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FromTheMoon [43]
3 years ago
15

PLEASE HELP URGENT!! I DONT UNDERSTAND THIS AT ALL

Mathematics
1 answer:
arlik [135]3 years ago
5 0

Answer:

(1,-1)

Step-by-step explanation:

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15,600 at 3% compounded semiannually for 3 years (semiannually = 2 per year)
aliya0001 [1]

Answer: 1404?

Step-by-step explanation:

15600×3= 468

468×3= 1404

I apologize if its not right. Im just trynna get my points

7 0
3 years ago
Joe gave 1⁄4 of his total candies to his classmates. Then he gave 4/6 of what he had left to his brother when he went home. He t
lozanna [386]

Answer:

112 candies

Step-by-step explanation:

Start from the end.

Joe gave 25% of the remaining candies to his sister and has 21 candies left. Then

21 \ candies - 75\%\\ \\x \ candies - 25\%

Write a proportion:

\dfrac{21}{x}=\dfrac{75}{25}\\ \\75x=21\cdot 25\\ \\x=\dfrac{21}{3}=7

Joe gave 7 candies to his sister, so before this he had 21 + 7 = 28 candies.

He gave 4/6 of what he had left to his brother when he went home, so 2/6 of all his candies left ot him. Hence,

28\ candies - \dfrac{2}{6}\\ \\x\ candies - \dfrac{4}{6}

Write a proportion:

\dfrac{28}{x}=\dfrac{\frac{2}{6}}{\frac{4}{6}}\\ \\\dfrac{28}{x}=\dfrac{1}{2}\\ \\x=28\cdot 2=56

Joe gave 56 candies to his brother, so Joe had 28 + 56 = 84 candies when he went home.

Joe gave 1/4 of his total candies to his classmates, so 3/4 of his candies left to him. So,

x\ candies - \dfrac{1}{4}\\ \\84\ candies - \dfrac{3}{4}

Write a proportion:

\dfrac{x}{84}=\dfrac{\frac{1}{4}}{\frac{3}{4}}\\ \\\dfrac{x}{84}=\dfrac{1}{3}\\ \\3x=84\\ \\x=28

Therefore, initially, Joe had 28 + 84 = 112 candies.

3 0
4 years ago
Under a dilation, are the pre-image and the image always,<br> sometimes, or never congruent?
DerKrebs [107]

Answer:

Never congruent

Step-by-step explanation:

A dilation is a transformation that makes an image that is thr same shape as the original, but a DIFFERENT SIZE.

Congruent shapes means they both have the same shape AND size.

So a dilation of the new image/shape can NEVER have the same shape AND size with the original.

BRAINLIEST?? TY!! :DD

4 0
3 years ago
Clare has $150 in her bank account. She buys a bike for
Anastaziya [24]

Answer: $25

Step-by-step explanation:

150-200= -50

-50+75= 25

4 0
3 years ago
Read 2 more answers
A cake recipe suggests a cooking temperature of 325 degree Fahrenheit if the batter is less than one inch thick and 350F if the
bija089 [108]
The first step is finding the height of the cake. The formula for the volume of a box: Volume= length x width x height. So given the volume and length and width: 100= 9 x 11 x h. 100=99h and solve for h. h= 1.01 inches so the batter is more than one inch thick. That means that the matter needs to be baked at 350 degrees Fahrenheit. The formula to convert from Fahrenheit to Celsius:  T(C)= (T(F)-32) x (5/9). So (350-32) x (5/9) = 176.667. Rounded to the nearest whole number is 177 degrees celsius. 
6 0
3 years ago
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