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4 years ago

Question 1 (1 point)

Mathematics

1 answer:

Natalija [7]4 years ago

3 0

Answer: 20, 50, and 30

Step-by-step explanation:

A fact family includes the same set of numbers. For example relating to to this Using Subtraction and addition. When adding or Subtracting you should get the same set of numbers .

= 50 - 20 = 30

50 - 20 = 30 50 - 30 = 20

50 - 20 = 30 50 - 30 = 2020 + 30 = 50

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24 , Factor: x²-9 A (x + 3XX-3) B (x+3)2 с (x-3) (x+3)(x+3)

Katarina [22]

Answer:

(x-3)(x+3)

Step-by-step explanation:

We are given the expression $\displaystyle \large{x^2-9}$ :—

To factor this expression, we have a formula for it which is difference of two squares:—

$\displaystyle \large{a^2-b^2=(a+b)(a-b)}$

You can also swap from $\displaystyle \large{(a+b)(a-b)}$ to $\displaystyle \large{(a-b)(a+b)}$ via multiplication property.

From the expression, factor using the formula above:—

$\displaystyle \large{x^2-9=(x^2)-(3)^2}\\\displaystyle \large{x^2-9=(x-3)(x+3)}$

Therefore, the factored expression is:—

$\displaystyle \large{\boxed{(x-3)(x+3)}}$

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If you have any questions regarding the problem or need clarification of my answer/explanation, do not hesitate to ask in comment!

5 0

2 years ago

the lighting for a billboard is provided by solar energy. if 4 energy panels generate 10 watts of power, how many panels are nee

viktelen [127]

10/4
To get then watts per panel
550 / the Watts per panel to get the number of panels need

Always round this up if necessary

3 0

3 years ago

Help please!!

Phantasy [73]

I believe the SSS theorem as they both share/have side measurements (and no defined angles)

6 0

3 years ago

a rope is 12.5 feet long is being cut into smaller pieces of rope each 1.25 feet long. how many pieces of rope can be cut from t

Artemon [7]

It’s just simple division, 12.5/1.25=?

8 0

3 years ago

Read 2 more answers

A baseball team batted 250 times during the season. During the season they got 120 hits, 60 strikeouts, 50 flyouts and 20 ground

GuDViN [60]

Answer:

52%

Step-by-step explanation:

250 TAB (Team At Bats)

120 TH (Team Hits)

130 TBO [60+50+20] (Team Batted Out)

130/250 = 52% or .52

7 0

3 years ago