MATHEMATICS HIGH SCHOOL

Can you please answer if you know it?
Thank you soooo much!!!!
can you please answer if you know it? Thank you - 1

Answers

Answer 1
Answer: the answer is b 3:00
Answer 2
Answer:

3$

2 sticks=3 lolipops

1 stick=1.5$. so 1.50$ is left

1 lollipop=1$. so 2$ r left.

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At the corner store, Nico bought 5 pencils for $0.10 each and 3 pens for $0.50 each. He used t to represent the sales tax, in dollars, that he also paid. He paid a total of $2.12, including tax. Nico wrote this equation to represent what he paid. What errors, if any, did he make? 5(0.10) + 3(0.50) - t = 2.12

Answers

he subtracted the tax insted of adding it .

Answer:

He should have added t instead of substracting t

Step-by-step explanation:

Which numbers should be multiplied to obtain 175^2 − 124^2?51 and 299

51 and 51

30501 and 30749

2601 and 2601

Answers

you have to multiply 51 and 299 you will gets 15249 wich is the same as 175^2 - 124^2

Your Answer:

A.) 51 and 299

Step-by-step explanation:

In order to find out what other numbers are multiplied to obtain x, our unknown value, we must first square 175² - 124². 175² is equal to 30625 and 124² is equal to 15376. When we subtract 30625 and 15376, we get 15249. Now that we have found out our once unknown value, we will multiply the numbers from the list of choices to see which to values lead up to the product 15249. After multiplying 51 and 299, we find that they equal 15249, our desired answer.

Hope this helps y'all :D

Ancient Egyptians did not write the fraction 4/5 as 4/5. Instead they used unit fractions. The numerator of a unit fraction is always 1.No denominator used to represent a given fraction can be repeated. For this reason, Egyptians would have written 4/5 as 1/2 + 1/5 + 1/10 and not as 1/2 + 1/10 + 1/10 + 1/10. Write each of the following as a sum of unit fractions.

Answers


3/4  =  1/2  +  1/4

5/8  =  1/2  +  1/8

7/12  =  1/2  +  1/12

find the equation of the line that passes through the point of intersection of 3x-y=10 and 4x+2y=10, and that is perpendicular to 2x-6y+24=0

Answers

Hello,

1) we must find the point of intersection of the 2 lines

3x-y=10
4x+2y=10
==>10x=30 ==>x=3 and y=3*3-10=-1
(3,-1)

2) we must find the slope of the line:

2x-6y+24=0==>y=x/3+4 slope=1/3
The perpendicular has as slope m*1/3=-1==>m=-3

The equation of the line is y+1=-3(x-3) or y=-3x+8

What value is equivalent to 13 − 2(1 − 15) ÷ 4?A) -38.5
B) -26
C) 7.25
D) 20

Answers

Answer:

D 20

Step-by-step explanation:

13 − 2(1 − 15) ÷ 4

PEMDAS says parentheses first

13 − 2(-14) ÷ 4

Then multiply and divide from left to right

13 +28 ÷4

13+7

Then add and subtract

20

Answer:

D. 20

Step-by-step explanation:

Follow PEMDAS

- Hope that helps! Please let me know if you need further explanation.

The surface area of a cube is 2.535 m2. Which statements are true about the same cube measured in square centimeters?


Choose all answers that are correct.


A.
The number representing the surface area would decrease.


B.The number representing the surface area would increase.


C.
The actual surface area would decrease.


D.
The actual surface area would increase.


E.
The actual surface area would stay the same.

Answers

Given:
Surface area of a cube = 2.535 m²

convert square meters to square centimeters:
1 square meter = 10,000 square centimeters

2.535 m² * 10,000 cm²/m² = 25,350 cm²


B.The number representing the surface area would increase.
(from 2.535 to 25,350)

E.The actual surface area would stay the same.
(only the units used differ).
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