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lakkis [162]
3 years ago
15

According to her running log, Ariana averaged 4 miles per week last month and 75% less this month. How much did she average this

month?
Mathematics
1 answer:
Umnica [9.8K]3 years ago
3 0

Answer:

She averaged 3 miles per week this month.

Step-by-step explanation:

You just take 75% of 4 and get 3.

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The difference 3 1/2 minus 1 1/2 must be<br> between and
bija089 [108]

Answer:

2

Step-by-step explanation:

3 1/2 - 1 1/2 = 2

PLS GIVE BRAINLIEST

5 0
3 years ago
What is the answer to number 7b?
Semmy [17]
Increasing it by 10% will be 11.55. To find teen percent all you do is make it a decimal then multiplying it by 10.50
4 0
3 years ago
find the x-intercepts and the coordinates of the vertex for the parabola Y equals negative X squared plus 8X -12. If there’s mor
Oksanka [162]

Answer:

x = 2, and 6

x = 2 , 6

Step-by-step explanation:

The quadratic function to analyze is: y = -x^2+8x-12

In order to find where the corresponding parabola intercepts the x axis, we set it equal to zero (y = 0):

y = -x^2+8x-12\\0 = -x^2+8x-12\\x^2-8x+12=0

This equation is easy to solve by factoring. We look for a air of integer numbers whose product equals the constant term "12", and whose combinig renders the coefficient of the middle term of the trinomial "-8".

The two such numbers are "-2" and "-6". We use them to split the middle term, and then solve by factoring by grouping:

x^2-8x+12=0\\x^2-2x-6x+12=0\\(x^2-2x)+(-6x+12)=0\\x(x-2)-6(x-2)=0\\(x-2)(x-6)=0

For the product of two factors to render zero, we need either one to be a zero.This means that (x-2)=0 (that is x = 2), or (x-6)=0 (that is x = 6).

So, there are two x-intercepts: x= 2, and 6

3 0
3 years ago
The figure below is a regular octagon with a side length of 8 inches.
Masteriza [31]

Answer:

309in²

Step-by-step explanation:

Area of an octagon is expressed as;

A=2(1+√2)a²

a is the side length of the octagon

Given

a = 8

Substitute into the formula

A = 2(1+√2)(8)²

A = 2(1+√2)(64)

Expand

A = 2(64+64√2)

A = 128+128√2

A = 128+128(1.414)

A = 128+181.01

A = 309in²

Hence the area of the octagon is 309in²

3 0
2 years ago
Will mark brainliest meed asap !<br><br> Question 1<br> Solve – 3 = -12 using inverse operations
Brrunno [24]

Answer:

Step-by-step explanation:

First, she has to add. Second, she has to divide.

5x - 3 = 12

+ 3 + 3

——————

5x = 15

x = 3

Hope this helps!

6 0
2 years ago
Read 2 more answers
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