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Ghella [55]
3 years ago
10

If 3 × (2 + 3) = ●, which expression is equal to ●?

Mathematics
2 answers:
IceJOKER [234]3 years ago
8 0
2+3 is 5 and 5x3 is 15 therefore the answer is 15
Lina20 [59]3 years ago
4 0
Order of operations!

Hint! PEMDAS 

Parenthesis

Exponents 

Mulitply 

Divide 

Adding 

Subtracting

3×(2+3)

3×5

Answer=15

Hope it helped you!
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Which expressions are equivalent to 4b ?
aivan3 [116]

Answer:

They are b and c.

Step-by-step explanation:

Let's simplify each expression:

a. b+2 (b+2b)

= b + 2b + 4b = 7b.

b.  3b + b = 4b.

c. 2(2b) = 2 * 2b = 4b.

5 0
3 years ago
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Given n//p m<2=50 degrees what is m<7?
Bogdan [553]

Answer: m∠7=130°

Step-by-step explanation:

  If two parallel lines are cut by another line (transversal), each one will have four angles surrounding the intersection.

By definition,  the adjacent angles of each parallel line, are supplementary, this means that they add up 180°.

Then, if m∠2=50°, then  m∠3 is:

m∠3=180-50=130°

By definition, the angles that are in the same relative position are know as corresponding angles and they are congruent.

Therefore:

m∠3=m∠7

m∠7=130°

3 0
3 years ago
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A home improvement store rents vacuums at $45 for the first day and $22 for each day thereafter. If y represents the total cost
Gwar [14]

Answer with explanation:

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Amount charged per day after first day = $ 22

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x=Number of days Rented

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→→Total amount charged(y)=45+22x-22

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is, the required function.

7 0
3 years ago
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Bas_tet [7]

Answer:

The slope of the line of best fit is \frac{-6}{7}  ⇒ 2nd option

Step-by-step explanation:

The formula of the slope of a line is m=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}

<em>To find the slope of the best line fit choose two points their positions make the number of the points over the line equal to the number of the points below the line</em>

From the attached graph points (1 , 9) and (8 , 3) are the best choice

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∴ x_{1} = 1 and x_{2} = 8

∴ y_{1} = 9 and y_{2} = 3

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∴ m=\frac{3-9}{8-1}=\frac{-6}{7}

∴ The slope of the line of best fit is \frac{-6}{7}

6 0
3 years ago
Please help ASAP 25 pts + brainliest to right/best answer
zhuklara [117]

Answer:


Step-by-step explanation:

LOGb(x)=y

4^5=1024

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4 0
3 years ago
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