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3 years ago

What is 25 percent off of 350.00

Mathematics

2 answers:

Vedmedyk [2.9K]3 years ago

7 0

25% of 350 is 87.5 you then subtract 87.5 from 350.0 to get 262.5

e-lub [12.9K]3 years ago

3 0

87.5 you see you need to multiply .25 by 35.If there are zeros at the end of a decimel

you can remove them good luck

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Elimination method: ax+by=r, -bx+cy=s

Alex17521 [72]

$\left[\begin{array}{ccc}ax+by=r\\\\-bx+cy=s\end{array}\right]$

Isolate x for $ax+by=r$

$x= \frac{r-by}{a} ; a \neq 0$

Subsititute $x= \frac{r-by}{a}$

$-b \frac{r-by}{a} +cy=s$

Isolate r for : $-b \frac{r-by}{a}+cy=s$

$r=- \frac{as-acy-b^2y}{b} ; a \neq 0;b \neq 0$

For x : $\frac{r-by}{a}$

Subsititute r = $- \frac{as-acy-b^2y}{b}$

$x= -\frac{as-acy-b^2y}{b}/a$

$x = \frac{cy-s}{b}$

The solutions to the system of equations are:

$r= -\frac{as-acy-b^2y}{b}$ and <span> $x = \frac{cy-s}{b}$
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hope this helps!

3 0

3 years ago

The terminal side of an angle in standard position passes through P(–3, –4). What is the value of tan 0?

Murrr4er [49]

Answer:

tan(θ) = 4/3

Step-by-step explanation:

The tangent is the ratio of the y-coordinate to the x-coordinate:

... tan(θ) = (-4)/(-3) = 4/3

6 0

3 years ago

I really don’t understand year 7 algerbra

kupik [55]

Answer:

same here

Step-by-step explanation:

idekhshdhdhrhryryryrue

4 0

3 years ago

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F number please help me

Morgarella [4.7K]

Answer:

-15/16 or -0.9375

Step-by-step explanation:

3/5x=6 +7x

3x=30+35x

3x-35x=30

-32x=30

x= -15/16

6 0

3 years ago

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Sixteen stuStudents in a drama club want to attend a play the ticket price is $35 for each student and the transportation and me

Vaselesa [24]

Answer:

2 sweatshirts per student

Step-by-step explanation:

I'm not sure whether or not I understood this problem correctly, but I tried my best. Try to make your questions more clear in the future.

($35 per ticket * 16 students) + ($19 per sweatshirt * X sweatshirts sold) = $960

$560 from the sweatshirt + 19X = 960

19X = 960 - 560 = $400

X = 21 sweatshirt sold overall

Number of sweatshirt sold per student = 21/19 = 1.105 ---> 2 per student

5 0

3 years ago