Mathematics High School

Solution or not a solution

and because

Answers

Answer 1

Step-by-step explanation:

X + Y = -3

X + 3x +5 = -3

X=-2

X+Y=-3

Y=-3+2

Y=-1

Related Questions

Which statement is true? *
none of the other choices
sin 50° = cos 40°
sin 50° = tan 50°
sin 50° = tan 40°
sin 50° = cos 50°

Answers

Sin 50= cos 40 is true

Answer:

sin 50=cos 40 is true statement.

Anyone know how to do this?

Answers

Answer:

yes its B mark brainliest please

Step-by-step explanation:

IT IS

Which of the following expressions are equivalent to (25)-7 · 24?

Answers

Answer:

where is the following, or is it not multiple choice?

Step-by-step explanation:

Answer:

432 will be your answer

Step-by-step explanation:

A possible expression could be

18 x 24

I would appreciate the options.

Pls help me this is very important

Answers

Answer:

No because they have different slopes

Step-by-step explanation:

(1 , 2) and (2, 4)

Slope:

m=(y2-y1)/(x2-x1)

m=(4-2)/(2-1)

m = 2

This is for today someone help me pls!!!!

Answers

Answer:

Part A: The third angle is 20°

Part B: The height of the building is 137.3738m (round to whatever is wanted)

A rectangular prism is 20 yards long and 9.4 yards wide. Its volume is 3,384.0 cubic yards. What is the height of the rectangular prism?

Answers

5,6930 I did the work

-6(-3x-3)=6(1+3x) solve

Answers

Answer:

x=-0.6

Step-by-step explanation:

-3x-3=-1

-3x=-1+3

-3x=2

x=-2/3

You can see how many standard deviations a score is from the mean of the distribution for a raw score or a z-score is by looking at the corresponding z-score.

Answers

Answer:

True

Step-by-step explanation:

Z-score may be defined as a position of the raw score in regard to the distance from its mean when it is measured in the units of standard deviation. Z-score is considered as positive, when the values is above the mean. And when it is below the mean, it is considered as negative.

Another name of a z-score is standard score. Z-score can be measured using the relation :

[tex]$z=\frac{x-\mu}{\sigma}$[/tex]

where, z = z-score

x = raw score

μ = population mean

σ = population standard deviation

Thus from the formula we can see how many standard deviation the score is from a men of the distribution by looking at the corresponding z-score.

Please help me! No links!!!
what is v?

v-6=-20

Answers

Answer:

Hi! The answer to your question is v = 14

Step-by-step explanation:

☆*: .｡..｡.:*☆☆*: .｡..｡.:*☆☆*: .｡..｡.:*☆☆*: .｡..｡.:*☆

☆Brainliest is greatly appreciated!☆

Hope this helps!!

- Brooklynn Deka

Answer:

Step-by-step explanation:

20-60=12

Which statements describe characteristics of a Platonic solid? Check all that apply.
0A Platonic solid is also a convex polyhedron.
0All the faces are congruent.
0The faces are not regular polygons.
0The number of edges meeting at each vertex is the same for all vertices.
0A Platonic solid always has an even number of faces.
0A Platonic solid is a regular polyhedron.

Answers

Answer:

everyone but c

so A B D E F

Step-by-step explanation:

There are 120 pieces of candy in a bag. Fill in the table below to determine the number of pieces of each color

Answers

Answer:

Blue = 30

Green = 24

Red = 54

Orange = 12

Step-by-step explanation:

hahahshahhahahahahahauehfudbrog f ghg

Find the value of x then find the angle measures of the polygon

Answers

Answer:

X=135⁰

Step-by-step explanation:

The sum of angles= 540

Angles are x⁰ x,⁰(x-45⁰),(x-45)⁰

x+x+x+x-45+x-45+x-45=540

5x-135=540 simplify

5x=540+135 Add 135 to both sides

[tex]\frac{5x}{5} =\frac{675}{5}[/tex]

divide both sides by 5

X=135⁰

hope it helps....

Bigcity United played thirty games last season. They won 60% of these. How many games did they lose?

Answers

Answer:

Bigcity United lost 12 games.

Step-by-step explanation:

Since you know the percentage of games Bigcity United won, first you need to determine the percentage of games that they lose by subtracting the percentage of games they won from 100%:

100%-60%=40%

Now, you know that they lost 40% of the games and you can calculate 40% of the number of games they played last season:

30*40%=12

According to this, the answer is that Bigcity United lost 12 games.

Can someone help me find the distance between each pair of points round the answers to the nearest tenth if necessary please help with 2,4 show me how you get it and the answer please

Answers

Answer:

I'm not really understanding this question can you give me some more info

Answer the question please and no links. Please explain too.

Answers

Answer:

(20,5)

Step-by-step explanation:

The line is proportional making the answer equivalent.

Answer:

(20,5)

Step-by-step explanation:

20,5=4,1

For the rhombus below, find the measure of angles 1,2,3 and 4.

Answers

Answer:

∠1 is 33°

∠2 is 57°

∠3 is 57°

∠4 is 33°

Step-by-step explanation:

First off, we already know that ∠2 is 57° because of alternate interior angles.

