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Georgia [21]
3 years ago
14

NEED HELP!! WILL GIVE BRAINLIEST!! PLEASE COMPLETE BOTH!

Mathematics
2 answers:
tatyana61 [14]3 years ago
6 0

Consider the first radical :

{:\implies \quad \sf 5\times 2\dfrac16}

Using the properties of mixed fraction, writing the mixed fraction as an improper fraction, we will be having

{:\implies \quad \sf 5\times \bigg(\dfrac{6\times 2+1}{6}\bigg)}

{:\implies \quad \sf 5\times \bigg(\dfrac{12+1}{6}\bigg)}

{:\implies \quad \sf 5\times \dfrac{13}{6}}

{:\implies \quad \sf \dfrac{65}{6}}

{:\implies \quad \boxed{\bf{10\dfrac56}}}

<em>Hence, Option D) is correct </em>

Now, coming to the 2nd question :

{:\implies \quad \sf 3\dfrac{1}{2}\times 1\dfrac{2}{3}}

{:\implies \quad \sf \bigg(\dfrac{3\times 2+1}{2}\bigg)\times \bigg(\dfrac{3\times 1+2}{3}\bigg)}

{:\implies \quad \sf \bigg(\dfrac{6+1}{2}\bigg)\times \bigg(\dfrac{3+2}{3}\bigg)}

{:\implies \quad \sf \dfrac{7}{2}\times \dfrac{5}{3}}

{:\implies \quad \sf \dfrac{35}{6}}

Now, Rewriting this improper fraction as mixed fraction, we will be having :

{:\implies \quad \boxed{\bf{5\dfrac56}}}

<em>Hence, Option C) is correct</em>

lutik1710 [3]3 years ago
5 0

Answer:

10 \frac{5}{6}\\\\5 \frac{5}{6}

Step-by-step explanation:

5 \times 2 \frac{1}{6}  \\  \\  = 5 \times  \frac{13}{6}  \\  \\  =  \frac{65}{6}  \\  \\  = 10 \frac{5}{6}  \\  \\  \\ 3 \frac{1}{2}  \times 1 \frac{2}{3}  \\  \\  =  \frac{7}{2}  \times  \frac{5}{3}  \\  \\  =  \frac{35}{6}  \\  \\  = 5 \frac{5}{6}

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To divide 3/8 ÷ 1/4 using a model, which of the following are true? Select all that are correct.
alina1380 [7]

So your answer according to these hints I provided for you, should lead you to your answer, which should in other words be,

The 1st. The 2nd. And I would say...The 4th. The reason why I say not the 3rd one is because the 4 has nothing to do with the 8, the 3 does because it's divided by it.

If it's not useful, feel free to report for mistake in answer. -_-



5 0
3 years ago
Can you help me with numbers 20-22 please a lot of points
arsen [322]
We could find the slope with this formula
m = (y₂ - y₁)/(x₂ - x₁)
with (x₁,y₁) and (x₂,y₂) are the points that is located on the line.


NUMBER 20
Given:
(x₁,y₁) = (-2,3)
(x₂,y₂) = (7,-4)

Solution:
Input the points to the formula
m = (y₂ - y₁) / (x₂ - x₁)
m = (-4 - 3) / (7 - (-2))
m = -7 / (7+2)
m = -7/9

The slope of the line is -7/9


NUMBER 21
Given:
(x₁,y₁) = (-6,-1)
(x₂,y₂) = (4,1)

Solution:
Input the points to the formula
m = (y₂ - y₁) / (x₂ - x₁)
m = (1-(-1)) / (4 -(-6))
m = (1+1) / (4+6)
m = 2/10
m = 1/5

The slope of the line is 1/5


NUMBER 22
Given:
(x₁,y₁) = (-9,3)
(x₂,y₂) = (2,1)

Solution:
Input the points to the formula
m = (y₂ - y₁) / (x₂ - x₁)
m = (1 - 3) / (2 - (-9))
m = -2 / (2 + 9)
m = -2/11

The slope of the line is -2/11
6 0
3 years ago
Using the figure below, solve for Y.
Ratling [72]

Answer:

143

Step-by-step explanation:

180 - 37 = 143.

We know this because y + 37 = 180

so we can does 180-37 to get our answer.

6 0
3 years ago
Read 2 more answers
Please help me !!!!!!!!!
lidiya [134]

Answer:

f(-2) = 0

f(1) = 12

f(2) = 5

Step-by-step explanation:

f(-2) will lie in the function f(x) =x^2 - 4

\therefore f( - 2) =  {( - 2)}^{2}  - 4 = 4 - 4 = 0

f(1) will lie in the function f(x) =2x^2 +10

\therefore f(1) = 2 {(1)}^{2}  + 10 = 2 + 10 = 12

f(2) will lie in the function f(x) =5

\therefore f(2) = 5

5 0
3 years ago
X-1.6=2.4+0.8x solve for x. <br><br>What did I do wrong?
trapecia [35]

\bf x-1.6=2.4+0.8x\implies \stackrel{\textit{subtracting 2.4}}{x-4=0.8x}\implies \stackrel{\textit{subtracting x}}{-4=0.8x-x} \\\\\\ -4=-0.2x\implies \cfrac{-4}{-0.2}=x\implies 20=x

3 0
4 years ago
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