Complete the congruence statement

Mathematics

1 answer:

blondinia [14]3 years ago

3 0

Step-by-step explanation:

'll equals 64 there you go

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What is y when x is equal to 10 in 10x+y=19

Maurinko [17]

<span>10x+y=19

when x = 10:

substitute with x=10 into the equation given:

10(10) + y = 19

or:

100 + y = 19

bring 100 to the other side to be -100

y = 19 - 100

y = -81

That's it
</span>

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3 years ago

What is the slope of a line parallel to the line whose equation is 3 x + 3 y = − 27 3x+3y=−27.

Nata [24]

the answer is y=-1/1x-9 so the slope is -1 over 1

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3 years ago

An eagle can fly at a speed of 50 mph and a starling can fly at 78 mph. How far will the starling fly in the time it takes the e

disa [49]

Well, we know the eagle does 50 miles in 1hr, how long will it be for 125 miles?

well $\bf \begin{array}{ccllll}
miles&hours\\
\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\
50&1\\
125&x
\end{array}\implies \cfrac{50}{125}=\cfrac{1}{x}\implies x=\cfrac{125\cdot 1}{50}
\\\\\\
x=\cfrac{5}{2}$

so, the eagle for 125miles does them in 5/2 hours or 2hrs and a half

now, how far will the sterling go in 2hrs and a half?

well, we know the sterling does 75 miles in 1hr

thus $\bf \begin{array}{ccllll}
miles&hours\\
\textendash\textendash\textendash\textendash\textendash\textendash&\textendash\textendash\textendash\textendash\textendash\textendash\\
75&1\\
x&\frac{5}{2}
\end{array}\implies \cfrac{75}{x}=\cfrac{1}{\frac{5}{2}}\implies \cfrac{75}{x}=\cfrac{2}{5}$

solve for "x"

8 0

3 years ago

Read 2 more answers

The density of copper is 9.86 g/cm3.

eimsori [14]

Answer:

1.479 kg

Step-by-step explanation:

density = mass / volume

9.86 g/cm3 = mass / (3 x 10 x 5)

9.86 = mass / 150

9.86 x 150 = 1479 g