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Westkost [7]
2 years ago
9

Help me with this!!!!!

Mathematics
1 answer:
myrzilka [38]2 years ago
6 0

Answer:

40

Step-by-step explanation:

The formula for a rhombuses area is (pq)/2. If we fill in the values, we get 80/2 = 40

Hope this helped! If this is incorrect, please tell me and I will fix it as soon as possible!

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Does anyone know the answer to this?
Assoli18 [71]

Answer:

Step-by-step explanation:

 

Percent: The percent is the number with the % symbol: 20%.

 

Base: The base is the whole amount, which in this case is unknown.

Amount: The amount based on the percent is 40

Base = unknown

8 0
3 years ago
Find the product of the solutions
irina1246 [14]

Answer:

A.  -41/15.

Step-by-step explanation:

15x^2 + 23x - 41 = 0

Product of the roots of ax^2 + bx + c = c/a.

Thus the product of the roots of this equation = -41/15.

7 0
3 years ago
Write the ratio of the area of a circle with radius r to the circumference of the same circle
Goshia [24]

Answer:

\frac{r}{2\pi r} =\frac{1}{2\pi }

Step-by-step explanation:

A ratio is a comparison of two quantities and can be written in several forms including fractions. It is most commonly written in fraction form or a:b.

To write a ratio, we count the number of each quantity we are comparing or use the variable for that quantity. We write radius:circumference. Recall, the circumference of a circle can be found using \pi d or 2\pi r.

We write r: \pi d  or r:2\pi r.

We can also write in fraction form:

\frac{r}{\pi d} or \frac{r}{2\pi r} =\frac{1}{2\pi }


6 0
3 years ago
A hot air ballon descends at a rate of 320 feet per minute for 3 minutes. Use integers to calculate and represent the balloon's
Crank
You multiply 320 by 3 and the answer is 960
8 0
3 years ago
Read 2 more answers
I need help to solve please
antiseptic1488 [7]

Answer:

<h2><em><u>x = 52</u></em></h2>

Step-by-step explanation:

<em><u>Known:</u></em>

What to find = x

Exterior angle = 142

Right angle = 90

<em><u>Unknown:</u></em>

what unknown value is = ?

Interior angle = ?

<em><u>1. Find the angle of the interior angles.</u></em>

180 - 142 = 38

<em><u>2. Add the two known angles</u></em>

38 + 90 = 128

<em><u>3. Subtract from 180</u></em>

180 - 128 = 52

<h2><em><u>x = 52 is the answer.</u></em></h2>

Hope this helped,

Kavitha Banarjee

6 0
3 years ago
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