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4 years ago

Hey pls help 15 brain coins ;-;

Mathematics

1 answer:

Tema [17]4 years ago

7 0

The base length for each parallelogram is $1\frac{5}{8}$ yards.

Step-by-step explanation:

Step 1:

The area of a parallelogram is given by the product of its base length and height.

So the parameters needed to determine the area of a parallelogram are its base length and its height.

We must convert the mixed fractions into improper fractions. To do that we multiply the number with the denominator and add with it the numerator whereas the denominator remains the same.

To convert the fraction $3\frac{5}{7} = \frac{(3)(7)+5}{7} = \frac{26}{7}$ which is the area.

To convert the fraction $1\frac{1}{7} = \frac{(1)(7)+1}{7} = \frac{8}{7}$ which is the height of the parallelogram.

Step 2:

Assume the length of the parallelogram is x.

So the area of the parallelogram $= (x)(\frac{8}{7} ) = \frac{26}{7} .$

$x = (\frac{26}{7}) (\frac{7}{8} )= \frac{26}{8} .$ This is the base length for both parallelograms.

So each parallelograms base length $= \frac{\frac{26}{8} }{2} = \frac{13}{8} = 1\frac{5}{8}.$

So the base length for each parallelogram is $1\frac{5}{8}$ .

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What is the argument of -5\sqrt{3}+ 5i?

Shtirlitz [24]

Answer:

150 degrees

Step-by-step explanation:

Graphing the complex number we see the angle terminates in the second quadrant. This means the argument, the angle, will be between 90 degrees and 180 degrees.

So if we create a right triangle with that point after graphing it. We see the height of that triangle is 5 because that is the imaginary part. The base of that triangle has length $5\sqrt{3}$ . The problem is this doesn't give us any part of the angle we want, but it does give us the complementary of the part of the angle that is in second quadrant.

Let's find the complementary angle.

So the opposite side of the complementary angle is 5.

The adjacent side of the complementary angle is $5\sqrt{3}$ .

$\tan(\theta)=\frac{5}{5\sqrt{3}}$

$\tan(\theta)=\frac{1}{\sqrt{3}}$

$\theta=\tan^{-1}(\frac{1}{\sqrt{3}})$

$\theta=30$

So 90-30=60.

The answer therefore 60+90=150.

4 0

3 years ago

Sales Daria sells televisions. She earns a fixed amount for each television and an additional $25 if the buyer gets an extended

aliina [53]

Answer: Daria earns a fixed amount of $55 for each television.
Step-by-step explanation:
Let a represent the fixed amount that Daria earns for each television.
Daria earns a fixed amount for each television and an additional $25 if the buyer gets an extended warranty. This means that if she sells b televisions with extended warranties, the total amount that she would earn is
ab + 25b
If Daria sells 14 televisions with extended warranties,she earns $1,120. Therefore,
14a + 14 × 25 = 1120
14a + 350 = 1120
14a = 1120 - 350
14a = 770
a = 770/14
a = 55

5 0

3 years ago

Please help!!!!!!!!!!!!!!!

konstantin123 [22]

Here's a scenario that you can edit to your own advantage. You own a shirt shop. Each shirt sells for 15 dollars, and to make profit annually you need to sell $62,365 worth of shirts. If you've sold 2,000 shirts so far, how many shirts do you need to meet your quota. How many shirts on average per month would you have to sell?

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3 years ago

1/2 + 5/3 - 1<br>------------------<br> 3/4

Sav [38]

Hey there :)

$\frac{ \frac{1}{2}+ \frac{5}{3} -1 }{ \frac{3}{4} }$
↓ Is the same as
$\frac{1}{2} + \frac{5}{3} -1$ ÷ $\frac{3}{4}$

Since it is a division by fraction, we can multiply by what is called the reciprocal
( The attached picture might help you )
( $\frac{1}{2} + \frac{5}{3} - 1$ ) × $\frac{4}{3}$
↓ For this part, we need the common denominator, which is 6
$\frac{1(3)}{2(3)}+ \frac{5(2)}{32)} \frac{1(6)}{1(6)}$ × $\frac{4}{3}$

$\frac{3}{6}+ \frac{10}{6} - \frac{6}{6}$ × $\frac{4}{3}$
$\frac{7}{6}$ × $\frac{4}{3}$
$\frac{14}{9} = 1\frac{5}{9}$
↑
Your final answer

7 0

4 years ago

Select the two expressions equal to the area of this figure in square centimeters.

zepelin [54]

Answer:

1.(6*4) + (18*6) + (6*4)

1.(6*10) + (6*6) + (6*10)

Step-by-step explanation:

there are two ways to break this shape into three rectangles:

1.Top right rectangle, Top left rectangle, Bottom long rectangle

2. Left rectangle, Middle square, Right rectangle.

5 0

2 years ago

Hey pls help 15 brain coins ;-;​

Hey pls help 15 brain coins ;-;