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3 years ago

PLZ EXPLAIN HOW!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!1111

Mathematics

1 answer:

horrorfan [7]3 years ago

3 0

2822183098.59. Convert both to meters and divide

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A submarine starts at the surface of the Pacific Ocean and descends 60 feet

Svet_ta [14]

Answer:

360 feet

Step-by-step explanation:

We need to multiply the number of hours, 6, with 60 feet: 6*60 = 360 feet The submarines depth after 6 hours will be 360 feet.

4 0

2 years ago

The absolute value of 4 + 7i is equal to the square root of DONE

leva [86]

Answer:

radical 65

Step-by-step explanation:

4+7 are squred and under a radical bar

4^2 +7^2= 16 +49 under radical bar

radical 16+49=radical 65

good luck

8 0

2 years ago

One apple costs $0.55 at the grocery store. Customers receive on free apple for every 8 apples that they buy. Anna paid a total

chubhunter [2.5K]

Answer:

Anna received 2 free apples

Step-by-step explanation:

no probm

6 0

3 years ago

Read 2 more answers

An exterior angle of a regular convex polygon is 40°. What is the number of sides of the polygon?

seraphim [82]

Answer:

option B

Step-by-step explanation:

Sum of interior angles of a polygon with n sides:

$= (n - 2 )\times 180$

$Therefore, Each \ interior \ angle = (\frac{n - 2}{n} )\times 180$

$Sum \ of \ one \ of \ the \ interior \ angle \ with \ its \ exterior \ angle \ is \ 180^\circ$

$[ \ because \ straight \ line \ angle = 180^\circ \ ]$

That is ,

$Exterior \ angle + Interior \ angle = 180^\circ\\\\40^ \circ + (\frac{n-2}{n}) \times 180 = 180^\circ\\\\40 n + 180n - 360 = 180n\\\\40n = 180n - 180n + 360 \\\\40n = 360 \\\\n = 9$

Sum of exterior angles of a regular polygon = 360

Given 1 exterior angle of the regular polygon is 40

Therefore ,

$n \times 40 = 360\\\\n = \frac{360}{40} \\\\n = 9$

8 0

3 years ago

1) Factor the polynomial using the GCE. 2x2 + 6x

yarga [219]

Answer:

$2x(x+3)$

Step-by-step explanation:

$2x^{2} +6x$

$2x(x+3)$

4 0

3 years ago

Read 2 more answers