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aleksandr82 [10.1K]
3 years ago
10

Help! Need help. Not good with this.

Mathematics
2 answers:
PIT_PIT [208]3 years ago
8 0
The first answer is 7.7

the second one is 137.5
olga nikolaevna [1]3 years ago
4 0
35% of 22 = 0.35 × 22 = 7.7

55 is 40% of A
A = 55/40% = 137.5
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Only answer this if you have an explanation and if you know what the answer is.
laiz [17]

Answer:

34

Step-by-step explanation:

5 1/10=5.1=5.10

5.10÷0.15

=510÷15

=34

3 0
2 years ago
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I need help please and thank you
ozzi

Answer:

-2480

Step-by-step explanation:

31 * -80 =-2480

Not sure how to explain this more, but I hope this helps!

3 0
3 years ago
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Find the equation of the parabola that has zeros of x = –1 and x = 3 and a y-intercept of (0,–9). Question 1 options: A) y = 3x2
andrey2020 [161]

Answer:

A

Step-by-step explanation:

Given the zeros are x = - 1 and x = 3 then the factors are

(x + 1) and (x - 3) and the parabola is the product of the factors, that is

y = a(x + 1)(x - 3) ← where a is a multiplier

To find a substitute (0, - 9) into the equation

- 9 = a(0 + 1)(0 - 3) = a(1)(- 3) = - 3a ( divide both sides by - 3 )

3 = a, thus

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  = 3(x² - 2x - 3) ← distribute by 3

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7 0
3 years ago
Consider the numbers p
e-lub [12.9K]

Answer:

44664.59503

Step-by-step explanation:

Hello,

In this question, you're asked to find the radical of a number. However in mathematics, the radical of a number simply means "√" and not directly square root of that number, its could be the cube root "³√" or even the fourth root "⁴√".

In this case, we're asked to find the 3 radical of p/q which means 3√(p/q)

P = 2.78×10¹¹

Q = 3.12×10⁻³

p / q = 2.78×10¹¹ / 3.12×10⁻³

p / q = 8.91×10¹³

The 3 radical = 3√(8.91×10¹³)

3√(p/q) = 44664.59503

6 0
3 years ago
Subtract using a number line. −3−(−7) Select the point on the number line to plot the answer.
Igoryamba

Answer:

-3-(-7)

when subtracting a negative the signs turn in to addition

-3+(+7)

4

Step-by-step explanation:

8 0
3 years ago
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