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Nataliya [291]
3 years ago
5

Help please thank you!

Mathematics
1 answer:
Harrizon [31]3 years ago
6 0

Answer:b

Step-by-step explanation:ur welcome

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Hailey and Kacie are selling candles to raise money. • Hailey is selling candles for $4 each and has already raised $160. • Kaci
marysya [2.9K]

Answer:

The number of candles each girl needs to sell so that the total amount raised is the same for both is

<em>Hailey </em>70 candles

<em>Kacie  </em>40 candles

Step-by-step explanation:

Let

x------> the number of candles sold

y----> total amount raised          

we know that

<em>Hailey's equation</em>

y=4x+160 -----> equation A

Please note that Hailey has already raised $160, so he has sold 40 candles.

<em>Kacie's equation</em>

y=7x+70 -----> equation B

Please note that Kacie has already raised $70, so he has sold 10 candles.

equate equation A and equation B solve for x

4x+160=7x+70

7x-4x=160-70

3x=90

x=30\ candles

The number of candles each girl needs to sell so that the total amount raised is the same for both is

<em>Hailey</em>

  40+30=70 candles

<em>Kacie</em>

  10+30=40 candles

8 0
3 years ago
I NEED HELP NOW PLZ!!!!
nikitadnepr [17]

Answer:

option D is correct

Step-by-step explanation:

Hope it helps you

3 0
3 years ago
You have a ruler of length 2 and you choose a place to break it using a uniform probability distribution. Let random variable X
Dmitriy789 [7]

Hi!

When you break the rule for the first time, de probability distribution of X is constant in [0, 2], and is zero outside. If the the value obtained is X = a, then the probability distribution of Y (conditioned on X = a) is constaint in interval [0, a], and zero outside. Then the region in the X-Y plane where the joint density is non-zero is the filled triangle  in the figure.

4 0
3 years ago
Solve please! :) The values of m n k respectively.
oksian1 [2.3K]

Answer:

1,6,2 and 5

Step-by-step explanation:

(2x/5)² . (1x⁴/4)^-1

=(2²x²/5²) . (4/x⁴)

=4x²/25 × 4/x⁴

= 16/25x²

7 0
3 years ago
Order the periods of time from least to greatest <br> 1% of an hour 2/3 of a min .0004 of a day
IrinaVladis [17]
Lets convert all of these to seconds so we have a common unit to compare. 1% of an hour is equal to 36 seconds. 2/3 of a minute is equal to 40 seconds. .0004 of a day is around 34.6 seconds. So from least to greatest it would be .0004 of a day, 1% of an hour, and then 2/3 of a minute.
7 0
3 years ago
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