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AlexFokin [52]
3 years ago
15

7/10 divide by 1/5 - 4/3 x 10/11

Mathematics
2 answers:
Readme [11.4K]3 years ago
8 0

<u>Answer:</u>

2\frac{19}{66}

<u>Step-by-step explanation:</u>

We are given the expression:

\frac{\frac{7}{10} }{\frac{1}{5} } -\frac{4}{3} *\frac{10}{11}

So we will be following the standard order of operations to solve this expression.

Taking the reciprocal of the denominator of the first fraction to convert it to multiplication.

\frac {7}{10} * \frac {5}{1} - \frac {4}{3} * \frac {10}{11}

3 \frac {1}{2}  - 1 \frac {7}{33}

2\frac{19}{66}

Karolina [17]3 years ago
7 0

Answer:

(-340)/231

Step-by-step explanation:

Simplify the following:

((-34)/33)/(7/10)

Multiply the numerator by the reciprocal of the denominator, ((-34)/33)/(7/10) = (-34)/33×10/7:

(-34×10)/(33×7)

33×7 = 231:

(-34×10)/231

-34×10 = -340:

Answer:  (-340)/231

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How many solutions are there to the system of equations?
hichkok12 [17]

Answer: The system of equations has NO SOLUTION.

Step-by-step explanation:

The equation of the line in Slope-Intercept form is:

y=mx+b

Where "m" is the slope and "b" is the y-intercept.

Given the following system of equations:

\left \{ {{4x-5y=5} \atop {-0.08x+0.10y=0.10}} \right.

Write the first equation and solve for "y" in order to express it in Slope-Intercept form:

4x-5y=5\\\\-5y=-4x+5\\\\y=\frac{-4x}{-5}+\frac{5}{-5}\\\\y=0.8x-1

You can identify that:

m=0.8\\b=-1

Apply the same procedure with the second equation. Then:

-0.08x+0.10y=0.10\\\\0.10y=0.08x+0.10\\\\y=\frac{0.08x}{0.10} +\frac{0.10}{0.10}\\\\y=0.8x+1

You can identify that:

m=0.8\\b=1

The slopes of both lines are equal, therefore  the lines are parallel and the system has NO SOLUTION.

7 0
4 years ago
Read 2 more answers
Evaluate the given algebraic expression for x= 8.<br> 6 + 8x
statuscvo [17]

Answer:

70

Step-by-step explanation:

8(8) + 6 = 64 + 6 = 70

7 0
3 years ago
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Which of the following is a polynomial?
miss Akunina [59]

Answer:

D.

Step by step explanation:

In mathematics, a polynomial is an expression consisting of variables and coefficients, that involves only the operations of addition, subtraction, multiplication, and non-negative integer exponentiation of variables.

(Thanks to ueknfiowlmneuYIBKt for helping! His profile is at brainly.com/app/profile/39601187)

<u><em>Hope this helps!</em></u>

7 0
3 years ago
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Find y<br> Round to the nearest tenth:<br> 28°<br> X<br> 350 ft<br> y<br> y = [ ? ]ft<br> Enter
NeTakaya

Answer:

y = 658.3 ft

Step-by-step explanation:

Angle of depression = angle of elevation = 28° (alternate angles are congruent)

Reference angle = 28°

Side length opposite to reference angle = 350 ft

Adjacent = y

Apply trigonometric function, TOA:

Tan 28 = Opp/Adj

Tan 28 = 350/y

y*Tan 28 = 350

y = 350/Tan 28

y = 658.254263 ≈ 658.3 ft (nearest tenth)

7 0
3 years ago
3.Maggie drives three times the number of
RUDIKE [14]

Answer:

Step-by-step explanation:

Let the number of hours driven by Maggie be x and that of Alan be y

If Maggie and Alan drive for a total of 32 hours, then;

x+y = 32 ..... 1

Also if Maggie drives three times the number of  hours that Alan drives on their vacation, then x = 3y ...... 2

Substitute eqn 2 into 1;

x+y = 32

3y+y = 32

4y = 32

y = 32/4

y = 8 hours

Since x = 3x

x = 3(8)

x = 24 hours

Hence Maggie drives for 24 hours and Alan drives for 8 hours

5 0
3 years ago
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