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ale4655 [162]
3 years ago
13

Nhich equation represents a line that passes through (-9, -3) and has a slope of -6?

Mathematics
1 answer:
andre [41]3 years ago
7 0

Answer:

D

Step-by-step explanation:

Y--3/x--9=-6

Y+3=-6(x+9)

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Jules purchased a box of baseball cards for her collection. The original price was $22.80, but the store was having a sale with
loris [4]

Answer:

The cost of the baseball cards cost with the discount is $17.1.

Step-by-step explanation:

Given : Jules purchased a box of baseball cards for her collection. The original price was $22.80, but the store was having a sale with \frac{1}{4} off the price of all baseball cards.

To find : How much did the baseball cards cost with the discount?

Solution : The original price of baseball cards is $22.80

There is off of  \frac{1}{4} of the original price.

First we find the discount on original price

22.80\times\frac{1}{4}=5.7

Discount is $5.7

So, The cost of the baseball cards cost with the discount is

Cost = Original - Discounted

Cost = $22.80 - $5.7

Cost = $17.1

Therefore, The cost of the baseball cards cost with the discount is $17.1.

6 0
3 years ago
If JL = 30, JK = 18, and LM = 6, then the value of LN is:
harina [27]

Answer:

LN = 15

Step-by-step explanation:

The arrows on the line segments indicate they are parallel.

\implies \overline{KM} \parallel \overline{JN}

<u>Triangle Proportionality Theorem</u>

If a line parallel to one side of a triangle intersects the other two sides of the triangle, then it divides these two sides <u>proportionally</u>.

\textsf{If }\overline{KM} \parallel \overline{JN}, \textsf{ then }\dfrac{LK}{LJ}=\dfrac{LM}{LN}

Given:

  • LM = 6
  • JL = 30
  • JK = 18

⇒ LK = JL - JK = 30 - 18 = 12

Substituting the values into the equation and solving for LN:

\begin{aligned}\implies \dfrac{LK}{LJ} & = \dfrac{LM}{LN}\\\\\dfrac{12}{30} & = \dfrac{6}{LN}\\\\12LN & = 30 \cdot 6\\\\LN & = \dfrac{180}{12}\\\\LN & = 15\end{aligned}

7 0
2 years ago
Read 2 more answers
Help plssss I need helpppp
stepan [7]

Answer: 117cm^2

Step-by-step explanation:

Arectangle = L*W

= 54cm^2

Atrapezoid = 1/2 (a+b) (h)

= 1/2 (15+6) (6)

= 1/2 (21) (6)

= 1/2 (126)

= 63cm^2

3 0
2 years ago
Suppose that the length l, width w, and perimeter P of a rectangle are differentiable functions of t. Suppose also that the leng
Paraphin [41]

Answer:

\dfrac{dP}{dt}=8\dfrac{dw}{dt}

Step-by-step explanation:

The perimeter, <em>P</em>, is given by

P(t) = 2(l(t)+w(t))

Since l(t) = 3w(t) + 22,

P(t) = 2(3w(t) + 22+w(t)) = 2(4w(t)+22) = 8w(t)+44

Differentiating <em>P</em> with respect to <em>w</em>,

\dfrac{dP}{dw} = 8

But

\dfrac{dP}{dw} = \dfrac{dP}{dt}\times \dfrac{dt}{dw} = \dfrac{dP}{dt}/\dfrac{dw}{dt}

\dfrac{dP}{dt} = \dfrac{dP}{dw} \times \dfrac{dw}{dt} = 8\dfrac{dw}{dt}

3 0
3 years ago
Find the binomial distribution for flipping a coin 3 times, where “heads” is a success. P(k successes) = nCk pk(1 – p)n – k P(0
FromTheMoon [43]
0 successes= 0.125
1 success= <span> 0.375</span>
2 successes= 0.375
3 successes= 0.125
5 0
3 years ago
Read 2 more answers
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