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2 years ago

10

Can someone help me? i dont understand 3

1 answer:

Helga [31]2 years ago

6 0

Answer:

What to know about the lines is the exact point is 0 what you need to know to find that is answer 1, 2 and 3

Step-by-step explanation:

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The sum of two numbers is 75. The second number is 3 less than twice the first

Mandarinka [93]

Answer:

$\large{\textbf{The two numbers are: 26 and 49}.\\}$

Step-by-step explanation:

$\large{\textup{assume the two numbers are $x$ and $y$.}}\\\large{\textup{The given sentences are written in mathematical terms as follows:}\\$$ x + y = 75 \hspace{25mm} (1)$$ $$ y = 2x - 3 \hspace{25mm} (2) $$ \\\textup{Substituting $(2)$ in $(1)$,}\\\begin{align*} & \implies x + 2x - 3 = 75 \\& \implies 3x = 78 \\& \implies x = 26\end{align*}\textup{Substituting $x$ in $(1), \hspace{5mm} y = 49$} }$

7 0

3 years ago

$2.99 socks; 5.5% discount

MaRussiya [10]

Just divide it and you will get the answer

5 0

4 years ago

There is a blizzard, and Matt notices that the snow is falling at a constant rate. Two hours after the beginning of the snowstor

MaRussiya [10]

Answer:

2 inches per hour, 5 inches, y=2x+5

Step-by-step explanation:

No, I don't think I will

8 0

3 years ago

For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain and range.

shepuryov [24]

Answer:

pretty sure it's B

Step-by-step explanation:

domain is x numbers and that has all the x numbers in it

4 0

3 years ago

Read 2 more answers

I really need help with this, thank you!!!

Lyrx [107]

Answer:

6. 60°

7. 5.19559

8. 7.96011

Step-by-step explanation:

6. The sum of angles in a triangle is 180°, so the remaining angle is ...

180° -40° -80° = 60°

7. The lengths of sides are proportional to the sine of the opposite angle (Law of Sines).

a = c·sin(A)/sin(C) = 7·sin(40°)/sin(60°) ≈ 5.19559

8. Same explanation as 7.

b = c·sin(B)/sin(C) = 7·sin(80°)/sin(60°) ≈ 7.96011

3 0

3 years ago

Read 2 more answers