Pre college need help

Pre College Need Help

Answers

Answer 1

Answer:

No

Step-by-step explanation:

Substituting into both equations proves that the second equation does not work for the ordered pair provided

Answer 2

Answer:

No

Step-by-step explanation:

2+(-5)=3

4(2)+3(-5)=-7


Related Questions

is the function y = -7 a linear function?

Answers

Answer: Yes it is linear.

Explanation:

The given equation is the same as y = 0x - 7. It matches the form y = mx+b which is slope intercept form of a linear equation.

The slope m = 0 always applies to horizontal lines. All points on this line have a y coordinate of -7.

Given h(t) = -2(t+ 5)^2 +4, find h(-8).

Answers

Answer:

Substitute -8 as x into the equation.

h(-8)=-2(-8+5)^2+4

h(-8)=-2(-3)^2+4

h(-8)=-2(9)+4

h(-8)=-18+4

h(-8)=-14

:)

The weight of an object on the moon is
1 of its weight on Earth. If a moon rock
weighs 20 lb on Earth, how much did
the moon rock weigh on the moon?

Answers

Answer:

10 lb on planet earth which turns very slowly

Answer:

10 pounds on planet earth which turns very slowly

Step-by-step explanation:

plz help i don’t get it help help help

Answers

Answer:

The answer is c

Plot two numbers on the numberline that are 7 units from 3

Is this correct?

Answers

Answer:

-4 and 10

Step-by-step explanation:

It is 7 units from 3 not 3 the number itself

Answer:

Half correct.

Step-by-step explanation:

Option B is correct   3 + 7 = 10

Option A is incorrect. Should be 3 - 7 = - 4

ayo is 37 years old and Abdul salami is 6 years old. how many years ago was the product of their ages 96​

Answers

It wouldn’t be possible as when you do 36x5, 35x4, 34x3, 33x2, 32x1 or 31x0, none of these actual make 96 so it would be impossible.

What number is 133% of 200

Answers

Rewrite 133% as a decimal by dividing by 100:

133% = 1.33

Now multiply:

200 x 1.33 = 266

Answer: 266

133% of 200 = 266

Explanation:

133 of 200 can be written as:

133/200

To find a percentage, we need to find an equivalent fraction with the denominator 100. Multiply both numerator & denominator by 100

Multiply both numerator & denominator by 100 Therefore, the answer is 66.5%If you are using a calculator, simply enter 133÷200×100 which will give you 66.5 as the answer and as we know 66.5 is also known as 226.

source:

https://answers.everydaycalculation.com/percent-is/133-200

Solve the given problem using Venn Diagram. Show your solution

A group of 50 students went on a tour in Palawan province Out of 50 students, 24 joined the trip to Coron; 18 went to Tubbataha Reef, 20 visited El Nido: 12 made a trip to Coron and Tubbataha Reef 15 saw the Tubbataha Reef and El Nido, 11 made a trip to Coron and El Nido: 10 saw the three tourist spots.

1. How many students went to Coron only?
2. How many students went to Tubbataha Reef only?
3. How many joined the El Nido trip only? 4. How many did not go to any of the tourist spot?

(Please kindly help me. I have answered this problem, but it seems not to be correct.)​

Answers

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Lamis purchased n notebooks. They were 5 dollars each. Write an equation to represent the total cost c that Lamis paid.

Answers

N x 5 = c hope this helps!
n5=c

n=number of notebooks
c=total cost

I need help with a law of sines question.

Answers

Step-by-step explanation:

B will equal 20.87 degrees

C will equal 42.1 degrees

c will equal 26.3

What is the slope of the line ?

Answers

The slope at the line would be the 360 point turn.

The slope of the line would be 2/3, I think… I can’t really tell because the image is bad quality.

If you can put up a better image or tell me two ordered pairs from the line, I can give you the slope. :)

Find the quotient. Answer
should be in simplest form.

Answers

In order to divide by a fraction, keep the first fraction, and multiply it by the reciprocal of the next fraction. So 2/5 divided by 4/7 is actually just 2/5 x 7/4. This equals 14/20, which is 7/10. So the answer is B. Hope this helps you!

So There Are 3 Dogs In 25 Parks How Many Dogs In Parks Are There So This Is 3×25=? I mean It's Ez ​

Answers

Answer: You are right! Just multiply for your answer!

Step-by-step explanation:

The answer is 25•3 is 75

how do i do 3 5/6 - 2 7/15?

Answers

Answer:

don't know don't know don't know don't know don't know don't know don't know

Step-by-step explanation:

don't know don't know don't know don't know don't know don't know don't know don't

Please answer! Only if correct, please.

Answers

Answer:

f(-4) = -6

g(2) = -14

Step-by-step explanation:

To evaluate a function we must plug in the values of x. So for:

f(x) = 2x+2

we have:

f(-4) = 2(-4)+2

then we simplify:

f(-4) = -8+2

so f(-4) = -6

Now the same steps are taken for g(x) in which the answer would be -14.

SOMEONE HELP ME WITH THIS PLS

Answers

Answer:

D

Step-by-step explanation:

You add the "columns."  The equations are arranged so that like terms are stacked vertically.  3x and 7x are like terms; when you add them, you get 10x.

