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enyata [817]
3 years ago
10

Which of the following is a solution to the equation x^2 - 7x +5?

Mathematics
1 answer:
Dahasolnce [82]3 years ago
5 0
X^2-14+5 I’m not sure though
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Need the awnser for 3
Sidana [21]

Answer:

here u go

Step-by-step explanation:

< DBC (angle DBC)

5 0
2 years ago
Find the area of the shape shown below. NEED HELP ASAPPPPPPPPP
Fittoniya [83]
Answer: A = 7 unit^2

Explanation:

First let’s cut the shape into 1 square and 1 trapezoid.

After that we can calculate the 2 polygons individually

Find area of square:

A = 2 x 2 = 4

Find area of trapezoid:

A = (2 + 1)2/2 = 3

Find area of the whole shape
7 0
3 years ago
Part 2!
olga2289 [7]
Math is about number sense and matching patterns. You get number sense by playing with numbers: counting, arranging. Most people do not find it difficult to match patterns, as our brains are wired to see them--sometimes even when they aren't there.

The picture below is pretty much all you need to know to answer these questions. It is a short course on arithmetic and geometric sequences. (We have left out some simplifications that can be made to the formulas for Nth term, and we have not shown formulas for the sum of a sequence.)

1. Geometric sequence with first term 5, common ratio 2. It will have the formula
.. f(n) = 5*2^(n-1) . . . . . . I can't read your picture to tell whether that is B or D

2. Arithmetic sequence with first term 1 and common difference 3. It will have the formula
.. f(n) = 1 +3(n -1) . . . . . . matches A

3. Geometric sequence with first term 2 and common ratio 3/2 = 1.5. It will have the formula
.. f(n) = 2*1.5^(n -1) . . . . . matches C

4. Geometric sequence with first term 600 and common ratio 60/600 = 0.1. It will have the formula
.. f(n) = 600*0.1^(n-1)
This can be simplified using the rules of exponents to
.. f(n) = 600*(0.1^-1)*(0.1^n)
.. f(n) = 6000*0.1^n . . . . . . matches A

5. The sequence is 12, 11, 10, 9, .... It is an arithmetic sequence with first term 12 and common difference -1. It will have the formula
.. f(n) = 12 +(-1)*(n -1)
.. f(n) = 12 -(n -1) . . . . . . matches B

6. This is an arithmetic sequence with first term 8 and common difference -0.5. It will have the formula
.. f(n) = 8 -0.5(n -1)
.. f(n) = 8.5 -0.5n . . . . . . matches C

7 0
3 years ago
Read 2 more answers
TODAYTHIS WEEKCREDITS$Patricia was setting up a room with tables for an event. The room had9 maple tables, 10 poplar tables, 5 c
prohojiy [21]

As in each table can seat 8 people and the probability you need to find is about the first person you can ignore this data.

Probability that the first person to enter the room will be randomly seated at a maple table:

P(maple)=\frac{#maple\text{ }tables}{#total\text{ }tables}

#maple tables: 9

# total tables: 9 +10 +5 +7=31

P(maple)=\frac{9}{31}Then, the probability that the first person to enter the room will be randomly seated at a maple table is 9/31
3 0
10 months ago
What is this? (2 photos please look and just answer A, B, or C)
igomit [66]
I think the answer is C
7 0
3 years ago
Read 2 more answers
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