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3 years ago

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A car’s odometer measures distance to the nearest 0.1 miles. Which is the most appropriate way to report the distance driven usi

ng the car’s odometer?
A. 182 miles

B. 200 miles

C. 181.7 miles

D. 181.77 miles

2 answers:

sleet_krkn [62]3 years ago

7 0

Pretty sure the answer is c

Mkey [24]3 years ago

3 0

I would think the answer would be C.

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1. what is the area of the board shown on the scale drawing? explain how you found the area.2. how can Adam use the scale factor

bixtya [17]

Answer:

1. 1800 square cm.

2. See below

3. 45000 square cm.

Explanation:

Part 1

The dimensions of the drawing are 36cm by 50cm.

$\begin{gathered} \text{The area of the board}=36\times50 \\ =1800\operatorname{cm}^2 \end{gathered}$

Part 2

Given a scale factor, k

If the area of the scale drawing is A; then we can find the area of the actual board by multiplying the area of the scale drawing by the square of k.

Part 3

$\begin{gathered} \text{Area of the scale drawing}=1800\operatorname{cm}^2 \\ \text{Scale Factor,k=5} \end{gathered}$

Therefore, the area of the actual drawing will be:

$\begin{gathered} 1800\times5^2 \\ =45,000\operatorname{cm}^2 \end{gathered}$

7 0

1 year ago

Pleaseeeeeee help me

leva [86]

Answer:

I dine at home

Step-by-step explanation:

6 0

2 years ago

Simplify the expression csc(-x)/1+tan^2x)

Charra [1.4K]

Assuming ya meant $\frac{csc(-x)}{1+tan^2(x)}$

to slimplify, we use a variation of the pythagorean identity and a decomposition into the sin and cos

for the pythaogreaon identity
$cos^2(x)+sin^2(x)=1$
divide both sides by $cos^2(x)$
$1+tan^2(x)=sec^2(x)$ since $\frac{sin(x)}{cos(x)}=tan(x)$
subsitute
$\frac{csc(x)}{sec^2(x)}$

recall that $csc(x)=\frac{1}{cos(x)}$
also that cos(x) is an even function and thus cos(-x)=cos(x)
therfore $csc(-x)=\frac{1}{cos(-x)}=\frac{1}{cos(x)}=csc(x)$
so we get

$\frac{csc(x)}{sec^2(x)}$
decompose them into $\frac{1}{cos(x)}$ and $\frac{1}{sin^2(x)}$ to get $\frac{\frac{1}{cos(x)}}{\frac{1}{sin^2(x)}}$
multiply by $\frac{sin^2(x)}{sin^2(x)}$ to get
$\frac{sin^2(x)}{cos(x)}$
we can furthur simlify to get
$(\frac{sin(x)}{cos(x)})(sin(x))=tan(x)sin(x)$
the expression simplifies to tan(x)sin(x)

5 0

3 years ago

Read 2 more answers

You Try!Owhich answers from the set make the inequality true? V > 10{3, 4, 7.9.5, 11.2 12}Qwhichanswers from the set make the

Komok [63]

1.

Checking the numbers that are greater than 10 in this set, we have:

11.2 and 12

2.

The numbers in this set that are lesser than or equal 9 are:

0, 4.5, 5 and 9

3.

Solving the inequality, we have:

$\begin{gathered} x+3>10 \\ x>10-3 \\ x>7 \end{gathered}$

Three values greater than 7 are:

8, 9, 10

4.

Solving the inequality, we have:

$\begin{gathered} 3x$

Three values smaller than 5 are:

4, 3, 2

5.

Solving the inequality, we have:

$\begin{gathered} \frac{x}{5}\ge2 \\ x\ge2\cdot5 \\ x\ge10 \end{gathered}$

Three values greater than or equal 10 are:

10, 11, 12

5 0

1 year ago

H=a+7 solve for variable a

STatiana [176]

Answer:

a = h-7

Step-by-step explanation:

h = a+7

Subtract 7 from each side

h-7 = a+7-7

h-7 =a

4 0

3 years ago