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3 years ago

Can someone please help me with this

Mathematics

1 answer:

vovangra [49]3 years ago

3 0

Answer:

y = 5

z = 55

Step-by-step explanation:

90 - 35 = 55

z = 55

7y = 35

$\frac{7y}{7} = \frac{35}{7}$

y= 5

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Two card are pulled from a normal deck of 52 cards, without replacement.

8090 [49]

Answer:

The probability that both cards that are drawn are hearts is 1/17.

Step-by-Step-Explanation:

First off, know that there are 13 heart cards in the deck of 52 cards. Therefore, the chance of pulling a single heart card is 13/52. Let's say we do pull a heart card. Since there is no replacement for the heart card taken out of the deck, we now have 12 heart cards out of a deck of 51 cards. The chance of pulling out a heart card in now 12/51. To find the probability that both cards drawn out are hearts, multiply the two fractions together: (13/52)⋅(12/51)=156/2652=1/17.

<h2></h2><h2>So hence, your answer is 1/17</h2>

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Thanks!

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8 0

3 years ago

Use the following histogram to determine the number of scores that are less than 72.

MrRa [10]

The number of scores that are less than 72 is 12.

Solution:

In the given histogram represents the scores of golfers.

x-axis represents the scores and y-axis represents the number of scores.

Number of scores between 66 - 67 = 4

Number of scores between 68 - 69 = 2

Number of scores between 70 - 71 = 6

Number of scores between 72 - 73 = 2

Number of scores between 74 - 75 = 2

To determine the number of scores that are less than 72.

Number of scores less than 72 = 4 + 2 + 6

= 12

Hence the number of scores that are less than 72 is 12.

6 0

3 years ago

Equivalent expression of x+4+3x

Andreas93 [3]

Answer:

4x+4

Step-by-step explanation:

Combine like terms:

3x+x= 4x

Add remaining terms (+4)

4x+4

4 0

3 years ago

What is the simplified form of expression c^9d^ -7/c^14 d^-10

devlian [24]

You subtract c^9 - c^14 and you get c^5
then you subtract d^-7 - d^-10 and you get d^3 because negative and a negative make a positive.
so your answer is:
d^3/c^5

6 0

3 years ago

How do I solve 24(x-1) = -6(4-x)+18

podryga [215]

So the right answer is 1.

Look at the attached picture

Hope it will help you...

Good luck on your assignment

~pragya