-y and y are like terms; when you add them, you get 0 (that doesn't appear in the sum).

-5 and 15 are like terms; add them to get 10.

The sum of the two equations is the equation 10x = 10.

Round 61.373737842 to the nearest ten-millionth ​

Answers

Answer:

61.3737378

Step-by-step explanation:

First find the ten millionth digit, and the digit after it.

The digit "8", the seventh digit to the right of the decimal point is the ten millionth digit.

As the digit after "8" is 4, which is less than 5, so simply round the digit "4" down.

Thus the answer is 61.3737378

If Isabella runs 23 mile each day, how many miles will Isabella run in 6 days?

Answers

Answer:

[tex]138[/tex] miles in 6 days

Step-by-step explanation:

Our [tex]Rate[/tex] is [tex]23[/tex] miles per day.

Definition

Rate in Math - The speed of something happening in a certain amount of time, it is usually consistent.

Rate in Physics - Rate means rate of change. Basically, how much a certain quantity changes with respect to another quantity that is also changing. You may also sometimes hear the term gradient which describes the same thing.

To find how many miles she will run in 6 days we will multiply our [tex]Rate[/tex] by our Time, to find our distance, [tex](Miles, Physics)[/tex]

Our equation

[tex]23\cdot6[/tex]

Solve

[tex]138[/tex] miles in 6 days

Brainliest please :)

60. Write the equation of a line through the point (-2,6) with a slope -5.

Answers

Answer:

y = - 5x - 4

Step-by-step explanation:

The equation of a line in slope- intercept form is

y = mx + c ( m is the slope and c the y- intercept )

Here m = - 5 , then

y = - 5x + c ← is the partial equation

To find c substitute (- 2, 6 ) into the partial equation

6 = 10 + c ⇒ c = 6 - 10 = - 4

y = - 5x - 4 ← equation of line

The triangles shown below must be congruent. True or False?

Answers

Answer:

they are technically congruent due to same angles n same or equal sides

Answer:

A. True

Step-by-step explanation:

Two triangles are congruent if their corresponding sides are equal in length, and their corresponding angles are equal in measure.

so your amswer is A. True

What is the product of ?

Answers

Answer: Mathematics

Step-by-step explanation:

Answer: Hello I want to know what is the product of what you need to give me a number.

Step-by-step explanation:

I really need help with this I am really struggling

Answers

Answer:

324

Step-by-step explanation:

the answer 325

Answer:

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If AB = AC; then B = C if
1. A is a square matrix
2. A is a null matrix
3. A is an identity matrix
4. A can be any matrix

Answers

Number 1 is the correct option :)

8x + 1/3 = 2/3 what is the answer?

Answers

Answer:

1/24

Step-by-step explanation:

8x + 1/3 = 2/3

    - 1/3   - 1/3

8x = 1/3

8x/8 = (1/3)/8

x = 1/24

My kid already tried 3x7x7x7x7 = 3 x 7 to the power of 4 but it says it’s wrong, help please!

Answers

Answer:

[tex]7^{4} * 3[/tex]

Step-by-step explanation:

In a bag of 50 marbles, 20 marbles are blue or pink.


What percentage of marbles are blue or pink?


Enter the missing values in the boxes to complete the ratio table.

Thanks.

Answers

Answer:

40%

Step-by-step explanation:

The ratio is 20:50, we can expand to 40:100, so 40%

no link no bot right please

Answers

Answer:

27pi in^3

Step-by-step explanation:

the volume for a cone is (1/3)pi*r^2*h. r=3in, h=9in. so the volume is (1/3)*pi*3^2*9=27pi

The weight of an object on the moon is
1 of its weight on Earth. If a moon rock
weighs 203 lb on Earth, how much did
the moon rock weigh on the moon?

Answers

Answer:

The answer would be 124.4

Step-by-step explanation:

The simple answer is 124.4 lb on the moon it would way the explation behind this is that the moons gravity is 1.62m/s so dividing that by 1.62 it would be 12.4.4 lb but because of the moons twist on it's axes would make it 90 Ib

Hope this helps :)

William sold half of his comic book collection then purchased 10 more. He now has 24 comic books . How many books did William begin with?

Answers

Answer:

28

Step-by-step explanation:

24-10=14

14x2=28

Answer:

willaim had 28 comic books to begin with

Step-by-step explanation:

So we can take 24-10=  to see how many comics he had before his total of 24  which :

24-10=14

Then we want to find how many he had in the beging so to reverse division we would use multiplication so we would do 14x2=  because a half x a half will equal a whole :

14x2=28

So therefor William started of with 28 comic books

A garden supply store spends $750 on an order. They spend $250 on potting supplies
and buy plants that cost $25 each. How many plants do they buy?

Answers

Answer:

They bought 20 plants

Step-by-step explanation:

If you minus the total 750- 250 of potting supplies it leaves you with 500.

Divide 500/ 25 = 20

Answer:

20 plants

Step-by-step explanation:

500 divided by 25 = 20

have a nice day

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