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3 years ago

9,654 rounded to the thousands place

Mathematics

2 answers:

grandymaker [24]3 years ago

8 0

The answer to this question is 10000

oksano4ka [1.4K]3 years ago

4 0

Answer:

10,000

Step-by-step explanation:

So 9 is the thousands place.

To round you just gotta see if 5 or up or 4 or down.

so it’s 5 or up so we add 1

so 10,000

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The line with equation ax+by=20 passes through the points(-2,10) and (1,5)<br>find a and b

Doss [256]

$ax+by=20 \\ \\(-2,10) \\ \\ a*(-2)+b*10 = 20 \\ \\-2a +10b = 20 \\ \\ (1,5)\\ \\ a*1+b*5 = 20 \\ \\ a +5b = 20$

$\begin{cases} -2a+10b =20\\ a+5b =20 \ /*2\end{cases} \\ \\\begin{cases} -2a+10b =20\\ 2a+10b =40 \end{cases}\\--------\\ 20b=60 \ / :20 \\ \\b=\frac{60}{20} =3$

$-2a+10b=20 \\ \\-2a +10*3=20 \\ \\-2a +30=20\\ \\-2a=20-30\\ \\-2a=-10 \ /: (-2)$

$a=\frac{10}{2}=5\\ \\\begin{cases} a= 5 \\b=3\end{cases}$

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4 years ago

Read 2 more answers

Which classification best describes figure ABCD below?

lukranit [14]

Answer:

Parralelogram

Step-by-step:

Both of the shapes sides are parrallel to the shapes opposite sides, if you need you can look at images of a parralelogram

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2 years ago

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A taxi service charges $1.00 for the first 1/10

Klio2033 [76]

Answer:

9/10=$1.08

2=$1.19

3 1/10=$1.30

10=$1.99

Step-by-step explanation:

9/10-1/10=8/10

8/10x0.10=0.08

1+0.08=1.08

Same process for all the rest

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3 years ago

Tell whether the angles are adjacent or vertical. Then find the value of x.

Nimfa-mama [501]

Answer:

adjacent, x=15

Step-by-step explanation:

the angels are connected so they are adjacent, the red box shows that it is a 90 degree angle so adding both angels together means 90=6x so x=15

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3 years ago

HELP ASAP!! Identify the matrix transformation of ΔPQR, which has coordinates P(−5, −2),Q(−6, −3), and R(−2, −3), for reflection

podryga [215]

Answer:

Matrix transformation = $\left[\begin{array}{ccc}-1&0\\0&1\end{array}\right]$

Vertices of the new image: P'= (5,-2), Q'= (6,-3), R'= (2,-3)

Step-by-step explanation:

Transformation by reflection will produce a new congruent object in different coordinate. Reflection to y-axis made by multiplying the x coordinate with -1 and keep the y coordinate unchanged. The matrix transformation for reflection across y-axis should be: $\left[\begin{array}{ccc}-1&0\\0&1\end{array}\right]$ .

To find the coordinate of the vertices after transformation, you have to multiply the vertices with the matrix. The calculation of the each vertice will be:

P'= $\left[\begin{array}{ccc}-1&0\\0&1\end{array}\right]$ $\left[\begin{array}{ccc}-5\\-2\end{array}\right]$ = (5,-2)

Q'= $\left[\begin{array}{ccc}-1&0\\0&1\end{array}\right]$ $\left[\begin{array}{ccc}-6\\-3\end{array}\right]$ = (6,-3)

R'= $\left[\begin{array}{ccc}-1&0\\0&1\end{array}\right]$ $\left[\begin{array}{ccc}-2\\-3\end{array}\right]$ = (2,-3)

3 0

3 years ago