:

75%

Step-by-step explanation:

[tex]\frac{x}{100} = \frac{45}{60}[/tex]

45 x 100 = 4,500

4,500 divided by 60 = 75

please help!!! i'll mark you brainliest
20 points (maths)

Answers

Answer:

25,0000000000000pmc squared

Step-by-step explanation:

because it's math.

A pair of shoes is on sale for 30% off. The original price is p. Which expression can be used to find the price of the shoes after the discount? 0.30p 0.70p 1.30p 30p​

Answers

Answer:

0.30p

Step-by-step explanation:

(px30)/100=0.3p

Answer:

0.70 p

Step-by-step explanation:

If the item is 30% off, the new price is 0.7p because we want to know how much 70% of the original price was.

write the fraction as a decimal and a percent 5/8 equals what and equals ?%​

Answers

Answer:

0.625

62.5%

Step-by-step explanation:

5/8 = 0.625

.625 = 62.5%

Answer:

.625   /    62.5%

Step-by-step explanation:

hope this helps :)

ASAP EASY!!!! IS THIS WRONG??? ILL MARK BRAINLIEST!!!!

Answers

Answer:

No it's not wrong

Step-by-step explanation:

Yes it’s true because it is showing the right thing

Pls help Pls help Pls help Pls help Pls help ILL GIVE BRAINLIEST

Answers

Answer:

I cant see the picture it blocked for some reason probally my pc.

Step-by-step explanation:

K=?

Can you also explain so I can try it by my self with a similar one.

Answers

Answer:

k = 10.39

Step-by-step explanation:

tangent 30 = opposite side / adjacent side, opposite side = 9, adjacent side = k + 3sqrt3.

tan 30 = 9/(k + 3sqrt3)

0.5774 = 9/(k + 3sqrt3)

k + 3sqrt3 = 15.5885

k =  15.5885 - 3sqrt3

k = 10.392

i need help ASAP please answer these questions! ASAP

Answers

16 is the answer BRAINEST plz

Step-by-step explanation:

12=3/4

12÷3=4

4/4 = 16

a square has a side length of (x-7) a what is the area?

Answers

Answer:

4x+28

Step-by-step explanation:

Select the right answer?

Answers

Answer:

opposite sides are parallel

Answer:

Option A.) All 4 sides are congruent.

Step-by-step explanation:

Because this chapter is related to Rhombus.

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