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2 years ago

7 more than a number ? A)n+7 B)7+n C)7-n

Mathematics

2 answers:

Elza [17]2 years ago

4 0

Answer:

B)7+n

Step-by-step explanation:

igomit [66]2 years ago

4 0

Answer:

A but see below.

Step-by-step explanation:

A is likely the best answer, although B is also correct. However you should write things in the other they are given.

n + 7 is the very best way to answer.

7 + n is not wrong but maybe not wanted.

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1cm represents 5.4miles on a scale drawing, what distance does 17.1cm on the scale drawing represent in real life.

patriot [66]

Answer:

0.00011

Step-by-step explanation:

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2 years ago

40 divided by 3/8 please asap

Verdich [7]

3/8 = 0.375
40/0.375 = 106 and 2/3

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2 years ago

2x squared + 9x=-5 i need to solve for x

In-s [12.5K]

$2x^2+ 9x=-5 \\ \\2x^2 + 9x+5 =0 \\\\a=2, \ \ b=9 , \ \ c=5 \\\\\Delta =b^2-4ac = 9^2 -4\cdot 2\cdot 5 = 81-40=41 \\ \\x_{1}=\frac{-b-\sqrt{\Delta} }{2a}=\frac{-9-\sqrt{41}}{2\cdot 2 }=\frac{-9-\sqrt{41}}{ 4 }\\\\ x_{2}=\frac{-b+\sqrt{\Delta} }{2a}=\frac{-9+\sqrt{41}}{2\cdot 2 }=\frac{-9+\sqrt{41}}{4 }$

3 0

2 years ago

Find the radius of the circle which has the same area

Neko [114]

Answer:

13 cm

Step-by-step explanation:

We can get the answer in the following way:

4 0

2 years ago

Sally dug a hole 5 feet deep to plant roses. She

ikadub [295]

Step-by-step explanation:

here will take the earth's surface as 0.

hence,

the first hole that Sally dug is 5 feet below the surface making its integer -5

the second hole Sally dug was 8 feet below the surface making its integer -8

therefore, the roses are closest to the surface.

8 0

2 years ago