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LekaFEV [45]
3 years ago
12

20 pts and brainliest

Mathematics
2 answers:
igomit [66]3 years ago
7 0

Answer:

It’s Should be 25% because there are 4 cards and 100 split into 4 parts is 25

Step-by-step explanation:

kirza4 [7]3 years ago
6 0
It’s Should be 25% because there are 4 cards and 100 split into 4 parts is 25
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Heathers weekly pay is directly proportional to the number of hours she works at the record store her pay is 174 for 24 hours of
Karolina [17]

Answer:

Heather pay will be <u>290</u> for 40 hours of work.

Step-by-step explanation:

Given:

Amount he gets paid weekly =174

Number of hours of work =24

we need to find the amount of pay for 40 hours of work.

Also Given:

weekly pay is directly proportional to the number of hours.

Framing in equation form we get;

Amount Of Pay ∝ Number of hours of work

Hence Amount of Pay = k × Numbers of hours of work.

where k is constant.

Substituting the values we will find the value of k

174 = k \times 24\\\\k = \frac{174}{24} = 7.25

Now using this we will find the amount of pay when hours of work is 40.

Amount Of Pay = 7.25\times 40 = 290

Hence Heather pay will be <u>290</u> for 40 hours of work.

8 0
3 years ago
Lesson: 1.08Given this function: f(x) = 4 cos(TTX) + 1Find the following and be sure to show work for period, maximum, and minim
Ber [7]

The given function is

f(x)=4\cos \text{(}\pi x)+1

The general form of the cosine function is

y=a\cos (bx+c)+d

a is the amplitude

2pi/b is the period

c is the phase shift

d is the vertical shift

By comparing the two functions

a = 4

b = pi

c = 0

d = 1

Then its period is

\begin{gathered} \text{Period}=\frac{2\pi}{\pi} \\ \text{Period}=2 \end{gathered}

The equation of the midline is

y_{ml}=\frac{y_{\max }+y_{\min }}{2}

Since the maximum is at the greatest value of cos, which is 1, then

\begin{gathered} y_{\max }=4(1)+1 \\ y_{\max }=5 \end{gathered}

Since the minimum is at the smallest value of cos, which is -1, then

\begin{gathered} y_{\min }=4(-1)+1 \\ y_{\min }=-4+1 \\ y_{\min }=-3 \end{gathered}

Then substitute them in the equation of the midline

\begin{gathered} y_{ml}=\frac{5+(-3)}{2} \\ y_{ml}=\frac{2}{2} \\ y_{ml}=1 \end{gathered}

The answers are:

Period = 2

Equation of the midline is y = 1

Maximum = 5

Minimum = -3

3 0
1 year ago
Alyssa started hiking at an elevation of 1500ft. After 2 hours, she was at 1200ft. Which integer desceibes her change in elevati
SpyIntel [72]

Answer:

-300.

Step-by-step explanation:

First, you'd have to subtract 1500 from 1200. This gives you 300, but since she is descending rather than ascending, the number is negative rather than positive.

7 0
4 years ago
Read 2 more answers
Cliff is trying to make a set of parallel lines in a coordinate plane intersect at a perpendicular angle. Which strategy would w
joja [24]
C I think but not sure sorry if it’s got wronge
7 0
3 years ago
Please help. Could you explan your answer also? thanks
natulia [17]
Answer: Choice B) -4

The lower quartile, also known as Q1 or the first quartile, is the left edge of the box. In this case, that is at -4. We can drop a vertical line from the left edge of the box until we hit -4 on the number line. 

Side Note: 25% of the data values are below Q1, while 75% of the data values are above Q1
4 0
4 years ago
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