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charle [14.2K]
3 years ago
11

Can someone help me with my math homework I don't get it and can you please explain how you did it. Also only help me with the h

ighlighter problems...

Mathematics
1 answer:
Vikentia [17]3 years ago
4 0
1) What you see as 3\frac{3}{8} can be also changed to only a fraction, by changing \frac{3}{1} to \frac{24}{8}, but since the question wants 2 as a whole number, we must take out \frac{24}{8} = 2 \frac{8}{8} and then add the 8 eights to the other 3, to get <span>2 \frac{11}{8} 

</span>for # 10- 13, you need to have the same number on the bottom of all the numbers being subtracted, that means turning the number that aren't fractions (like 4) into fraction, and then into fractions with the same denominators.

10) \frac{4}{1} changes to \frac{32}{8} to get \frac{32}{8} -  \frac{3}{8} =  \frac{29}{8} or 3\frac{5}{8}

11)\frac{5}{1} changes to \frac{50}{10} , and 2\frac{3}{10} to \frac{13}{10}to get \frac{50}{10}-\frac{13}{10}=\frac{37}{10} or <span>3\frac{7}{10}</span>

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One of the roots of the equation 3x^2+7x−q=0 is −5. Find the other root and q.
statuscvo [17]

Answer: The answer is \textup{The other root is }\dfrac{8}{3}~\textup{and}q=40.Step-by-step explanation:  The given quadratic equation is[tex]3x^2+7x-q=0\\\\\Rightarrow x^2-\dfrac{7}{3}x-\dfrac{q}{3}=0.

Also given that -5 is one of the roots, we are to find the other root and the value of 'q'.

Let the other root of the equation be 'p'. So, we have

p-5=-\dfrac{7}{3}\\\\\\\Rightarrow p=5-\dfrac{7}{3}\\\\\\\Rightarrow p=\dfrac{8}{3},

and

p\times(-5)=-\dfrac{q}{3}\\\\\\\Rightarrow \dfrac{8}{3}\times 5=\dfrac{q}{3}\\\\\\\Rightarrow q=40.

Thus, the other root is \dfrac{8}{3} and the value of 'q' is 40.

3 0
3 years ago
Which two integers is 115 between?
Lady_Fox [76]

<em><u>Answer:</u></em>

115 is between 114 and 116 because they are the integers that are directly bigger than 115 and smaller than 115.

8 0
3 years ago
The area of a rectangle is 168 square feet. The ratio of the width to the length is
nlexa [21]

Answer:

Width = 12 feet

Step-by-step explanation:

Given that,

Area of a rectangle is 168 square feet.

The ratio of the width to the length is  6:7.

Let the length is 7x and width is 6x.

According to question,

Area = 168 sq feet

l×b=168 sq feet

7x × 6x = 168

42x² = 168

x² = 4

x = 2

Length = 7x = 7(2) = 14 feet

Breadth = 6x = 6(2) = 12 feet

So, the width of the rectangle us 12 feet.

5 0
3 years ago
What shape do you get when you plot and join (in order) the following points? (3, 6), (7, 6), (9, 1) and (1, 1) | plz
Lelechka [254]

isosceles trapezoid

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3 0
2 years ago
Read 2 more answers
Ashley draws a square that has a diagonal of
xz_007 [3.2K]
The diagonal is the hypotenuse of a right triangle with the sides of the square as legs.
By Pythagoras (s = side)
s^2 + s^2 = 15^2
2s^2 = 225
s^2 = 112.5
s = sqrt(112.5)
s = 10.6 cm (to the nearest tenth)
5 0
3 years ago
Read 2 more answers
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