Mathematics Middle School

Isaac and Paul shared some baseball cards in the ratio 2:5. If Paul gave 30 cards to Isaac, they would have the same number of cards. How many cards does Isaac have in the beginning?

WILL GIVE BRAINLIEST. PLS ANSWER ASAP.

Answers

Answer 1

Answer:

20-

Step-by-step explanation:

3 parts=30 cards thus 2 parts: 20

Related Questions

Pheobe had 6 keys. She paid with a $10.00 bill and received $3.28 change. How much did it cost to have EACH key made

Answers

Answer:

$1.12

Step-by-step explanation:

One way to solve this problem is through an algebraic equation. Set up the equation like this, [tex]10-3.28=6x[/tex]. This equation works because 3.28 is subtracted from 10, which represents how much was spent in total. Then, this is equal to 6x, which represents the total cost of six keys.

So, to solve first subtract 3.28 from 10, this gives you 6.72. Then, divide both sides by 6. This equals 1.12, which is the cost of each key.

Here it is the problem:’)

Answers

Answer:

C, 64.8

Step-by-step explanation:

multiply 1.35 x 48 =64.8

Answer:

50.4

Step-by-step explanation:

hoped it helped

David is saving money to but a part for his motorcycle. He has already saved some money and will continue saving the same amount of money each week. If the equation 200=20x+60 represents David’s savings for the motorcycle part, what does the number 60 represent?

Answers

Answer:

60 represents how much money he started with

Step-by-step explanation:

Answer:

answer is 60!

Step-by-step explanation:

well kind of complicated

Write the transformation rule for each transformation described below.
6. A reflection over the x-axis.
7. A translation 3 units right.
8. A dilation with a scale factor of 4.

Answers

Answer: 6.

Step-by-step explanation:

6 - is the answer so good luck

If one supplementary angle measure 51 degrees the other angle measures 39 degrees?
a.True
b.False

Answers

The answer to your question is false

Answer:

b. False

Step-by-step explanation:

False because supplementary angle means that either of two angles sum is 180°

If one supplementary angle measure is 51°, then the other angle measure should be 129°

Hope this is helpful:)

Help i will give 20 points
And brainlist

Answers

Answer:

for #14, x=10

Step-by-step explanation:

in the graph, 6x = 5x +10 so if x was 10 it would be 60 = 60 so x = 10

Need help number 13 MATH

Answers

Answer:

H

Step-by-step explanation:

i’m pretty sure the answer is g or f

can someone plsss help

Answers

the answers c!! :)))

George decided to paint a wall with two windows. Both windows are 3 1/2 ft by 4 1/2 ft rectangles. Find the area the paint needs to cover.


Area of 2 windows:


Area of the entire wall:


Area to be painted:

Answers

71.5 ft , 3.5*4.5*2= 31.5(two windows) and the area of the whole wall is 103ft just subtract both to get 71.5ft needs to cover with paint.

Use the triangle formed by the vertices L(—3, 4), A(O, 5) and D(2, l). AL' A'D' is a triangle formed by using the transformation rule (x, y) —5 (—x, y) .
a. What type of transformation is ALAD —AL'A'D'?
b. Are A LAD and AL'A'D'congruent or similar?

A and B are problems to solve not answers!

Answers

Answer:

figuring it out now

Step-by-step explanation:

help please this is about net forces

Answers

Answer:

10

Step-by-step explanation:

There are 10 equal squares of 1 inch² so the area must be 10 inch²

Please, I need help with this....thanks.

Answers

I can’t view the picture

Answer:

6 (i think sorry if its wrong)

Question 4
Show the work please

Answers

I think it’s b or a I’m not sure tho

please help asap im confused

Answers

answer- 30

explanation- there are 10 votes for popsicles and 40 votes for ice cream, so of you do 40-10 you get 30, so 30 more people would choose ice cream

PLZ HURRY! Danielle was completing her science project and mixed saline solutions A and B. Brand A was a six gallon 18% saline solution and she ended up with an 18 gallon 8% saline solution mixture. Find the percent of saline solution in brand B

Answers

Answer:

.42857 liters of pure water

Step-by-step explanation:2.4 = .7w + 2.1

2.4 - 2.1 = .7w

.3 = .7w

w = .3%2F.7

can you give branliest i am the same person that i answered

QUICK HELP ME! HELP HELP HELP HELP

Answers

........................?????

What is the minimum y value of the graph above?

Answers

Answer:y=(x)

Step-by-step explanation:

Y=(x)

There is no graph listed here

Hello, I have a question.

Answers

Answer:

3,4,5,6,7,8,9,10

Step-by-step explanation:

all the numbers are in a constant rate (same line) and all of the above are greater than this. Sorry if I get it wrong.

who ever gets this right will get a brainlest

Answers

It was increased by 15%

NEED HELP ASAP!! NO LINKS!!! OR U WILL BE REPORTED!! WILL GIVE BRAINIEST!!

Answers

Answer:

Y = 6,8          X = -6,3           Z = -2, -1

Y = 9,7           X = -3,2          Z = 1,-2

Step-by-step explanation:

pls help due in 10 mins

Answers

Answer:

B

Step-by-step explanation:

Answer:

A

Step-by-step explanation:

The answer is A.

