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3 years ago

49,254 find value of 9

Mathematics

2 answers:

Kitty [74]3 years ago

7 0

It would be thousands

Alik [6]3 years ago

4 0

The value of 9 in 59,254 would be thousands

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7. In a regular polygon, adjacent interior and exterior angles are congruent

Aleks [24]

Answer:

This would be true for a rectangle and a square.

Step-by-step explanation:

Rectangles and square have 90 angles. The exterior angles would also equal 90 because 90 + 90 is 180. An interior angle and the exterior angle are supplements (add together to 180).

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2 years ago

if it would take billy an hour to race over to his girlfriends house and two hours if he went 20 miles per hour slower how far a

mel-nik [20]

Recall your d = rt, distance = rate * time.

now, let's say she lives "d" miles away, and so if Billy goes say at "r" mph fast to her house, he gets there in 1hr.

now, if he goes 20 mph slower, namely " r - 20 " mph, he gets there in 2 hours, same "d" miles.

$\bf \begin{array}{lccclll}
&\stackrel{miles}{distance}&\stackrel{mph}{rate}&\stackrel{hours}{time}\\
&------&------&------\\
\textit{Billy}&d&r&1\\
\textit{slower Billy}&d&r-20&2
\end{array}
\\\\\\
\begin{cases}
d=r(1)\implies d=\boxed{r}\\
d=2(r-20)\\
----------\\
d=2\left( \boxed{d}-20 \right)
\end{cases}
\\\\\\
d=2d-40\implies 40=d$

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3 years ago

Find all values of x that are NOT in the domain of h.

Firlakuza [10]

Answer:

if x=-1 then its is NOT in the domain of h.

Step-by-step explanation:

Domain is the set of values for which the function is defined.

we are given the function

h(x) = x + 1 / x^2 + 2x + 1

h(x) = x+1 /x^2+x+x+1

h(x) = x+1/x(x+1)+1(x+1)

h(x) = x+1/(x+1)(x+1)

h(x) = x+1/(x+1)^2

So, the function h(x) is defined when x ≠ -1

Its is not defined when x=-1

So, if x=-1 then its is NOT in the domain of h.

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3 years ago

Read 2 more answers

What is 5+2????????????????/

Amiraneli [1.4K]

Answer:well after careful consideration it’s 7

Step-by-step explanation: 1+1+1+1+1+1+1=7

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2 years ago

The purple shape is a dilation of the black shape. Is it an enlargement or reduction?

Zarrin [17]

The answer is a enlargement

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2 years ago