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Ilia_Sergeevich [38]
3 years ago
13

Please help with these questions. Will mark brainliest!

Mathematics
1 answer:
andrew11 [14]3 years ago
6 0

Answer:

1, pre image 2, transformation

Step-by-step explanation:

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HELPPPPP!!!!!!!!!!!!!!!!!!!
Anna35 [415]
8o+12y=362
12o+8y=388
Im choosing “o” for orchid and “y” for lily
20o+20y=750
20o=750–20y
o=37.5–y
(37.5–y)+20y=750
-y+20y=712.5
19y=712.5
y=37.5

So, lilies sell for $37.50

5 0
2 years ago
I need help please?!!!!!!
Sindrei [870]

Answer:

-2x-10 ≥ 22

Collect like terms

-2x ≥ 22+10

-2x ≥ 32

divide both sides by -2

x ≥ -16.

5 0
3 years ago
What is the approximate area of the unshaded region under the standard normal curve below? Use the portion of the standard norma
Harlamova29_29 [7]

The approximate area of the unshaded region under the standard normal curve is 0.86 the option third is correct.

It is given that the standard normal curve shows the shaded area in the curve.

It is required to find the approximate area of the unshaded region under the standard normal curve.

<h3>What is a normal distribution?</h3>

It is defined as the continuous distribution probability curve which is most likely symmetric around the mean. At Z=0, the probability is 50-50% on the Z curve. It is also called a bell-shaped curve.

In the curve showing the shaded region area between:

\rm P(1 < Z < 2)

First, we calculate the shaded region area:

From the data given the value of Ф(1) = 0.8413.

P(Z<1)  = 0.8413  and

P(Z<2) =  0.9772

The area of the shaded region:

= P(Z<2) - P(Z<1)

=  0.9772 - 0.8413

= 0.1359

The area of the unshaded region:

= 1 - The area of the shaded region  ( because the curve is symmetric)

= 1 - 0.1359

= 0.8641 ≈ 0.86

Thus, the approximate area of the unshaded region under the standard normal curve is 0.86 the option third is correct.

Know more about the normal distribution here:

brainly.com/question/12421652

4 0
2 years ago
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
3241004551 [841]
The percentage of the discount is 75%
8 0
3 years ago
Read 2 more answers
A surfboard costs $240. The sales tax on a surfboard is $12. What is the percent in sales tax?
Pie
The tax rate is 5%

Hope this helps!
6 0
3 years ago
Read 2 more answers
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