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Delvig [45]
3 years ago
12

3(x+7) simplify the expressions

Mathematics
2 answers:
Nitella [24]3 years ago
6 0

Answer:

3x + 21

Step-by-step explanation:

(3 × x) + (3 × 7)

3x + (3 × 7)

3x + 21

Ne4ueva [31]3 years ago
4 0

Answer:

3x+21

Step-by-step explanation:

you distribute the 3 which gives you 3x and 7x3 which is 21.

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What is the area of the triangle (-5,-2) (3,-1)
max2010maxim [7]

idk

Step-by-step explanation:

im to tired this sucks

3 0
3 years ago
Solve by factoring of finding square roots. X^2+2x+1=0
MAVERICK [17]
I hope this helps you

8 0
3 years ago
Alaina has 7 in her bank account and earns 6 each day . joel has 48 in his banck account and earn 8 earch day in how many days w
Elis [28]

Answer:

I think you wrote something wrong.

Step-by-step explanation:

If Alaina has $7 in her bank account and Joel had $48 in his Joel already has more then Alaina but I will attempt to teach you how to solve these types of problems.

for this example I'm giving Alaina 79 dollars.

First we know were starting with 79 dollars and increasing 6 dollars each day so the equation for this is; y = 6x + 79 that is Alaina's equation.

For Joel our equation will be; y = 8x + 48.

Since they already have 79 and 48 dollars in their bank we put those as our B in the equation cause they are our y-intercepts. (Y = mx + b) Next we know their increasing by 6 and 8 dollars a day so we make those our m. Once we have these equations we can plot them and see where the lines meet. (thats our answer) I plotted them on desmos graphing calculator.

They crossed at (15.5, 172) Which means it will take 16 days for Joel to catch up they will both have 172 dollars in the bank account on the 16th day.

Hope this helps!

8 0
3 years ago
The number of boots that 25 students had in their homes in Florida were recorded
wolverine [178]

Answer:

Min = 0; Q₁ = 0; Median = 2; Q₃ = 2; Max = 8

Step-by-step explanation:

Assume that your sorted data are

0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 4, 5, 8

1. Minimum

Min = 0

2. Median

The median is the middle value in a sorted data set. There are 25 items, so the median is the 13th item.

Median = 2

3. First quartile

Q₁ is the median of the lower half of the data set.

The median of 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 2 is 0.

Q₁ = 0

4. Third quartile

Q₃ is the median of the upper half of the data set.

The median of 2, 2, 2, 2, 2, 3, 3, 3, 3, 4, 5, 8 is 3.

Q₃ = 3

5. Maximum

Max = 8

7 0
3 years ago
Rectangle JKLM is reflected across the x-axis and then the y-axis. The point I was
Sunny_sXe [5.5K]

Reflection involves mirroring a point over a line.

<em>When L is reflected across the x and y axes, the new coordinates are (7,3)</em>

Given that:

(x,y) \to (-7,-3)

When a point is reflected across the x-axis, the rule is:

(x,y) \to (x,-y)

So, we have:

(-7,-3) \to (-7,3)

When a point is reflected across the y-axis, the rule is:

(x,y) \to (-x,y)

So, we have:

(-7,3) \to (7,3)

Hence, the new coordinates of L are (7,3)

Read more about reflections at:

brainly.com/question/17983440

8 0
3 years ago
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