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SashulF [63]
3 years ago
5

A party size bag of tortilla chips normally costs 3.80. The supermarket has them on sale today for 2.85.what is the percentage o

f the discount?
Mathematics
2 answers:
3241004551 [841]3 years ago
8 0
The percentage of the discount is 75%
galben [10]3 years ago
6 0
So from 3.80 to 2.85, is a difference of 0.95 or 95 cents.

now, if we take 3.80 to be the 100%, what is 0.95 off of it in percentage?

\bf \begin{array}{ccll}
amount&\%\\
\text{\textemdash\textemdash\textemdash}&\text{\textemdash\textemdash\textemdash}\\
3.80&100\\
0.95&p
\end{array}\implies \cfrac{3.80}{0.95}=\cfrac{100}{p}\implies p=\cfrac{0.95\cdot 100}{3.80}
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!Help me please! <br> I need help
nordsb [41]

Answer:  multiple them all together or add them

Step-by-step explanation:

6 0
2 years ago
The hours of daylight, y, in Utica in days x from January 1, 2013 can be modeled by the equation y = 2.89sin(0.0145x-1.40) + 10.
Pie

Answer:

9.3 hours

Step-by-step explanation:

Given

y = 2.89\sin(0.0145x-1.40) + 10.99.

Required

Hours of sunlight on Feb 21, 2013

First, calculate the number of days from Jan 1, 2013 to Feb 21, 2013

days = 52

So:

x = 52

So, we have:

y = 2.89\sin(0.0145x-1.40) + 10.99.

y = 2.89\sin(0.0145*52-1.40) + 10.99.

y = 2.89\sin(0.754-1.40) + 10.99.

y = 2.89\sin(-0.646) + 10.99.

y = 2.89*-0.6020 + 10.99.

y = -1.740 + 10.99.

y = 9.25

<em></em>y = 9.3<em> --- approximated</em>

8 0
2 years ago
HELP PLEASEEEEEEEEEEE
professor190 [17]
Question 5:
x/3=6
x=3(6)
x=18

Question 4:
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k=4.83/2.3
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y=3/4-1/2
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4 0
2 years ago
Write 265000 in standerd form
Elena-2011 [213]

Answer:

2.65 \times  {10}^{5}

Step-by-step explanation:

2.65 \times 10 ^{5}  \\ 2.65 \times 100000 \\  = 265000

4 0
3 years ago
Read 2 more answers
Verify identity list steps. Cot(t)(1-cos^2(t))=cos(t)sin(t)
storchak [24]
Remember: We have to work from either the LHS or the RHS.
(Left hand side or the Right hand side)

You should already know this:

\huge{Cot(t) = \frac{1}{tan(t)} = \frac{1}{\frac{sin(t)}{cos(t)}} = 1\div \frac{sin(t)}{cos(t)} = 1\times \frac{cos(t)}{sin(t)}=\boxed{\frac{cos(t)}{sin(t)}}


You should also know this:

sin^2(t) + cos^2(t) = 1\\\\\boxed{sin^2(t)} = 1 - cos^2(t)

So plugging in both of those into our identity, we get:

\frac{cos(t)}{sin(t)}\cdot sin^2(t) = cos(t)\cdot sin(t)

Simplify the denominator on the LHS (Left Hand Side)

We get:

cos(t) \cdot sin(t) = cos(t) \cdot sin(t)

LHS = RHS

Therefore, identity is verified.
4 0
3 years ago
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