Please help!!! i’ll give brainless and 10 points if that helps persuade

Answers

Answer 1

Answer: obtuse, acute, right angle

Answer 2

Answer: You can name the angle based on its vertices.

Answer: ⎳Y, ⎳XYZ, ⎳ZYX

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Find the quotient of 5/31 divided by 15/23. Reduce your answer to the lowest fraction
The quantities x and y are proportional. If x is 3 and y is 9, find the constant of proportionality (r) in the equation y = rx. A) 1 B) 2 C) 3 D) 4
If 1/4 in. represents 1 ft. what distances are represented by lines of the following lengths: 2 in., 5 in., 1 1/2 in., 2 2/3 in., 4 7/8 in.?

How many times does 5 go into 2000000?

Answers

All we have to do is divide 2,000,000 by 5
lets do the math :P
2,000,000 ÷ 5 = 400,000

Answer = 400,000 times

The diameter of the Sun is approximately 1,400,000 kilometers, while the diameter of Saturn is approximately 1.2 x 105kilometers. How many kilometers larger is the diameter of the Sun than the diameter of Saturn?a) 1.28 times 10 to the sixth power
b) 1.52 times 10 to the sixth power
c) 1.28 times 10 to the seventh power
d) 1.58 times 10 to the seventh power
(Times means multiply since I have no multiplication sign on my computer)

Answers

Answer:

R = diameter of Sun / diameter of Saturn

R = 1.4E6 / 1.2E5 = 11.6 ratio of diameters

diameter (Sun - Saturn) = 10^6 ( 1.4 - .12) = 1.28 * 10^6

Apparently looking for answer (a)

The ratio of boys to girls in a group is 7:2. If there are 65 more boys than girls, work out how many boys there are.

Answers

Answer:

91 boys

Step-by-step explanation:

Given that the ratio of boys to girls = 7 : 2 = 7x : 2x ( x is a multiplier )

There are 65 more boys than girls , thus

7x = 2x + 65 ( subtract 2x from both sides )

5x = 65 ( divide both sides by 5 )

x = 13

There are 7 × 13 = 91 boys in the group

低于当地人民：或立场上有一些事情了！儿女情长的好了吗我想做出

Please help out i’m stuck please and thank you

Answers

Answer: y = (4/3)x + 2

======================================================

Explanation:

The given equation is y = (-3/4)x - 2. Comparing it to y = mx+b, the slope is m = -3/4

Flip the fraction and the sign to go from -3/4 to 4/3. This is the perpendicular slope. Multiplying the two slopes gets (-3/4)*(4/3) = -1.

Rule: the original slope and perpendicular slope always multiply to -1, assuming neither line is vertical or horizontal.

We'll use the point (x,y) = (3,6) and the perpendicular slope m = 4/3 to find the y intercept b

y = mx+b

6 = (4/3)(3) + b

6 = 4+b

6-4 = b

2 = b

b = 2

The y = mx+b equation becomes y = (4/3)x + 2 which is the slope intercept form of the perpendicular line.

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Extra info:

If you want to convert to standard form Ax+By = C, then you could do the following steps

y = (4/3)x + 2

3y = 4x + 6 ... multiply everything by 3 to clear out the fraction

3y - 4x = 6

-4x + 3y = 6

4x - 3y = -6 ... multiplying both sides by -1; this is to make A > 0

Choose the correct graph of the given system of equations.y + 2x = −1
3y − x = 4

graph of two lines that intersect at the point (negative 1, 1)
graph of two lines that intersect at the point (1, 1) < Not
graph of two parallel lines with positive slopes
None of the above

Answers

Answer: Graph of two lines that intersect at the point (negative 1, 1).

Step-by-step explanation:

The given system of linear equations :

$y+2x=-1---------(1)\n\n3y-x=4-------------(2)$

Multiply equation (1) by 3 , we get

$3y+6x=-3-------------(3)$

Subtract equation (2) from (3), we get

$6x+x=-3-4\n\n 7x=-7$

Divide both sides by 7 , we get

x=-1

Put value of x in (1), we get

$y+2(-1)=-1\n\n y-2=-1\n\n y=-1+2=1$

⇒ both lines are intersecting at (x,y)=(-1,1)

∴ The correct graph of the given system of equations : graph of two lines that intersect at the point (negative 1, 1)

Answer:

(-1,1) One solution

Step-by-step explanation:

Use these steps for the equations:

1) Rewrite the equation in slope intercept form.

2) Graph the first equation.

3) Graph the second equation.

4) Identify the point of intersection.

Help please!!To solve the problem tan^-1(cos(pi/2)) find the angle in the interval [-pi/2, pi,2] whose tangent equals 0.

Answers

The cosine of pi/2 is 0 so the problem really says "find the angle between - pi/2 and pi/2 whose tan = 0. That would be the same as asking for the angle whose sin is 0. That would be 0.

I hope my answer has come to your help. Thank you for posting your question here in Brainly. We hope to answer more of your questions and inquiries soon. Have a nice day ahead!

Answer:

The angle is 0°.

Step-by-step explanation:

Consider the provided trigonometric function.

$tan^(-1)(cos(\pi)/(2))$