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Juli2301 [7.4K]
3 years ago
6

-3b+7=13 solve for b

Mathematics
2 answers:
gogolik [260]3 years ago
6 0

Answer:

b = -2

Step-by-step explanation:

You start by subtracting the 7 on the left and move it to the other side. Then you have 6 on the right and -3b on the left. Then you divide the -3 on each side and that gives you b= -2.

Hope this helps.

zzz [600]3 years ago
5 0

Answer:

b = -2

Step-by-step explanation:

Start with your given:

-3b + 7 = 13

Subtract 7 on both sides:

-3b = 6

Then, divide -3 on both sides and solve:

b = -2

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Answer:hmm I don’t fully understand what you mean because there is no bottom of the number line it started at zero so all you have to do is fill the line in.

Step-by-step explanation:

8 0
3 years ago
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(3x + 7)5<br> Simply the expression
babunello [35]

Answer:

15x+35

Step-by-step explanation:

(3x + 7)5

Use 5 to open the bracket

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15x + 35

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Point A is located at (1, -3).
sveta [45]

The coordinates of the point A' will be (5, 3) after Reflection and Translation.

Translation is the process of changing the position of the image point on a coordinate plane.

In the given situation, we have been given a point A(1, -3). We have to

create an image point A' by reflecting and translating it to four unit points to the right. Also, the image is reflected using the x-axis which means the coordinates will be reflected in form of (x, -y).

So, putting values of A in (x, -y) we get reflected image points : (1, 3)

Now, for translating the image four units to right we need to add 4 to the x coordinate of the point to get coordinates of A'

    => A' = (1 + 4, 3)   => A' = (5, 3)

The coordinates of A' are (5, 3)

Hence, after Reflection and Translation of A we get image A' with the coordinates A'(5, 3)

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6 0
1 year ago
What is the perimeter ​
denpristay [2]

Answer:

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7 0
3 years ago
In a game, a player earns 100 points for each question answered correctly and earns -30 points for each question answered incorr
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The general expression is 130 x - 600 and total points scored by the player is 1220

A) Let the number of correctly answered questions be x.

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+ 100 points is awarded for each question answered correctly while -30 points is awarded for each question answered incorrectly.

Thus, the general equation becomes

= 100x - (20 - x)(-30)

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Thus the general expression becomes 130 x - 600

B)  The player answers 14 questions correctly, thus x = 14

Substituting the value of x =14 in the general equation we get,

= 130(14) - 600

= 1820 - 600

= 1220.

Thus the total points scored by the player will be 1220

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