3 years ago

Which of the following equations could be used to find the area of the rhombus below?

Mathematics

1 answer:

ivolga24 [154]3 years ago

3 0

Answer:

The answer is C.

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Cual es resultado de 8.5 × 10^4 - 3.0 × 10^3

Veronika [31]

Simplify 10^4 to 10000

8.5x10000-3.0x10^3

Simplify 8.5x*10000 to 85000x
85000x-3.0*10^3
Simplify 3.0x10^3 to 3*10^3
Answer 85000x-3*10^3

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3 years ago

Plss help!<br>Question: Find a,b and c

Roman55 [17]

Answer:

See below, please

Step-by-step explanation:

The right：

${(y + c)}^{2} - b \times (x + a) \\ = ( {y}^{2} + 2yc + {c}^{2} ) - bx - ba =$

$= {y}^{2} - bx + 2cy + {c}^{2} - ab$

The left:

$= {y}^{2} - 7x - 18y + 109$

So, after comparing the right side and the left side of this equation, we know

$b = 7$

$2c = - 18 \\ so \\ c = - 9$

${c}^{2} - ab = 109$

So,

$a = \frac{ {c}^{2} - 109}{b} = \frac{ { (- 9)}^{2} - 109}{7} = \frac{ - 28}{7} = - 4$

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2 years ago

Help me!! Thank you for the help!!

VLD [36.1K]

Answer:

D. 0.34

Step-by-step explanation:

0.24²+0.31²=x² then you find the square root

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3 years ago

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An object’s speed decreases by 6% for each minute that it is slowing down. What is the percent that it’s speed will decrease ove

Zarrin [17]

It says decreasing so you have to turn it into a percent (.06%) and then sub tract that from 1. After that you put that into an equation.

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3 years ago

Look at the formula for finding the volume of a rectangular prism below.

krek1111 [17]

V = LWH.....to find W, divide both sides by LH
V / LH = W <===

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3 years ago