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2 years ago

What is -2d-2 < 3d+8

Mathematics

1 answer:

OleMash [197]2 years ago

8 0

Answer:

d > -2

Step-by-step explanation:

-2d-2 < 3d+8

3d+8 > -2d-2

3d + 2d > -2 -8

5d > -10

d > -2

<em>Feel free to mark this as brainliest! :D</em>

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Mark wants to know how many families in his neighborhood plan to attend the neighborhood party. He puts all 80 of the neighborho

bonufazy [111]

Answer:

A. No, this is not a valid inference because he asked only 20 families

Step-by-step explanation:

You cannot assume that those are the only families that would want to go; you have to ask all the families.

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3 years ago

Read 2 more answers

What is the following product?

KiRa [710]

ANSWER

$2 \sqrt{42} +7 \sqrt{2}- 6- \sqrt{21}$

EXPLANATION

The given product is:

$( \sqrt{14} - \sqrt{3} )( \sqrt{12} + \sqrt{7} )$

We expand using the distributive property to obtain:

$\sqrt{14}( \sqrt{12} + \sqrt{7}) -\sqrt{3}( \sqrt{12} + \sqrt{7} )$

Extract the perfect squares to get:

$\sqrt{14}(2 \sqrt{3} + \sqrt{7}) -\sqrt{3}( 2\sqrt{3} + \sqrt{7} )$

Expand further to get;

$2 \sqrt{42} +7 \sqrt{2}- 2(3) - \sqrt{21}$

This simplifies to,

$2 \sqrt{42} +7 \sqrt{2}- 6- \sqrt{21}$

5 0

3 years ago

Forest habitat is cleared to build a new shopping complex. what does this scenario represent? a loss of biodiversity due to a cl

Dominik [7]

A loss of biodiversity due to human activity.

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2 years ago

The legs of an isosceles right triangle both measure 10 inches. Find the length of the hypotenuse.

gavmur [86]

Answer:

14.14

Step-by-step explanation:

10^2 + 10^2 = c^2

100 + 100 = c^2

200 = c^2

c = 14.14

3 0

3 years ago

Which pair of fractions and mixed numbers have a common denominator of 20?

Tomtit [17]

Answer:

D 3 3/4 and 7/10

Step-by-step explanation:

A) 2 3/8 and 3/4

4 goes into 20 evenly but 8 does not

B) 1 5/6 and 2/5

5 goes into 20 evenly but 6 does not

C) 4 1/3 and 1/4

4 goes into 20 evenly but 3 does not

D) 3 3/4 and 7/10

4 goes into 20 evenly and 10 goes into 20 evenly

YES 3 3/4 = 3 15/20 and 7/10 = 14/20

8 0

3 years ago