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3 years ago

13

I need help with this

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.

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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.

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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

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3 years ago

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zaharov [31]

Answer:

$306

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306

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3 years ago

Read 2 more answers

Help with this question please

dimaraw [331]

The answer should be C

4 0

3 years ago