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Orlov [11]
4 years ago
13

Find the value of x for 6.a. And the value of y for b.

Mathematics
2 answers:
Marysya12 [62]4 years ago
4 0
For a, x = 6 (3+6=9) and for b, y=5 (2x5=10)
mario62 [17]4 years ago
4 0
For 6A) the x= 6 because 9-3=6 for the power. If u see multiple, for powers u have to add! So think opposite because we have answer at end but no answer for X. So yes subtract it.

For 6B) the y= 5 because when u see something like this in parenthesis and something outside of it , it multiple. If we have answer but no Y answer, think opposite! It is divided. 10/2= 5
To check- 2 times 5=10 which is correct
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Ja'kniya and Alayjah are shopping at the Apple Store. Ja'kniya bought 4 screensavers and 3 Otterboxes for $29. Alayjah bought 6
Katarina [22]

Answer:  Each screensaver costs $2 and each Otterbox costs $7.

Step-by-step explanation:

Let x = Cost of each screensaver and y = cost of each Otterbox.

As per given, 4x+3y=29       (i)

6x +2y = 26  (ii)

Divide both sides of (i) by 2 and the multiply it by 3 on sides , we get

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Eliminate (i) from (iii) , we get

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⇒ x = 2  [Divide both sides by 5]

Put value of x in (i), we get

4(2)+3y=29

⇒ 8+3y= 29

⇒ 3y= 21

⇒ y =7 [Divide both sides by 7]

Hence, Each screensaver costs $2 and each Otterbox costs $7.

7 0
3 years ago
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8 0
3 years ago
A vehicle travels 140 miles in 5 hours. At this rate, how many miles will the vehicle travel in 7 hours? please help I just fail
Harrizon [31]

Answer:

28 mph  

Step-by-step explanation:

I dont know if this helped but if it did then your welcome? I dont know if this helped sorry TwT

4 0
3 years ago
-28-6b=8 I can’t get the answer I need help.
SVETLANKA909090 [29]

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6

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5 0
2 years ago
A group of restaurant owners surveyed a list of people to determine how preferences of meats compared to preferences of grains,
VashaNatasha [74]

There is no association between the chicken preferences and rice preferences. Option C

<h3>What is association?</h3>

There is an association between two variables when they both decrease or increase simultaneously. In many cases, the association between the variables can be shown using the correlation coefficient when the relationship is plotted on Cartesian coordinates.

If we look at the table, we can see that there is no association between the chicken preferences and rice preferences because because the proportion of chicken and rice eaters to all chicken eaters is lower than all rice eaters to all eaters; and because the proportion of chicken and rice eaters to all rice eaters is lower than all chicken eaters to all eaters.

Learn more about association:brainly.com/question/12782981

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4 0
2 years ago
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