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denpristay [2]
2 years ago
9

HELPPPPPPPPPPPPPPPPPPPP!!!!!!!!!!!!!!

Mathematics
2 answers:
guajiro [1.7K]2 years ago
3 0

Answer:

true

false

false

true

Step-by-step explanation:

80 × .25 = 20

80 × .10 = 8

80 × .40 = 32

80 × .20 = 16

80 × .5 = 4

.25 is equivalent to 25% and so on.

Dimas [21]2 years ago
3 0

Answer:

True

False

False

True

Step-by-step explanation:

The first statement is true: 25% of 80 is 20 (.25 × 80 = 20).

The second statement is false: 10% of 80 is 8, not 10 (.10 × 80 = 8).

The third statement is false: 40% of 80 is 32, not 24 (.40 × 80 = 32).

The fourth statement is true: 20% of 80 is 16 (.20 × 80 = 16).

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Transform the equation to isolate x: ax=bx+1. How is the value of x related to the difference of a and b
nasty-shy [4]

Answer:

x is the reciprocal of the difference of a and b.

Step-by-step explanation:

ax=bx+1

Subtract by bx on both sides

ax-bx=1

x(a-b)=1

x= 1/(a-b)

8 0
3 years ago
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Twenty less than a number is more than twice the same number . Step by step to get the answer
likoan [24]
20 less than (-20) a number (n) is more than (>) twice the same number (2n)
-20+n>2n
minus n both sides
-20>n
n<-20
3 0
4 years ago
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Ramona is a saleswoman whose base plus commissions amounted to $52,561 last year. If her base pay was $23,960 and she made $77,3
Ksju [112]

Answer:

37%

Step-by-step explanation:

If Ramona received an overall pay of $52,561 last year, $23,960 of which was base pay, we can first subtract these two numbers to find the amount she made from her sales commission:

$52,561 - $23,960 = $28,601

In order to find her percent commission, we can set up a proportion:

\frac{p}{100}=\frac{28,601}{77,300}, where 'p' is her rate of commission

Cross-multiply and divide:  100(28601) = 77300x or 2,860,100 = 77,300x

Or x = 37%

8 0
3 years ago
Read 2 more answers
Helppppp pleaseeeeeeewwwwwwwww
klemol [59]

Answer:

It should be 1,628 m^{2}.

Step-by-step explanation:

We see two shapes in the figure and those shapes are a rectangle and a circle. Let's find the area of the circle first. 25m won't help us find the area of the circle so let's pretend that 25m isn't there for now. 40m seems to be the diameter of the circle and to find the area of the circle we need to multiply the radius squared by Pi or 3.14. Half of 40 is 20 so we can multiply 20 squared by Pi to give us 1,256.63706. Do not round this number yet. As you can see this circle isn't a full circle. It's a semicircle. We can divide 1,256.63706 by 2 to find the area of a semicircle. You should get 628.31853 and round that to the nearest tenth and we get 628.32. Now let's keep that number in mind and find the area of the rectangle. Using a calculator we can easily multiply 40 and 25 to find the area of the rectangle, which is 1,000. Add 1,000 and 628.32 and our final results should be 1,628.32. I don't see this number in your options but option B is closely related to this answer. I hope this helps and if this answer is wrong then please give me some feedback on what I did wrong! Thank you!

8 0
3 years ago
The graph of a quadratic function, y=x?. is reflected over the x-axis. Which of the following is the equation of the
Kazeer [188]

Answer:

x = -y

or

-y = x

Step-by-step explanation:

since you reflect it over the x axis, the y changes to a negative

6 0
4 years ago
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