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Art [367]
3 years ago
14

Please do any one of the word problems. Just tell me which one you did.

Mathematics
1 answer:
dybincka [34]3 years ago
7 0

Answer:

18

Step-by-step explanation:

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Help help help help |0.75−0.25z |= 3/4
Arada [10]
Z=0 I think it’s the answer
3 0
3 years ago
Read 2 more answers
What is <br> 5(2x+8)-5x=5(5x+6?
yanalaym [24]

5(2x+8)-5x=5(5x+6)

Distribute

10x+40-5x=25x+30

combine like terms

5x+40=25x+30

-5x       -5x

subtract 5x from both sides

40=20x+30

-30      -30

subtract 30 from both sides

10=20x

÷20   ÷20

divide both sides by 20

1/2=x is your final answer


4 0
3 years ago
Prove that <br><img src="https://tex.z-dn.net/?f=4cot45%20%5E%7B2%7D%20%20-%203tan%20%5E%7B2%7D%2060%20%2B%202sec%20%5E%7B2%7D60
sesenic [268]

Answer:

4 \cot {}^{2} (45)  - 3 \tan {}^{2} (60)  + 2 \sec {}^{2} (60)  = 3 \\

LHS = 4 \cot {}^{2} (45)  - 3 \tan {}^{2} (60)  + 2 \sec {}^{2} (60)  \\

let us first take a look at the values of the trigonometric ratios given in the question so that we get quite clear about what is to be done.

here ,

\cot(45)  = 1 \\  \\  \tan(60)  =  \sqrt{3}  \\  \\  \sec(60)  = 2

now ,

we just have to plug in the values considering certain other things given in the question and we're done!

so let's start ~

4(1) {}^{2}  - 3( \sqrt{3} ) {}^{2}  + 2(2) {}^{2}  \\ \\ \dashrightarrow \: 4(1) - 3(3) + 2(4) \\ \\ \dashrightarrow \: 4 - 9 + 8 \\\\ \dashrightarrow \: 12 - 9 \\ \\\dashrightarrow \: 3 = RHS

hence , proved ~

hope helpful :D

7 0
3 years ago
In Jessi's neighborhood, the ratio of families with kids to families without
romanna [79]

Answer:

there are 15 families with kids and 10 families without kids.

Step-by-step explanation:

what you would do is divide 15 by 5 and then add 5 + 5 + 5 which would be 15. so there are 15 families with kids. to get the other one then you would add 5 + 5 which is 10

3 0
3 years ago
If mZ2 = 44, find the measure of an angle that is supplementary to 24.
yaroslaw [1]

Answer:

The angle that is supplementary to angle ∠ Z2  is 136°

Step-by-step explanation:

Given as :

∠ Z2 = 44

Let The supplementary to ∠ Z2 = ∠x

∵ For Supplementary angle , measure of Two angles = 180°

Or,  ∠x  + ∠ Z2 = 180°

Or,  ∠x  + 44° = 180°

Or,   ∠x = 180° - 44°

So,   ∠x = 136°

Hence The angle that is supplementary to angle ∠ Z2  is 136°  Answer

8 0
3 years ago
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