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Sliva [168]
3 years ago
11

Michaela paid $690 wholesale for mirrors that cost $933 retail. Calculate the percent decrease in price. 

Mathematics
2 answers:
aliina [53]3 years ago
8 0
A) $933 - $690 = $243
b) $243 ÷ $933 = 0.2604
c) 0.2604 x 100 = 26.04 %

Decrease was about 26.04 %
PIT_PIT [208]3 years ago
3 0
The bargain price she was given was 690/933 = 73.95 percent of retail.

The rest ... 26.05 percent ... was her discount.
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Y=-3x+2:
Already in slope intercept form
Graph by plotting a point on (0,2)
Then move 3 points up and 1 to the right and plot the point and keep doing that a couple times

-3x-y=-2:
Add -3x on both sides
The result would be
-y=3x-2
Divide everything by negative 1
Y=-3x+2

Both equations are the same so they are the same line
8 0
3 years ago
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The cost of buying a small piece of land in a remote village since the year 1990 is represented by the following table . Which m
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Answer:

C(t)=30+3.5t

Step-by-step explanation:

Yeah this is the answer

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3 years ago
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Need some help with this please
saveliy_v [14]
-0.83 for it’s the lowest number
5 0
2 years ago
(x+7)^2+9=0<br><br> Find x with quadratics
Ne4ueva [31]

Answer:

x = -7 ±3i

Step-by-step explanation:

(x+7)^2+9=0

Subtract 9 from each side

(x+7)^2+9-9=0-9

(x+7)^2=-9

Take the square root of each side

sqrt((x+7)^2) = ±sqrt(-9)

We know sqrt(ab) = sqrt(a) sqrt(b)

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We know that sqrt(-1) is the imaginary number i

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x+7 =±3i

Subtract 7 from each side

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6 0
3 years ago
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A softball pitcher has a 0.675 probability of throwing a strike for each pitch and a 0.325 probability of throwing a ball. If th
Dafna11 [192]

Answer:

The probability that exactly 19 of them are strikes is 0.1504

Step-by-step explanation:

The binomial probability parameters given are;

The probability that the pitcher throwing a strike, p = 0.675

The probability that the pitcher throwing a ball. q = 0.325

The binomial probability is given as follows;

p(x) = _{n}C_{x}\cdot p^{x}\cdot q^{1-x}

Where:

x = Required probability

Therefore, the probability that the pitcher throws 19 strikes out of 29 pitches is found as follows;

The probability that exactly 19 of them are strikes is given as follows;

\binom{29}{19}(0.675)^{19}0.325^{10} = \frac{29!}{19!\times 10!}\times (0.675)^{19}\times 0.325^{10} = 0.1504

Hence the probability that exactly 19 of them are strikes = 0.1504

8 0
3 years ago
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