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3 years ago

Brian draws a triangle on the coordinate plane and names it AMNB. The dilation

Mathematics

1 answer:

Shkiper50 [21]3 years ago

3 0

Answer:

Step-by-step explanation:

I am looking for the answers and I can’t find it

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the discount store is having a big sale. paper towels are two rolls for 1 dollar. disposable diapers are 3 dollars a box. if ser

Deffense [45]

Serena will get $13.00 in change from the 20 dollar bill.

4 0

3 years ago

Read 2 more answers

Carlin rode his bike 5 fewer miles than Katie rode hers. Carlin rode 47.5 miles. How many miles did Katie ride ?.

grigory [225]

Carlton (C) rode his bike 5 fewer miles then Katie (K)
C = K - 5
C = 47.5

C = K - 5
47.5 = K - 5
47.5 + 5 = K
52.5 = K <===

6 0

3 years ago

Read 2 more answers

PLEASE HELP!!

Bezzdna [24]

Answer:

$y=-\dfrac{9}{40}x^2+\dfrac{441}{40}\\ \\y=-\dfrac{9}{160}x^2+\dfrac{1,521}{160}$

Step-by-step explanation:

If a parabola has its vertex on the y-axis, then its equation is

$y=ax^2+b$

This parabola passes through the point R(3,9), then

$9=a\cdot 3^2+b\\ \\9=9a+b$

The area of the right triangle PQR is

$A_{PQR}=\dfrac{1}{2}\cdot PQ\cdot QR$

Find PQ and QR, if $P(x_1,0),\ Q(3,0),\ R(3,9):$

$PQ=\sqrt{(x_1-3)^2+(0-0)^2}=|x_1-3|\\\\QR=\sqrt{(3-3)^2+(0-9)^2}=9$

Now,

$40.5=\dfrac{1}{2}\cdot |x_1-3|\cdot 9\\ \\90=9|x_1-3|\\ \\|x_1-3|=10\\ \\x_1-3=10\ \text{or}\ x_1-3=-10\\ \\x_1=13\ \text{or }x_1=-7$

We get two possible points $P_1(-7,0)$ and $P_2(13,0).$

For point $P_1:\\$

$0=a\cdot (-7)^2+b\\ \\49a+b=0$

So,

$b=-49a\\ \\9=9a-49a\\ \\-40a=9\\ \\a=-\dfrac{9}{40}\\ \\b=\dfrac{441}{40}\\ \\y=-\dfrac{9}{40}x^2+\dfrac{441}{40}$

For point $P_2:\\$

$0=a\cdot (13)^2+b\\ \\169a+b=0$

So,

$b=-169a\\ \\9=9a-169a\\ \\-160a=9\\ \\a=-\dfrac{9}{160}\\ \\b=\dfrac{1,521}{160}\\ \\y=-\dfrac{9}{160}x^2+\dfrac{1,521}{160}$

5 0

3 years ago

Which equation is equivalent to the following?

goldenfox [79]

Answer:

4) 2(x - 3)^2 + 2(y + 5)^2 = 96.

Step-by-step explanation:

2x^2 – 12x + 2y^2 + 20y – 28 = 0

2(x^2 – 6) + 2(y^2 + 10y) = 28

2 ( (x - 3)^2 - 9)) + 2((y + 5)^2 - 25) = 28

2(x - 3)^2 - 18 + 2(y + 5)^2 - 50 = 28

2(x - 3)^2 + 2(y + 5)^2 = 28 + 18 + 50

2(x - 3)^2 + 2(y + 5)^2 = 96

3 0

4 years ago

Read 2 more answers

Difine complex fraction . give two example of a complex fraction

marin [14]

If in a fraction, the numerator or the denominator or both are fractions, then it is called a complex fraction.

Example 1:

$\frac{\frac{3}{4} }{7}$

Here, since the numerator is a fraction, it is a complex fraction.

Example 2:

$\frac{\frac{1}{2} }{\frac{3}{7} }$

Here, since the numerator and the denominator are fractions, it is a complex fraction.

6 0

3 years ago