Anyone able to help me with this math please?
I dont really understand how to do it so an explanation would be awesome!

Answer:

Step-by-step explanation:

we can write -9 instead of x and y=1 instead of 1

so we write solution again

-9a+1b=-31

-9a-1b=-41

-18a=-72

a=4

we should write 4 instead of a

-9(4)+1b=-31

-36+b=-31

b=5

a=4

Answer:

9 : 3

Step-by-step explanation:

To get from 21 to 3 we divided 21 by 7, therefore we have to do the same to the other side and so we get...

63 / 7 = 9

Therefore 63 : 21 = 9 : 3

The distance between two people or the distance of the adjacent is 150 ft.

We know a right-angled triangle has three sides they are -: Hypotenuse,

Opposite and Adjacent.

We can remember SOH CAH TOA which is,

sin = opposite/hypotenuse, cos = adjacent/hypotenuse and

tan = opposite/adjacent.

The distance of the string can be thought of as a hypotenuse which is 300 ft long.

The angle it is making with the hypotenuse is cosine 60° and the distance they are apart can be thought of as an adjacent.

Therefore, cos = adjacent/hypotenuse.

cos60° = adjacent/300.

1/2 = adjacent/300.

adjacent = 300/2.

adjacent = 150 ft.

Q. Two people are standing in a field. One person is flying a kite with a string that is 300 ft long. When the kite is directly above the second person, the cosine value of the angle made by the string and the ground is

60°, How far apart are the two people?

learn more about trig ratios here :

https://brainly.com/question/14977354

#SPJ2

What question do you need to get or is it all?

Answer:

$250

Step-by-step explanation:

Answer:

19.33 ft

Step-by-step explanation:

This analogy has to do with Pythagoras theorem.

We're given our angle of elevation to be 46°, and told that the height of the building to be 20 ft. Using Pythagoras theorem, we know that the given height is opposite to the angle of elevation, and thus, the required distance is adjacent to it.

Sin 46° = opp / hyp

Sin 46° = 20 / hyp

hyp = 20 / sin 46

hyp = 20 / 0.719

hyp = 27.82 ft

We've gotten the length of the ladder, our hypotenuse, to be 27.82. It's tied length we'd then use top find the needed length.

Cos 46° = adj / hyp

Cos 46° = adj / 27.82

adj = 27.82 * Cos 46

adj = 27.82 * 0.695

adj = 19.33 ft

Therefore, the required length is approximately equal to 19.33 ft

Answer:

1, 3, and 4 which means 2 is the answer.

Step-by-step explanation:

Answer:

the first option (3 units to the right of 0)

Step-by-step explanation:

-3 on a number line is 3 units behind 0, which is to the left

Answer:

The answer to this one could be 8.2 for x

Step-by-step explanation:

Hope this Helped

Answer:

O X 24

Step-by-step explanation:

i think this is the right answer

Answer:

Step-by-step explanation:

I just answered this for someone else... here is the same answer I gave them

QR + RS +SQ = perimeter

2(XR) + 2(YS) + QS = perimeter ( b/c multiplication is communicative  SQ=QS)

2*5 +  2 * 7 + 20 = perimeter

10 + 14 + 20 = p

44 = p

Answer: 1000 in.

Step-by-step explanation:

Given

The dimension of the small cube is [tex]1\ in.[/tex]

No of the cubes is [tex]10^6[/tex]

If the small cubes are arranged on the floor

The area of the cubes is

[tex]\Rightarrow 10^6\times 1^2\ in.^2[/tex]

Suppose the side length of a large cube is a

[tex]\therefore a^2=10^6\times 1^2\\\\\Rightarrow a=1000\ in.[/tex]

Answer:

The legs of right triangle are of 17 units

Step-by-step explanation:

The two points are as follows -

Point A ( -3, 2)

Point B (12, 10)

The distance between the two points is as follows -

[tex]\sqrt{(12-(-3))^2 + (10-2)^2} \\\sqrt{225 + 64} \\17[/tex]

The legs of right triangle are of 17 units

Step-by-step explanation:

Wait, what are you trying to ask?

Answer:

Step-by-step explanation:$4.50+1.75/40=6.4

the answer is A plus or minus square root of 50

Answer:

5 times is the answer

Answer:

x1= -5

x2= 2

Step-by-step explanation:

Answer:

it b7857575757575757575757575775757575757577575757575757575757756886868686979708

Step-by-step explanation:

uhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhhh

Answer:  1e+12

Step-by-step explanation:

Answer:

[tex]1000000 \times 1000000 \\ = 1000000000000[/tex]

It's 1 Million *1 Million

=1 Trillion (According to USA)

Answer:

10π inches

Step-by-step explanation:

C = 2πr

C = 2π(5)

C = 10π ≈ 31.42

Answer:

t<80°

Step-by-step explanation:

if the value is less than, use <

Answer:

It should be S+14. :)

Step-by-step explanation:

It is because it says it rained 2 more inches each day, so you simply count by 2, 7 times to reach your answer of 14. HOPE THIS HELPS U! :}

Answer:

Step-by-step explanation:

First, you have to find the total number of socks. The total is 14. Now, since you choose 2 socks out of 14 in total, the probability is 2/14 or about 14%. To find the percent, just divide the numerator by the denominator. The answer you get is in decimal form. Multiply the decimal by 100. Then, there is your percent.

Answer:

B. 17 in.

Step-by-step explanation:

2l + 2w = 72

2l + 2(19) = 72

2l + 38 = 72

2l = 34

l = 17

Hope this helps!

C

You just gotta read the graph. Chocalate is 10, Hard Candy is 13 and Chewy is 9

Answer:

it is actually b beacuse hard candy on the graph is 12.5 not 13!

Step-by-step explanation:

l4ynhrnhebegbyev3tv3tv3tv3g 3f eg ef ev3tv3tv

Answer:

5.-90+0=-90

Step-by-step explanation:

Answer:

C. -1 is less than x

Step-by-step explanation:

-3 < 4x + 1

-3-1 < 4x +(1 -1)

-4 < 4x

-4/4 < 4x/4

-1 < x