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kykrilka [37]
3 years ago
11

Select the best answer for the question.

Mathematics
2 answers:
nadezda [96]3 years ago
7 0

Answer:

A

Step-by-step explanation:

because I said so.

Anvisha [2.4K]3 years ago
5 0

Answer:

the correct answer is option A

Step-by-step explanation:

(9-2)(-2)

(7)(-2)

=-14

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4 0
3 years ago
Mason and Nora decided to swim across the river. Mason began swimming 1 minute earlier than Nora.
Mademuasel [1]
Mason:

time = t
V =  6 ft/s
Distance = v * t = 6t

Nora:

time = t - 60 [ I passed 1 minute to seconds]
V = 8 ft/s
Dsitance = v*t = 8 (t - 60)

Both distance are equal

6t = 8(t-60)
6t = 8t - 480
8t -6t = 480
2t = 480
t = 480/2
t = 240 s

Mason had been swimming for 240 seconds when both had swan the same distance.
5 0
4 years ago
Which type of tax is income tax?​
Serhud [2]

Answer:

B.) Progressive

Step-by-step explanation:

Its schedule of marginal tax rates imposes a higher income tax rate on people with higher incomes, and a lower income tax rate on people with lower incomes. The percentage rate increases at intervals as taxable income increases.

6 0
3 years ago
Read 2 more answers
15 crackers weigh 69 grams. how many kilograms is this?
Marrrta [24]

Answer:

0.069\ kg

Step-by-step explanation:

we know that

1 kg=1,000 g

so

using proportion

Find out how many kilograms are 69 grams

Let

x -----> the weight in kg

\frac{1}{1,000}\frac{kg}{g} =\frac{x}{69}\frac{kg}{g}\\\\x=\frac{69}{1,000}\\\\x=0.069\ kg

6 0
4 years ago
A square tile has an area of 324 square inches. what is the perimeter of the square tile in inches?
kotykmax [81]

The formula of an area of a square: A=a^2


a - side


We have: A=324\ in^2


substitute:


a^2=324\to a=\sqrt{324} \to a=18\ in


The fromula of a perimeter of a square is: P=4a


substitute:


P=4\cdot18=72\ in^2

7 0
3 years ago
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