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natulia [17]
2 years ago
7

Choose the correct expressions using the fewest number of bases possible that are equivalent to the current expression. (Select

all that apply); (Hint: There are 2 correct choices) Question 2 options: 53+2 53×52 53×2 55

Mathematics
2 answers:
kykrilka [37]2 years ago
5 0

Answer:

\huge \boxed{\mathrm{5^{3+2} \ \ \ \ 5^5 }}

Step-by-step explanation:

5³ × 25

25 can be written as a base of 5.

5³ × 5²

We need expressions with fewest number of bases possible.

Apply exponent rule : a^b \times a^c = a^{b+c}

5^{3+2}

Add exponents.

5^5

yKpoI14uk [10]2 years ago
4 0

Answer:

The answer is easy its 53 times 2 and 52 times 2

Step-by-step explanation:

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Simplify the expression <br> 9− 3(2)2
Kazeer [188]

Answer:

-3

Step-by-step explanation:

9-3(2)2

9-(6)2

9-12

-3

3 0
2 years ago
Read 2 more answers
A cell phone costs $170 and has a tax rate of 7%. Write and Solve a proportion to find how much tax is paid on the cell phone.
Darina [25.2K]

Answer:

The Amount of tax paid on the cell phone is $11.9

Step-by-step explanation:

Given as :

The cost of the cell phone = x = $170

The tax rate of the cell phone = r = 7% of the phone cost

Let The Amount of tax paid on the cell phone = $y

<u>Now, According to question</u>

The Amount of tax paid on the cell phone = 7 % of cost of the cell phone

i.e y = 7% of x

Or, y = \dfrac{7}{100} × x

Or,  y = \dfrac{7}{100} × $170

Or, y = \frac{7\times 170}{100}

∴ y = 7 × 1.7

i.e y = $11.9

So,The Amount of tax paid on the cell phone = y = $11.9

Hence, The Amount of tax paid on the cell phone is $11.9   Answer

4 0
2 years ago
Please help me, it's a multi-step problem
Vika [28.1K]

Answer:

The first part is B= -2t + 95.

Step-by-step explanation:

Every hour the battery drops by 2 so the equation is

current battery charge= (time)(-2)+(starting battery charge)

3 0
2 years ago
Oscar runs 13 miles each week. If he has run 195 miles
Rus_ich [418]

Answer:

15

Step-by-step explanation:

195/13=15

7 0
3 years ago
Gina's curtain company is making curtains for a local hotel. She wants each curtain to be 36 inches long. At the fabric store, f
9966 [12]

Answer:

231 feet of fabric

Step-by-step explanation:

Gina's curtain company is making curtains for a local hotel. She wants each curtain to be 36 inches long. At the fabric store, fabric is sold by the foot.

Converting from inches to foot

1 inch = 1/12 foot

36 inches = x feet

x = 36 × 1/12 foot

x = 3 feet

Hence, each curtain = 3 feet

If Gina's curtain company wants to make 77 curtains, how many feet of fabric will she need?

This is calculated as:

1 curtain = 3 feet

77 curtains = x

Cross Multiply

x = 77 × 3 feet

x = 231 feet

Hence, she would need 231 feet of fabric

8 0
3 years ago
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