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kondaur [170]
3 years ago
5

Help quick please!!!

Mathematics
1 answer:
jenyasd209 [6]3 years ago
4 0

Answer:

168

Step-by-step explanation:

you get 3.5% of 800 and then multiply it by 6.

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What is the solution of the system. Use the substution method. 3x+2y=11, x-2=-4y
liq [111]

Answer:

x=\frac{10}{3} and y=\frac{1}{2}

Step-by-step explanation:

  • To use the substitution method, we should take one of the equations, and obtain an expression for one of the variables from this equation. Let's take the first one: 3x-2y = 11. We obtain an expression for x (it could be for y as well):  3x = 11 + 2 y ⇒ x=\frac{11}{3}+\frac{2}{3} \times{y}.
  • Now, we should replace the expression obtain for x in the first equation, on the second equation, as follow
  • x-2=4y⇒ (\frac{11}{3}+\frac{2}{3}\times{y})-2=4\times{y}
  • Then rearranging terms \frac{11}{3}-2=4\times{y}-\frac{2}{3}\times{y}
  • This expression results in y=\frac{1}{2}
  • Finally, using the firs equation, in which we obtained an expression from x, x=\frac{11}{3}-\frac{2}{3} \times{y}, we replace y=1/2 and get x=\frac{11}{3}- \frac{2}{3}\times{\frac{1}{2} }, then x=\frac{10}{3}

3 0
3 years ago
PLS I NEED ASAP I WILL GIVE BRAINLIEST AND 30+ POINTS
Nadya [2.5K]

Question:

The diagram below shows the graph of a proportional relationship. The plotted point is (6,9) .

What is the unit rate of this graph? Be sure to simplify your answer.

Answer:

The unit rate of this graph is 1.5

Explanation:

The graph shows a proportional relationship and the plotted point is (6,9).

The unit rate of the graph can be determined by the formula,

\frac{y_{2}-y_{1}}{x_{2}-x_{1}}=m

Thus, from the graph, the coordinates are (0,0) and (6,9)

Substituting the coordinates in the formula, we have,

\frac{6-0}{9-0} =m

Subtracting, we get,

m=\frac{6}{9} =1.5

Thus, the unit rate of the graph is 1.5

7 0
3 years ago
How to write 5.85 as a percent
Olenka [21]

The answer would be 585%

8 0
3 years ago
Read 2 more answers
Find Lm=<br> Help me please thanks
Ymorist [56]

A triangle is a three-edged polygon with three vertices. The length of LM is 3√3 cms.

<h3>What is a triangle?</h3>

A triangle is a three-edged polygon with three vertices. It is a fundamental form in geometry. The sum of all the angles of a triangle is always equal to 180°.

The triangle formed by MN, MO, and NO is an equilateral triangle, with the length of each side of the triangle equal to the radius of the triangle. Therefore, the length of MN will be,

MN = r

Now, the length of arc MN can be written as,

2 × π × r × (60° /360°) = π

r = 360 / (60 × 2)

r = 3 cms

Further, the radius of the circle can be written as,

LO = ON = OM = MN = Radius = 3 cms

Since, the triangle formed in a semicircle is a right-angle triangle, therefore, using the Pythagorean theorem we can write,

LM² + MN² = LN²

LM² + MN² = (LO + ON)²

LM² + r² = (r+r)²

LM² + r² = 4r²

LM² = 3r²

LM² = 3(3²)

LM = √27 cms

LM = 3√3 cms

Hence, the length of LM is 3√3 cms.

Learn more about Triangle:

brainly.com/question/2773823

#SPJ1

4 0
2 years ago
Bernita and Derek each plot a number on a number line. The numbers are unique but have the same absolute value. The sum of the a
grandymaker [24]

Answer:

<h2>The answer is 75 and 75</h2>

Step-by-step explanation:

hope this helps!!

6 0
3 years ago
Read 2 more answers
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