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3 years ago

Help me please idk this

Mathematics

2 answers:

Leya [2.2K]3 years ago

7 0

To solve this, you have to subtract the number of miles Cory ran from the number of miles Carrie ran. To do this, I would turn the improper fractions into mixed numbers. So, 8(5/8) = 69/8 and 5(1/4) = 21/4. Now, we have to find a common denominator which would be 8. To make 21/4 have a denominator of eight, multiply both he numerator and the denominator by 2, which will give you 42/8. Now, you can perform 69/8 - 42/8 which gives you 27/8. Next, simply turn this number back into a mixed number, which would be 3(3/8) miles. Hope this helps!

Dima020 [189]3 years ago

3 0

The answer is 3 3/8 miles

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PLEASE HELP 2 QUESTIONS 45 POINTS!!!!!!!!!

Effectus [21]

Answer:

1. -8x² - 16x - 6 a = -8, b = -16, c = -6

1. 4x² - 1 a = 4, b = 0, c = -1

Step-by-step explanation:

use the 'foil' method:

(4x + 2)(-2x - 3)

F: -8x² O: -12x I: -4x L: -6

-8x² - 16x - 6

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F: 4x² O: -2x I: 2x L: -1

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3 years ago

On a coordinate plane, a point is at (negative 4, negative 4) and (negative 4, negative 10).

Valentin [98]

Answer:

Option C.

Step-by-step explanation:

Hey there!

The points are; (-4,-4) and (-4,-10).

Use distance formula.

$d = \sqrt{ {(x2 - x1)}^{2} + {(y2 - y1)}^{2} }$

~ Put all values.

$d = \sqrt{ {( - 4 + 4)}^{2} + ( { - 10 + 4)}^{2} }$

~ Simplify it.

$d = \sqrt{ {0}^{2} + ( { - 6)}^{2} }$

$d = \sqrt{36}$

Therefore, distance between the points is 6 units.

Hope it helps...

6 0

3 years ago

PLEASEE HELP THIS IS DUE TODAY

dangina [55]

Answer:

The first one is 360 degrees. The second one is 1080.

Step-by-step explanation:

The sum of the interior angles of a quadrilateral are always 360. If you subtract 90 from 360 to get 270. Multiply 270 by 4 to get 1080.

7 0

3 years ago

A particular geometric sequence has strictly decreasing terms. After the first term, each successive term is calculated by multi

Maksim231197 [3]

Answer:

6 possible integers

Step-by-step explanation:

Given

A decreasing geometric sequence

$Ratio = \frac{m}{7}$

Required

Determine the possible integer values of m

Assume the first term of the sequence to be positive integer x;

The next sequence will be $x * \frac{m}{7}$

The next will be; $x * (\frac{m}{7})^2$

The nth term will be $x * (\frac{m}{7})^{n-1}$

For each of the successive terms to be less than the previous term;

then $\frac{m}{7}$ must be a proper fraction;

This implies that:

$0 < m < 7$

Where 7 is the denominator

The sets of $0 < m < 7$ is $\{1,2,3,4,5,6\}$ and their are 6 items in this set

Hence, there are 6 possible integer

3 0

3 years ago

BESTIES PLEASE HELP ASAP WILL GIVE POINTS AND BRAINLIEST. Express as a trinomial (2x-6) (x-4)

zaharov [31]

Answer:

2x² - 14x + 24

Step-by-step explanation:

Use the FOIL method (First, Outside, Inside, Last).

First, multiply the first term of both parenthesis:

2x * x = 2x²

Next, multiply the outside terms of both parenthesis:

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Then, multiply the inside terms of both parenthesis:

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Finally, multiply the last terms of both parenthesis:

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Combine like terms:

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2x² (-14x) + 24

2x² - 14x + 24 is your answer.

4 0

3 years ago

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