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Deffense [45]
3 years ago
13

Y = 3 x −7 please help me someone I so not good at math

Mathematics
2 answers:
Lady bird [3.3K]3 years ago
7 0
Y = 7/3 or 2.33333333

y = 3x - 7
+7. +7
——————
7y =3x
—. —
3. 3

y = 7/3 or 2.3333333
Margaret [11]3 years ago
5 0

y = 3x - 7

Add 7 to both sides

7 + y = 3x

Divide both sides by 3

(7 + y)/3 = x

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Help please inequalities are kicking my butt any help is greatly appreciated thank you in advance
Hitman42 [59]

Answer:

Correct option is (C)

Step-by-step explanation:

we are given that -Tim design a pair of shorts,S, and T-shirts,t.

Tim sell Sorts for $12 and T-shirts for $8 each.

Tim can work atmost 18 hours a day so we can write time\leq 18

Time taken to design a T-shirt is 30 minutes and for Shorts, it is 45 minutes.

\frac{30}{60}t+\frac{45}{60}s\leq   18\\\text{Multiply both the sides by 60}\\30t+45s\leq 1080\\\text{Divide both the sides by 45}\\s+0.66t\leq 24\\\text{Subtract 0.66t from both the sides}\\s\leq 24-0.66t

He must design 12 itesm each day, so we can write t+s\geq 12

Further it can be written as

t+s\geq 12\\\text{Subtract t from both the sides}\\s\geq 12-t

Also Tim can not design more than 30 items in one day, so we can write

t+s\leq 30\\\text{Subtsract t from both the sides}\\s\leq 30-t

Hence from the above equations , its claer that

s\geq 12-t,s\leq 30-t,s\leq 24-0.66t,s\geq 0,t\geq 0

7 0
4 years ago
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>

-----------------------------------——————---------------------------------------------------------

Thanks!

Answered by: FieryAnswererGT

#learnwithbrainly

Want to Thank me? JUST MARK ME BRAINLIEST! So simple!

8 0
3 years ago
A circle's radius is 25 inches.
Stella [2.4K]

Answer:

C≈157.08in

Step-by-step explanation:

C=2πr=2·π·25≈157.07963in

5 0
3 years ago
Read 2 more answers
Help please ! order the side lengths GH , HI , IG from least to greatest
jok3333 [9.3K]

Answer:

IH < IG < HG

Step-by-step explanation:

To solve this equation remember that angle measurements correspond with sides. So, the largest angle will be opposite of the longest side and the smallest angle will be opposite of the shortest side.

First, you need to find m<I; do this by subtracting 52 and 45 from 180. This means that m<I=83, making it the largest angle. Therefore, the angles, in order of least to greatest, are <G, <H, <I. So, to find the final answer, find the sides opposite of each of the angles. This means the answer is IH < IG < HG.

7 0
3 years ago
X Y
aliina [53]
The answer is B. I hope it help :)
4 0
3 years ago
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