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Vikentia [17]
2 years ago
12

I need help ASAP pleaseee!!

Mathematics
1 answer:
Bess [88]2 years ago
4 0

Answer:

Vertex(1,7)

Vertex form: f(x)=-2\left(x-1\right)^2+7

Step-by-step explanation:

Vertex form equations for x is v=-\frac{b}{2a}

which the vertex here is

-\frac{4}{2\left(-2\right)}

->

x = 1, plugin to find y, y = 7

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The area (in square inches) of a rectangle is given by the polynomial function A(p) = p2 + 9p + 20. If the length of the rectang
boyakko [2]

Answer:

Width = p + 4

Step-by-step explanation:

Given

Area = p^2 + 9p + 20

Length = p + 5

Required

Determine the width

The area of a rectangle is:

Area = Length * Width

This gives:

p^2 + 9p + 20= (p+5)* Width

Expand

p^2 + 4p + 5p + 20= (p+5)* Width

Factorize

p(p + 4) + 5(p + 4)= (p+5)* Width

(p + 5) (p + 4)= (p+5)* Width

Divide both sides by p + 5

p + 4= Width

Width = p + 4

7 0
3 years ago
In a class of 25 students, the following test scores were obtained:
marta [7]

Answer:

Step-by-step explanation:

Firstly,we need to find the mean, median and mode to enable us know the type of distribution it exhibit.

Mode-data with the highest frequency that is data that has the highest repetition which is 59.

Median-the middle data which is 75.

Mean-average of the data that is addition of the data divided by 25 which gives 75.4 approximately equals to 75

Distribution is unimodal symmetric if it has one clear peak(one mode) and mean = median , so Option A is right

Distribution is skewed left if the mean is less than median and the mode is less than the median that is mean is less than the median, and they are both less than the mode. So option B is wrong.

A distribution is uniform if all outcomes are likely to be the same,it is usually a rectangular shaped distribution. So option C is wrong

A distribution is bimodal if it has two modes. This means that there are two data values that tie for having the highest frequency but as for this data we have only one data with the highest frequency so option D is wrong

Option A is correct

5 0
4 years ago
Pls help me answer the question attached
Ganezh [65]
Mai - 6 and 3/4 is 6.75 miles
Noah - 4 and 1/2 is 4.5 miles

To find out how many times the length of Noah’s bike ride was Mai’s, you would divide so

6.75/ 4.5 = 1.5

Therefore the answer would be
b) 3/2 times as far
6 0
3 years ago
Read 2 more answers
Here is the histogram of a data distribution. All class widths are 1.
Lera25 [3.4K]
It’s C. Since that’s the middle based on the diagram
6 0
3 years ago
What is the slope of the line that passes through the points (4, 7) and (5,8)? Write your answer in simplest form.
Sophie [7]

what grade is this and what are the answers i need them to help

6 0
3 years ago
Read 2 more answers
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