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mario62 [17]
3 years ago
10

Steven get paid $300 a month for his part-time job. Lunch cost him five dollars a day at school but Steven wants to save up at l

east $200 a month towards a new car. Write an inequality to find how many days Steven can buy lunch and still save for his car
Mathematics
2 answers:
qaws [65]3 years ago
6 0

Answer:

300-5x\geq 200

Step-by-step explanation:

Since Steven wants to save at least 200 dollars each month, and lunch costs him five dollars every day, the 300 dollars he gets paid, minus 5 times however many lunches he buys have to be greater than or equal to 200 dollars.

Vikki [24]3 years ago
3 0

Answer:

(300-200)=100Divided by 5

Step-by-step explanation:

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Esearchers believed that an increase in lean body mass is associated with an increase in maximal oxygen uptake. A scatterplot of
Dovator [93]

Answer:

The correct option is (D).

Step-by-step explanation:

The <em>p</em>-value is well defined as per the probability, [under the null hypothesis (<em>H₀</em>)], of attaining a result equivalent to or more extreme than what was truly observed.

A small <em>p</em>-value (typically ≤ 0.05) specifies solid proof against the null hypothesis (<em>H₀</em>), so you discard <em>H₀</em>.

A large <em>p</em>-value (> 0.05) specifies fragile proof against the <em>H₀</em>, so you fail to discard <em>H₀</em>.

The hypothesis is defined as follows:

<em>H₀</em>: The slope of the regression line is 0, i.e. <em>β </em>= 0.

<em>Hₐ</em>: The slope of the regression line is greater than 0, i.e. <em>β </em>> 0.

A scatter-plot of the measurements taken from 18 randomly selected college athletes displayed a strong positive linear relationship between the two variables; lean body mass and maximal oxygen uptake.

The significance level of the test is, <em>α</em> = 0.05.

The <em>p</em>-value of the test is, <em>p</em>-value = 0.04

As the <em>p</em>-value = 0.04 < <em>α</em> = 0.05, we reject the null hypothesis.

So, it can be concluded that there is a statistical evidence of a relationship between lean body mass and maximal oxygen uptake for college athletes.

Since the scatter-plot shows a strong positive linear relationship, it implies that as the an increase in lean body mass causes an increase in maximal oxygen uptake for college athletes.

Thus, the correct option is (D).

7 0
3 years ago
In the past, 35% of the students at ABC University were in the Business College, 35% of the students were in the Liberal Arts Co
lina2011 [118]

Answer: The expected frequency for the Business college is 31.5.

Step-by-step explanation:

Since we have given that

Number of students from ABC university = 300

Number of students from Liberal Arts college = 120

Number of students in Education college = 90

Number of students in Business college = 90

Probability of students in Business college = 35% = 0.35

Probability of students in Liberal arts college = 0.35

Probability of students in Education college = 0.30

So, Expected frequency for the Business College is given by

0.35\times 90=31.5

Hence, the expected frequency for the Business college is 31.5.

4 0
4 years ago
Please help with this question!!
erica [24]

Answer:

<h2>20 ft, 48 ft, 52 ft</h2>

Step-by-step explanation:

The side lengths of ΔEFG are:

5 ft, 12 ft and 13 ft.

The scale factor: s = 4

All sides of the ΔKLM are four times longer than the sides of the ΔKLM.

Therefore the side lengths of KLM are:

5 ft · 4 = 20 ft

12 ft · 4 = 48 ft

13 ft · 4 = 52 ft

3 0
4 years ago
Researchers sample 9000 households concerning TV shows they watch. Based on the sample 14​% reported watching 60 Minutes. What i
svetlana [45]

Answer:

What is centripetal acceleration?

Can an object accelerate if it's moving with constant speed? Yup! Many people find this counter-intuitive at first because they forget that changes in the direction of motion of an object—even if the object is maintaining a constant speed—still count as acceleration.

Acceleration is a change in velocity, either in its magnitude—i.e., speed—or in its direction, or both. In uniform circular motion, the direction of the velocity changes constantly, so there is always an associated acceleration, even though the speed might be constant. You experience this acceleration yourself when you turn a corner in your car—if you hold the wheel steady during a turn and move at constant speed, you are in uniform circular motion. What you notice is a sideways acceleration because you and the car are changing direction. The sharper the curve and the greater your speed, the more noticeable this acceleration will become. In this section we'll examine the direction and magnitude of that acceleration.

The figure below shows an object moving in a circular path at constant speed. The direction of the instantaneous velocity is shown at two points along the path. Acceleration is in the direction of the change in velocity, which points directly toward the center of rotation—the center of the circular path. This direction is shown with the vector diagram in the figure. We call the acceleration of an object moving in uniform circular motion—resulting from a net external force—the centripetal acceleration

8 0
4 years ago
Do you guys know this?
cluponka [151]

Answer:

8,510 mm3

Step-by-step explanation:

Alright so first you gotta find the volume of the house. And then the chimney. To find volume, multiply LxHxW

Chimney: 11x5x2=110

House: 20x21x20=8,400

8,400+110=8,510

4 0
3 years ago
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