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omeli [17]
3 years ago
14

7. A football player has made 80 % of the field goals in his career. If he attempts 5 field goals in a game, Select from below h

ow many is he expected to make?
Mathematics
1 answer:
Alika [10]3 years ago
8 0

Percentage of field goals a football player is expected to make = 80%

Number of field goals he attempted in a game = 5

Number of field goals he will be expected to make :

= 80% of the number of field goals he had attempted

= 80% of 5

= \tt  \frac{80}{100}  \times 5

= \tt  \frac{80 \times 5}{100}

=  \tt \frac{400}{100}

\hookrightarrow \color{plum} \tt4 \: field \:  \:  goals

Thus, number of field goals he is supposed to make = 4

▪︎Therefore, the football player is expected to make 4 out of the 5 field goals he attempted.

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3. Three times a number is seven more than double the number. What is the number?
victus00 [196]

Answer:

7

Step-by-step explanation:

3 * 7 = 21

21 - 7 = 14

7*2 =14

3 0
3 years ago
Fernanda runs a large bowling league. She suspects that the league average score is greater than 150 per
murzikaleks [220]

Answer:

1.20

Step-by-step explanation:

Let mean be represented by M and standard deviation by d. The score will be x and sample number of games be n

To get the test statistic, t for Fernanda's test, we use the formula

t=\frac {M-x}{\frac{s}{\sqrt n}}

Substituting 156 for mean, M then 150 for score x and 30 for standard deviation while 36 for n then

t=\frac {156-150}{\frac{30}{\sqrt 36}}

t=1.20 when put in two decimal place

6 0
3 years ago
Please help me answer one of these!
babunello [35]

This seems to be referring to a particular construction of the perpendicular bisector of a segment which is not shown. Typically we set our compass needle on one endpoint of the segment and compass pencil on the other and draw the circle, and then swap endpoints and draw the other circle, then the line through the intersections of the circles is the perpendicular bisector.


There aren't any parallel lines involved in the above described construction, so I'll skip the first one.


2. Why do the circles have to be congruent ...


The perpendicular bisector is the set of points equidistant from the two endpoints of the segment. Constructing two circles of the same radius, centered on each endpoint, guarantees that the places they meet will be the same distance from both endpoints. If the radii were different the meets wouldn't be equidistant from the endpoints so wouldn't be on the perpendicular bisector.


3. ... circles of different sizes ...


[We just answered that. Let's do it again.]


Let's say we have a circle centered on each endpoint with different radii. Any point where the two circles meet will then be a different distance from one endpoint of the segment than from the other. Since the perpendicular bisector is the points that are the same distance from each endpoint, the intersection of circles with different radii isn't on it.


4. ... construct the perpendicular bisector ... a different way?


Maybe what I first described is different; there are no parallel lines.



8 0
4 years ago
What expression is equivalent to 3 radical sign 8x^2y^3z^4
musickatia [10]
\sqrt[3]{8x^{2}y^{3}z^{4}} \\\sqrt[3]{4y^{3}z^{3} * 2x^{2}z} \\\sqrt[3]{4y^{3}z^{3}}\sqrt[3]{2x^{2}z} \\2yz\sqrt[3]{2x^{2}z} \\The\ expression\ that\ is\ equivalent\ to\ \sqrt[3]{8x^{2}y^{3}z^{4}}\ is\ 2yz\sqrt[3]{2x^{2}z}.
7 0
3 years ago
9+10=21 true or false
Oksana_A [137]

Answer:

False

Step-by-step explanation:

9+10=19. 10

+9

——

19

4 0
4 years ago
Read 2 more answers
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