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Effectus [21]
3 years ago
15

(20a - 1) ÷ b when a= 2 and b= 13​

Mathematics
2 answers:
Kitty [74]3 years ago
8 0

answer: 32a^{13}b

your welcome

mote1985 [20]3 years ago
3 0

Answer:

3

Step-by-step explanation:

(20a - 1) ÷ b

a = 2

b = 13

(20(2) - 1) ÷ 13

(40-1)÷13

39÷ 13

= 3

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The principal of the school is looking over grade reports, specifically scores on math quizzes.
guapka [62]

Answer:

Range = 45

Median = 75

Step-by-step explanation:

Based on the attached box and whisker plot :

From the plot :

Maximum value = 95

Minimum value = 50

The median value can be obtained from the box and whisker plot. The median value from the plot is ; the green dotted point inside the box :

This point is marked 75.

Hence, median value = 75

Range = maximum - minimum

Range =. 95 - 50 = 45

8 0
3 years ago
Add.<br><br> 3/2x+4 + 2x/3x+6<br><br> and it'd be great if you show you work, thank you! ♡
Vikki [24]

Answer:

<u>2 1/6x +10</u>

Step-by-step explanation:

All you need to do is combine like terms.

3/2x+<u>4</u>+2/3x+<u>6</u>

3/2x+<u>10</u>+2/3x

<u>3/2x + 2/3x</u>= <u>2 1/6x</u>

<u>2 1/6x+10</u>

7 0
3 years ago
What are the equivalent ratios shown in the table? Complete the statement.
Radda [10]
I will !

This is five-fold proportion
The first ratio gives solution namely
We will write general proportion 
a:b= c:d= e:f = g:h= i:j = k
According to this the first ratio gives coefficient k
When we divide 24/2 =12 our coefficient k=12

In the second ratio we will multiply 3 with 12 and get 36.
In the third ratio we will multiplu 5.5 with 12 and get 66.
In the fourth we will divide 108 with 12 and get 9.
In the fifth we will multiply 15 with 12 and get 180.

Finally the ratio is 24:2=36:3=66:5.5=108:9=180:15

Good luck!!!!


6 0
2 years ago
Read 2 more answers
A spotlight can be adjusted to effectively light a circular area of up to 6 meters in diameter. To the nearest tenth, what is th
levacccp [35]
You would find the radius by halving the diameter. Then you use the equation
\pi \: r { }^{2}  =
and you get about 28.2 meters.
3 0
3 years ago
What is the equation in slope-intercept from of the line that passes through the point (3, 1) and is parallel to the line repres
Murljashka [212]
Parallel = same slope
Y = 2.4x + b
Plug in the point to find b
1 = 2.4(3) + b
1 = 7.2 + b
b = -6.2
Final equation: y = 2.4x - 6.2
3 0
2 years ago
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