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OLEGan [10]
3 years ago
10

What is the expression- Add seven to a number, then multiply the quantity by eight?

Mathematics
1 answer:
vfiekz [6]3 years ago
6 0

Answer:

x + 7 = y // y x 8

Step-by-step explanation:

x = ?

y + ?

x and y are the variables, since we don't know what the values are

Hope this helps!!

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The ratio of peas marbles to white marbles and serious bag is equal to 1:5 of the bag contains pink marbles
inessss [21]
WHAt does that actually mean?

6 0
4 years ago
In triangle ABC, D is the midpoint of side AC and E is the midpoint of side BC.
cestrela7 [59]

Answer:

14

Step-by-step explanation:

Since all sides are half of greater triangle.Then 7 × 2 = 14 is length of greater hypotenuse.

Suppose two triangles with similar conditions

1^2+1^2=2

Hypotenuse=2^1/2

We assume another triangle which is exactly double of previous triangle I.e

2^2+2^2=8

Hypotenuse=2×2^1/2

Which is exactly twice of previous triangle.

Hence proved hyootenuse is double of smaller triangle I.e 14

8 0
3 years ago
Work out the size of the interior angle of a regular 18-sided polygon.
qaws [65]

Answer:

160°

Step-by-step explanation:

The formula below gives the measure of an interior angle of a regular polygon of n sides.

[(n - 2)180]/n

[(18 - 2)180]/18

16(10)

160

Answer: 160°

4 0
3 years ago
Show me the steps to (3x+3)-(4x+8)=
Murljashka [212]
\rm (3x+3)-(4x+8)= \\ 3x+3-4x-8= \\ \\ \bold{Answer:-x-5}
3 0
3 years ago
Read 2 more answers
Please help with this math question!
Contact [7]
All you need to do is find the perimeter to see how much dense is needed
23+14+23+14=74

Answer=74 feet of fence
8 0
3 years ago
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