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Artemon [7]
3 years ago
5

Write an algebraic expression using n the sum of a number and 7

Mathematics
1 answer:
liubo4ka [24]3 years ago
6 0

Answer:

n+7

Step-by-step explanation:

When we have any unknown quantity, we can call it mostly x,y,z

so, here

Let take an unknown number = n

then

we need to do here " sum of a number and 7 in algebraic form"

so, it becomes

n + 7 (Answer)

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Can someone help me
Ulleksa [173]

Answer:

10°

Step-by-step explanation:

180-20 = 160

<BCA = 160°

AC=CB because its Radius

so the angle for <CBA and <BAD also the same

(180 - 160) ÷ 2 = <BAD

<BAD = 10°

4 0
3 years ago
Read 2 more answers
one bus leaves a stop every 9 minutes a second bus leaves every 15 minutes if they both leave at 1:25 at what time will they nex
aleksandrvk [35]
<span>In this question you need to find the lowest common multiple. I like to do it the factor tree way:<span>
<span>      15             9</span>
    /   \           / \
   3    5        3   3
See how there are both a 3 in the 15 factor tree and there is at least on three in the 9 factor tree. So when you find the LCM, you combine the two threes from the different factor trees like this:
3 x 5 x 3 = 45
So every 45 minutes the bus would be at the bus stop together

Now simply add the 45mins onto the 1:25 

<span>Answer: 2:10  </span></span></span>
3 0
3 years ago
Read 2 more answers
What value of x would make the figure a parallelogram (show your math please)
Verdich [7]

Answer:

2

Step-by-step explanation:

Diagonals of a parallelogram bisects each other.

Therefore,

4x = 8

x = 8/4

x = 2

Or

5x = 3x + 4

5x - 3x = 4

2x = 4

x = 4/2

x = 2

8 0
3 years ago
I have no idea what to do
kirill115 [55]

Answer:

Divide.

Step-by-step explanation:

6 0
3 years ago
The volume of a barn is given by the formula V = = r2h.
HACTEHA [7]

Answer:

it is what it is take a guess

Step-by-step explanation:

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3 years ago
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