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alexgriva [62]
3 years ago
14

Do the ratios 4/ 10 and 1/ 2 form a proportion?

Mathematics
2 answers:
Mama L [17]3 years ago
6 0

Answer:

No it doesn't

Step-by-step explanation:

4 * 2 = 10 * 1

8 = 10 * 1

8 = 10

and then you can see it doesn't form one

astra-53 [7]3 years ago
4 0

Answer: I’m not sure

Step-by-step explanation:

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10 hours to 6 hours find the percent of change
gregori [183]

Answer:

40% change

Step-by-step explanation:

6/10=40%

8 0
3 years ago
If <img src="https://tex.z-dn.net/?f=f%28x%29%3D3%5Ex" id="TexFormula1" title="f(x)=3^x" alt="f(x)=3^x" align="absmiddle" class=
SOVA2 [1]

$f(x)+f(x+1) \stackrel{1}{=} 3^x+3^{x+1} \stackrel{2}{=} 3^x+3^x\cdot3^1\stackrel{3}{=}3^x+3\cdot3^x\stackrel{4}{=}4\cdot3^x\stackrel{5}{=}4\cdot f(x)

1) Substitution from definition.

2) We use $x^{a+b}=x^a\cdot x^b

3) We are changing the order of 3 and 3^x.

4) We add 1 and 3 3^x and we get 4\cdot 3^x

5) Substitution from definition (but the other way than at the beginning).

8 0
3 years ago
7. The terminal side of theta, and angle in standard position, intersects the unit circle at
SIZIF [17.4K]

Complete question is;

The terminal side of angle θ in standard position, intersects the unit circle at P(-10/26, -24/26). What is the value of csc θ?

Answer:

csc θ = -13/12

Step-by-step explanation:

We know that in a unit circle;

(x, y) = (cos θ, sin θ)

Since the the terminal sides intersects P at the coordinates P(-10/26, -24/26), we can say that;

cos θ = -10/26

sin θ = -24/26

Now we want to find csc θ.

From trigonometric ratios, csc θ = 1/sin θ

Thus;

csc θ = 1/(-24/26)

csc θ = -26/24

csc θ = -13/12

7 0
3 years ago
8.5 + 4(1 - 2.5k) = - 24.5 solve and round to the narest humdredth
Yuri [45]

Answer:

  k = 3.70

Step-by-step explanation:

Eliminate parentheses, then subtract the constant term on the left

  8.5 +4 -10k = -24.5

  -10k = -37 . . . . . . . . . . 12.5 subtracted from both sides

  k = 3.70 . . . . . . . . . . . both sides divided by -10 (no rounding required)

7 0
3 years ago
Find the quotient of 2/3 and 4/5
Lorico [155]

Answer:

\frac{5}{6}

Step-by-step explanation:

\frac{2}{3} /  \frac{4}{5}

\frac{2}{3} *  \frac{5}{4}

Simplified

\frac{1}{3} *  \frac{5}{2}

\frac{5}{6}

8 0
4 years ago
Read 2 more answers
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