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Aleks [24]
3 years ago
13

I need help with this

Mathematics
1 answer:
qwelly [4]3 years ago
8 0
The first diamond           
       10
 -2          -5
        -7
The second diamond
         13
  -1         -13
         -14
The third diamond
         -10
      2       -5
           -3   
Also please watch this video it will help promise:)
https://www.youtube.com/watch?v=IN-ZvCrkrno

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Your mom suggested ten different choices for you to eat for lunch over the next week at school. How many different ways can you
Serggg [28]

Answer:

B. 252

Step-by-step explanation:

To find the answer, you have to use the formula to calculate the number of combinations as in this case, the order in which the objects are selected doesn't matter:

nCr=n!/r!(n-r)!

n= number of sample points: 10

r= number of sample points in each combination: 5

10C5= 10!/5!(10-5)!

10C5= 10!/5!*5!

10C5= 252

According to this, the answer is that you have 252 different ways to choose your school lunch.

5 0
3 years ago
Write a sentence describing the meaning of the statement c(2)=40
aev [14]

Step-by-step explanation:

A number,c times two equal forty.

5 0
3 years ago
Use the discriminant to determine the number of solutions and types of solutions for the quadratic equation, below. Then answer
Setler79 [48]

Answer:

A. Discriminant = 116

B. Number of solutions for the quadratic equation = 2

C. Type of solutions (circle one):Imaginary

D. Type of solutions (circle one):irrational

Step-by-step explanation:

The given quadratic equation is

{x}^{2}  + 8x = 13

We rewrite in standard form to get;

{x}^{2}  + 8x   - 13 = 0

The discriminant is

D =  {b}^{2}  - 4ac

where a=1, b=8, c=-13

We substitute to get:

D =  {8}^{2}  - 4 \times 1 \times  - 13

D = 64  + 52

D = 116

Since the discriminant is great than zero, we have two distinct real roots

6 0
3 years ago
There are 17 students in the art club. Each student purchases 6 paintbrushes at $3 per brush. How much did the art club members
zaharov [31]

Answer:

$306

17 (6×3)

17 (18)

306

4 0
3 years ago
Read 2 more answers
Help with this question please
dimaraw [331]

The answer should be C

4 0
3 years ago
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