A sign says that the price on all music equipment is 30% off the original price. you buy an electric guitar for the sale price of $315.
A-what is the original price?
B-How much money did you save off of the original price?
C-What percent of the original price is the sale price?

Answers

Answer:

a. So the electric guitar is sold for a sale price of $315 after the discount. The discount was 30%. Even though we get that amount off, we still pay 70% of the original price, because 100% (original price) - 30% is 70%.

b. An equation that can help us find the regular price of the item is through writing and solving a proportion. Set it up like this:

315/x = 70/100

This is because 315 is part of the whole and is 70% of the value of x.

Step-by-step explanation:

Okay. Let's solve this by cross multiplying the values. 315 * 100 is 31,500. 70 * x is 70x. That simplifies to 31,500 = 70x. Didivde each side by 70 to isolate the x. 70x/70 cancels out. 31,500/70 is 450. Let's check this by multiply the number by 70% and see what happens. 450 * 70% (0.7) is 315. There. x = 450. The regular price was $450.

Answer:

a. $450

b. $135

c. 70%

Step-by-step:

[tex]\frac{70}{100} = \frac{315}{450}[/tex]  since these two fractions are equal to each other that means the orginal price is $450.

(sale price/original price)x100= % of original price

(315/450)x100=0.7=70%

A gift box has the dimensions of 16 inches by 11 inches. What is the perimeter of the box in feet?

Answers

Answer:

12ft. 3in.

Step-by-step explanation:

Perimeter is W+L=P. So add 16 and 11 and you get 27. There are 12 inches in a foot so all you would do is see how many times 12 goes into 27 (twice) and put the remainder as inches. So 12 feet and 3 inches. I hope this helped and I hope I'm right.

In question 1, Fatima found that 2 crates of 100 boxes can be filled using the 3,258 cookies produced each day. Subtracting 2,400 from 3,258 leaves 858 cookies that still need to be packaged.

Fatima now uses base ten blocks and a rectangular array to find how many boxes of 12 can be filled with these 858 cookies.

Based on her calculations shown below, did Fatima perform the calculation correctly? Why or why not? Select ALL reasons that are true.

https://images.freckle.com/curriculum/math/dok/en/5.NBT.6-dok3-1-q2.svg

(The managers want to know how many boxes of 12 cookies can be filled with the 3,258 cookies that have been baked. Fatima starts by subtracting the largest number of boxes she can easily calculate. She knows that 100 boxes of 12 cookies can be put into one crate. How many crates can be filled from the total of 3,258 cookies? i found the answer it is 2 crates)

Answers

Answer:

I think it's correct. :)

I hope it helped.

I think it’s correct
I hope this help you :)

Pls help I don't understand this if you can show your work that would be awesome!

Answers

Answer:

15 unit^2

Step-by-step explanation:

Cut the shape into a square and a triangle, Do 3 x 3 for the square, which equals 9

Now subtract the 7 by 3 to find the length of the side of triangle, which is 4

The formula for triangle's area is 1/2 L x W, so 1/2 of 12 is 6, and 9+6 is 15

Can someone PLEASE help me solve these problems, I need them by 9:59pm.

Answers

For number 7 he could buy 14 candies if he bought the 9 peppermints if he doesn’t buy the peppermints he could buy 20 sour candies

Rachel found that the time it takes for her to make her favorite desert decreases the more times she makes its. The time is takes in minutes(M) can be modeled by: M=72-0.75n, where n is the number of times that rachel has made the desert.
A. how long will it take rachel to make her desert the fifth time?

B. after how many times will rachel be able to make her desert in 63 minutes?

C. How long will it take rachel to make her desert the 40th time? Do you think this is reasonable?

Answers

Answer:

A.68 minutes and 25 seconds.

B.12

C.42 minutes.yes i think it is reasonable

9. What ordered pair lies on the x-axis?
a. (-1,2)
b. (1,-2)
c. (0,2)
d. (-1,0)

Answers

Answer:

Step-by-step explanation:

use photomath it will give u all the steps

Answer:

d. (-1,0)

Step-by-step explanation:

This would be the correct answer because the first digit is on the x-axis and the second number, which is the y-axis, is zero meaning that the point would continue to stay on the x-axis.

Please answer the question DON'T ADD LINKS OR I WILL REPORT

Answers

Im pretty sure it’s B because it tells your the area which is 40 and the length which is 4. I don’t know how to explain it but hopefully it kinda of helped and it’s right.
It’s D.

Explanation: Since the area formula is A = bh/2, you would replace the variables with what you know. Since we know that the base is 4 and the area is 40, your equation would be 40 = (4)(h)/2. To solve, you would simplify the (4)(h)/2 to 2h because 4 divided by 2 is 2. You’re left with 40 = 2h and then you divide by 2 to get h by itself, 40 divided by 2 is 20, therefore the height is 20 inches.

Frankie and Marcel are picking up apples. Frankie has 18 apples, which is 4 times plus 2 more apples then Marcel has. How many apples does Marcel have?

Answers

Answer:

Marcel has 4 Apples

Step-by-step explanation:

1. I see that it is plus two so I get rid of that and subtract two from eighteen.

2. Now I see that Marcel has 4 times less than 16 and 16 divided by 4 is 4.

Marcel has 4 apples.

Subtract 2 from 18 to get 16 then divide 16 by 4 and it will give you 4.
Answer: 4
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