Second, it's important to know that rhombus' diagonals bisect each other; meaning they form 90° angles in the intersection. Another cool thing is that the diagonals bisect the existing angles in the rhombus. Therefore, 57° is just half of something.

Then, you basically just do some other pain-in-the-butt things after.

Since that ∠2 is just the bisected half from one existing angle, that means that ∠3 is just the other half; meaning that ∠3 is 57°, as well.

Next is to just find the missing angle ∠1. Since we already know ∠3 is 57°, we can just add that to the 90° that the diagonals formed at the intersection.

57° + 90° = 147°

180° - 147° = 33°

∠1 is 33°

Finally, since that ∠4 is just an alternate interior angle of ∠1, ∠4 is 33°, too.

WHAT X !!!!! PLEASE HELP !!!

Answers

A: 22.7º EX: 180 (degree of straight line) - 157.3 (other half given) = 22.7 º

how to find the hypotenuse

Answers

Answer:

use Pythagoras theorem to find hypotenuse in right angle triangle

Write a short definition of "photosynthesis"

Answers

Answer:

Photosynthesis, the process by which green plants and certain other organisms transform light energy into chemical energy. During photosynthesis in green plants, light energy is captured and used to convert water, carbon dioxide, and minerals into oxygen and energy-rich organic compounds.

Step-by-step explanation:

I hope this helps if it does can i get brainlist

photosynthesis is a process that occurs in plants. it is used to convert sunlight into sugar for the plant in order to create chemical energy. this energy is used to help the plant make glucose ! hope this helped ♡

One mile is approximately 1.6 kilometers. A speed limit sign in Europe reading 65 kph
(kilometers per hour) means you can go about how many miles per hour (mph)*

Answers

40 mph, it is 65 divided by 1.6 and to check you can do 40 times 1.6. The exact answer is about 40.3 if you have to be more specific

A friend and I disagree about the answer to the simple math question posed by this post on social media, can you give me the correct answer. I think it's 35, she says 70.

Answers

Answer: what’s the equation?

Step-by-step explanation:

Solve f(x) = 2x + 2 what would f(x)=20

a. 20
b. 10
c. 9
d. 8

Answers

Answer:

the answer is c. 9

Step-by-step explanation:

20=2x+2

18=2x

x=9

Answer:

Step-by-step explanation:

Given f(x) = 2x + 2 and f(x) = 20, then equate right sides, that is

2x + 2 = 20 ( subtract 2 from both sides )

2x = 18 ( divide both sides by 2 )

x = 9 → C

I’ll give brainliest!!!!! Pls help ASAP

Answers

Answer:

[tex]\sqrt[4]{x^{7} }[/tex]

Step-by-step explanation:

this is the same concept basically as simplifying [tex]\sqrt{x}[/tex] into [tex]x^{\frac{1}{2} }[/tex]. You can see that the denominator is in front of the radical and that any numbers in the numerator are the power of the number underneath.

Can you guys plz help me!?
Thanks!!

Answers

X=10 as the 2 angles are the same

If 5% of a number equals eight find 50% of that number

Answers

Answer:

Step-by-step explanation:

160 x .05 = 8

(5% of 160 is 8)

160 x .5 = 80.

You know you should multiply, because when working with fractions, decimals, and percentages, the word "of" means multiplied by.

Rewrite this number in scientific notation.
57,000,000,000,000

Answers

Answer:

57.0 * 10^12

Step-by-step explanation:

Answer:

5.7 x 10^13

Step-by-step explanation:

trust me

Create and solve a 2 step equation where x = -3

Answers

Answer:

Equation:

x + 2 = -1

x = -1 - 2

x = 3

y = -3/2x -2 y = -1/4 + 3

Answers

Answer:

umm. what am I supposed to find

Step-by-step explanation:

I need to know what to fi d in order to get the answer for you it would make it easier if you did that now so yeah

A pet store has 96 pets ( dogs, cats, birds) for sale. There are 3 more dog than cats. There are 9 less birds than cats. How many of each type of pet are in the shop?

Answers

Answer:

Cats = 34

Dogs = 37

birds = 25

Step-by-step explanation:

Let :

c = cats

d = dogs

b = birds

from the question, the following equation can be gotten

d = 3 + c eqn 1

b = c - 9 eqn 2

c + d + b = 96 eqn 3

substitute for b and d in equation 3

3 + c + c - 9 + c = 96

3c - 6 = 96

3c = 102

c = 34

Substitute for d in eqn 1

d = 3 + 34 = 37

Substitute for b in eqn 2

34 - 9 = 25

i need help whats the answer for 2x^2=50

Answers

2x^2=50
/2. /2
X^2=25
To get x alone you have to square root the ^2 to cancel it out , and what you do to one side you must do to the other. This means you also have to square root 25
The square root of x^2 is x and the square root of 25 is 5

The answer is x=5

Answer:

x = 5

x = -5

Step-by-step explanation:

2x^2 = 50

2x^2 - 50 = 0

2(x^2 - 25) = 0

2(x^2 + 5x - 5x - 25) = 0

2((x^2 + 5x) + (-5x - 25)) = 0

2(x(x + 5) - 5(x + 5)) = 0

2(x - 5)(x + 5) = 0

x - 5 = 0

x + 5 = 0

x = 5

x = -5

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Solution or not a solution and because

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Solution or not a solution

and because