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Ahat [919]
3 years ago
6

Which pair shows equivalent expressions?

Mathematics
2 answers:
Elodia [21]3 years ago
7 0

Answer:

C. 2(2/5x + 2) = 4/5 x +2

Explanation:

2 x 2/5= 4/5,

Multiply 2 by 2/5 which equals 4/5

After multipling you have 4/5 + 2.

C is the only answer that has 4/5 + 2 on both sides giving you,

4/5 x + 2 = 4/5 x +2

balu736 [363]3 years ago
3 0

Answer:

2(2/5x+2)= 2*2/5x + 2*2= 4/5x+4

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A 25-foot long ladder is propped against a wall at an angle of 18° with the wall. how high up the wall does the ladder reach? ro
Alecsey [184]

Answer

Find out the how high up the wall does the ladder reach .

To proof

let us assume that the height of the wall be x .

As given

A 25-foot long ladder is propped against a wall at an angle of 18° .

as shown in the diagram given below

By using the trignometric identity

cos\theta = \frac{Base}{Hypotenuse}

now

\theta = 18^{\circ}

Base = wall height = x

Hypotenuse = 25 foot

Put in the trignometric identity

cos18^{\circ} = \frac{x}{25}

cos18^{\circ} = \bar{0.9510565162}

x = 23.8 foot ( approx)

Therefore the height of the  ladder be 23.8 foot ( approx) .

8 0
3 years ago
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The function f(x) = 800(1.09)4x shows the growth due to interest that Jim earns on an investment. The steps to calculate an equi
lbvjy [14]
Ok, make sure you put the powers correctly. I know what you mean but someone else may not. So it's step 2. This is because the 4 doesn't mean add a digit.
7 0
3 years ago
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Algebraic expressions and translations<br> Solve -3+5×=8
vovangra [49]

Answer:

x = 11/5

Step-by-step explanation:

-3 + 5x = 8

5x = 8 + 3

5x = 11

x = 11/5

Mark me brainliest

8 0
3 years ago
−0.63p − 5.04 + 3.57 = 7.05 + 2.21p?
grandymaker [24]

Answer:

p = -3

Step-by-step explanation:

−0.63p − 5.04 + 3.57 = 7.05 + 2.21p

−0.63p − 1.47 = 7.05 + 2.21p    (add 0.63p to both sides)

− 1.47 = 7.05 + 2.21p + 0.63p

− 1.47 = 7.05 + 2.84p  (subtract 7.05 from both sides)

− 1.47 - 7.05 =  2.84p

-8.52 = 2.84p  (rearrange)

2.84p = -8.52   (divide both sides by 2.84)

p = -8.52 / 2.84

p = -3

6 0
3 years ago
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This month Salesperson A made 11% of $67,530. Salesperson B made 8% of $85,740. Who made more commission this month? How much di
laiz [17]

Answer:

Salesman A made $569.1 more commission than salesman B

Step-by-step explanation:

(11/100)*67530= (amount made by salesperson A)

=7428.3

(8/100)*85740= (amount made by salesperson B)

=6859.2

A-B= 569.1

Hope this helps :D

6 0
3 years ago
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