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3 years ago

PLSSS HELP IF YOU TURLY KNOW THISS

Mathematics

2 answers:

mote1985 [20]3 years ago

8 0

Answer: 8250 or 8.25x10^3 (in standard form)

Step-by-step explanation: Step1 - Do each of the brackets first so, (2.5x10^2) = 250 because you are moving the decimal point up by 2 units (x100 = x10^2).

Step2 - apply the same onto the other bracket so, (3.3x10^1) = 33 because you are moving the decimal point up by 1 unit (x10 = x10^1).

Step3 - because the brackets are next to eachother without any signs in between them we apply multiplication so, 250 x 33 = 8250. Note: you can either leave your answer like this or put it back into standard form depending on what the question asks you to do.

If asked to put the answer 8250 back into standard form then you would get 8.25 x 10^3 remembering the number infront of the multiplier has to be between 1 and 10.

Hope this helps!

Alekssandra [29.7K]3 years ago

5 0

Answer:

I think the answer is 8.25 × 10^3

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Find the surface area of a square pyramid with base edges of 8 feet. The height of each lateral face is 10 feet. Explain or show

Zina [86]

Answer:

224 im pretty sure

Step-by-step explanation:

area of a triangle= base x height / 2

if we plug the values from the problem into the equation, we get 8 x 10 / 2 which simplifies into 80 / 2, which is 40. because this is a square pyramid, we know it has 4 triangles, so we multiply 40 by 4, which is 160. now, we find the area of the square, which can be found with the equation length x width. since all sides of square are equal, the equation becomes 8 x 8, which is 64. finally, we add the area of the triangles to that of the square, and we get 224. hope this helps!

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3 years ago

Fourteen pounds of beans are distributed equally into 10 bags to give out at the food bank. How many pounds of beans are in each

mario62 [17]

Answer:

The answer is 1.4 lbs of beans in each bag

Step-by-step explanation:

You divide 14 by 10 and you will get 1.4

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2 years ago

Find the slope of the given information: (-5,3) and (9,-4) m = y, - y X, - X 1

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Answer:

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3 years ago

I need help on Part B and C on question 2

kap26 [50]

Answer:

The answer to your question is

Part A. Archimedes grades 6 1/4 tests per day

Part B. 8 19/32 days

Part C. 6 26/29 days

Step-by-step explanation:

Part A

Total time = 6 2/5 days

Number of tests = 40 tests

Process

1.- Convert the mixed fraction to improper fraction

6 2/5 = (30 + 2) / 5 = 32/5

2.- Divide 40 by 32/5

40/1 / 32/5 = (40 x 5) / (32 x 1)

= 200 / 32

Simplify

100 / 16 = 50/8 = 25/4

3.- Convert 25/4 to mixed fractions

4 25

25/4 = 6 1/4

Archimedes grade 6 1/4 tests per day

Part B

15 more tests

Total time = 32/5

Total tests = 40 + 15 = 55

Process

1.- Divide 55 by 32/5

55 / 1 / 32 /5 = (55 x 5) / (32 x 1)

= 275 / 32

2.- Convert 275/32 to a mixed fraction

32 275

256

Result 8 19/32 days

Part C

1.- Divide 55 by 7.25

50 / 7.25 = 5000 / 725

725 5000

- 4350

650

Result 6 650/750 = 6 26/29

3 0

3 years ago

Write the expression for when you translate the graph of y = | 1/2 x−2 |+3 a) one unit up, b) one unit down, c) one unit to the

alukav5142 [94]

Answer:

a) y = |x/2 -2| +4

b) y = |x/2 -2| +2

c) y = |(x+1)/2 -2| +3

d) y = |(x-1)/2 -2| +3

Step-by-step explanation:

To translate the function f(x) by (h, k) in the (right, up) direction, you transform it to ...

g(x) = f(x -h) +k

a) one unit up

Add 1 to the function value.

$y=\left|\dfrac{x}{2}-2\right|+3+1\\\\\boxed{y=\left|\dfrac{x}{2}-2\right|+4}$

b) one unit down

Subtract 1 from the function value.

$y=\left|\dfrac{x}{2}-2\right|+3-1\\\\\boxed{y=\left|\dfrac{x}{2}-2\right|+2}$

c) one unit left

Replace x with x-(-1).

$y=\left|\dfrac{x-(-1)}{2}-2\right|+3\\\\\boxed{y=\left|\dfrac{x+1}{2}-2\right|+3}$

d) one unit right

Replace x with x-1.

$\boxed{y=\left|\dfrac{x-1}{2}-2\right|+3}$

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