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2 years ago

Find the value of 21 + 4(32 - 5). 37 25 100

Mathematics

2 answers:

neonofarm [45]2 years ago

7 0

Answer:

129

Step-by-step explanation:

21 + 4 (32 - 5)

using the distributive property

21 + 4× 32 - 4 × 5

21 + 128 - 20

129

Brainliest is appreciated

bija089 [108]2 years ago

4 0

21+4(32-5)=448

I think it’s 448

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In65 - lnX = 39<br> What does X=?

Hunter-Best [27]

Answer:

<h2>The answer is 7.47</h2>

Step-by-step explanation:

In this problem we are going find the natural logarithmic of the numbers involved and solve for x

$ln65-Ln x= 39\\$

from tables

$4.17-ln x= 39\4.17-39= lnx\\-34.83=lnx\\$

taking the exponents of both sides we have

$e^-^3^4^.^8^3= x\\x= 7.47$

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2 years ago

Which pair shows equivalent expressions?2(3x+ 2) = 23 x+1<br> 21ę x+ 2) = x+4<br> 2c 21= x+4)= 2

Ket [755]

Answer:

Option (2)

Step-by-step explanation:

Option (1).

$2(\frac{2}{5}x+2)=2\frac{2}{5}x+1$

$\frac{4x}{5}+4=\frac{12}{5}x+1$

Therefore, both the sides of the expression are not equal.

False.

Option (2).

$2(\frac{2}{5}x+2)=\frac{4}{5}x+4$

$\frac{4x}{5}+4=\frac{4}{5}x+4$

True.

Option (3).

$2(\frac{2}{5}x+4)=\frac{4}{5}x+2$

$\frac{4}{5}x+8=\frac{4}{5}x+2$

False.

Option (4).

$2(\frac{2}{5}x+4)=2\frac{2}{5}x+8$

$\frac{4x}{5}+8=\frac{12}{5}x+8$

Both the sides are not equal.

False.

7 0

3 years ago

A toy store marks down every toy bu 15% in January. How much does a toy cost during January? Use p for the price in December.

bagirrra123 [75]

Answer:

The correct answer is c.

Step-by-step explanation:

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3 years ago

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Tatiana [17]

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2 years ago

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Lilit [14]

Answer:

is there a picture or something?

6 0

2 years ago

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