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2 years ago

Simplify expressions using the distributive property

2 answers:

6 0

9x + 27
-2y + 20
4x - 24
30x + 12xy
15x + 2 (?)

~ I’m not sure abt the last one! I’m sorry if they’re incorrect and I hoped this helps! ~

Ludmilka [50]2 years ago

6 0

9x+27
-2y+20
4x-24
6x+12y+24x
I don’t understand the last one hope this helps

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Please help!

Mrrafil [7]

Answer:

$\sf C. \quad \dfrac{1}{9}$

Step-by-step explanation:

<u>Addition Law for Probability</u>

$\sf P(A \cup B)=P(A)+P(B)-P(A \cap B)$

Given:

$\sf P(A)=\dfrac{1}{3}=\dfrac{3}{9}$

$\sf P(B)=\dfrac{2}{9}$

$\sf P(A \cup B)=\dfrac{4}{9}$

Substitute the given values into the formula and solve for P(A ∩ B):

$\implies \sf P(A \cup B) = P(A)+P(B)-P(A \cap B)$

$\implies \sf \dfrac{4}{9} = \sf \dfrac{3}{9}+\dfrac{2}{9}-P(A \cap B)$

$\implies \sf P(A \cap B) = \sf \dfrac{3}{9}+\dfrac{2}{9}-\dfrac{4}{9}$

$\implies \sf P(A \cap B) = \sf \dfrac{3+2-4}{9}$

$\implies \sf P(A \cap B) = \sf \dfrac{1}{9}$

4 0

1 year ago

Read 2 more answers

Match each expression to its value.

Klio2033 [76]

1) 7-5 = 2
2)-7+ 5 = -2
3) -7-5 = -12
4)7 - (-5) = 12

hope this helps! feel free to mark brainliest

3 0

2 years ago

Read 2 more answers

Mrs. Pollo was making pizza. She used 3/8 of a cup of olives to make 1 pizza. At this rate, what amount of olives would she use

-BARSIC- [3]

Answer is 3/16 cup
She used 3/8 cup of olives on one pizza
She is going to use 1/2 of 3/8 cup for 1/2 pizza
1/2 of 3/8 = x
Multiply (1/2)(3/8) =
3/16 cup of olives

4 0

2 years ago

Read 2 more answers

(5a^2+6a+2)-(7a^2-7a-5)

krok68 [10]

For this case we must simplify the following expression: $(5a^ 2 + 6a + 2) - (7a^ 2-7a-5) =$

We eliminate the parentheses taking into account that:

$- * + = -\\- * - = +$

So:

$5a ^ 2 + 6a + 2-7a ^ 2 + 7a + 5 =$

We add similar terms taking into account that:

Equal signs are added and the same sign is placed.

Different signs are subtracted and the major sign is placed.

$5a ^ 2-7a^2 + 6a + 7a +2 +5 =\\-2a ^ 2 + 13a + 7$

Answer:

$-2a ^ 2 + 13a + 7$

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3 years ago

Mark the congruent parts of the triangles and complete the proof

eimsori [14]

1) given

2) definition of an angle bisector

3) reflexive

4) $\triangle ABD \cong \triangle CBD$ (ASA)

5) $\angle A \cong \angle C$ (CPCTC)

3 0

1 year ago