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Nutka1998 [239]
3 years ago
14

I need help on this question

Mathematics
1 answer:
vaieri [72.5K]3 years ago
5 0

I'm guessing it is 10? or 7?

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Evaluate the expression 5^-2
NISA [10]

Answer:

\boxed{\frac{1}{25} \text { OR } 0.04}}

Step-by-step explanation:

5^{-2}\\\\\text {Apply Negative Exponent Rule: } a^{-b}=\frac{1}{a^b}\\\\5^{-2}=\frac{1}{5^2}=\boxed{{\frac{1}{25}} \text { OR } 0.04}

7 0
3 years ago
Solve for x. 50 = x^2 Show your work.
Tanzania [10]

50 = x^2

To isolate x you need to do the opposite of an exponent, which would be square root.

\sqrt{50} = x Next solve what the square root of 50 is[tex]5\sqrt{2} = x

That is the exact form, in other words your answer, if teacher is looking for a decimal, it would be

7.07 = x

6 0
3 years ago
Read 2 more answers
Determine which of the following expressions requires combining like terms before it is considered to be in its simplest form. S
lianna [129]
4x + 3y - 7x
a2 + a2 - b

4 0
4 years ago
Baking a tray of chocolate chip cookies, takes three cups of milk and two cups of flour.
Tresset [83]

Answer:

Good to know! If you wanted to ask an actual question based on that info, I would be happy to answer it in the comments!

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Scott made a casserole for dinner. He gave equal portions of Ask Your Teacher of the casserole to 3 friends. What diagram could
Reptile [31]

Answer:

1/6

Question: Scott made a casserole for dinner he gave equal portions of 1/2 the casserole to 3 friends what diagram could scott use to find the fraction of the whole casserole that each friend got?

Step-by-step explanation:

Find attached the diagram Scott used to find the portion each friend got.

The shaded part indicate the portion of the casserole.

When Scott prepared the dinner = 1 portion of casserole

He shared 1/2 the portion to 3 of his friends:

Divide the diagram of the full portion into 2 to get ½ of the casserole

1/2 of the casserole = ½ × 1 portion = ½ portion

Each of his 3 friends would have equal portions = ⅓ of the ½ portion

The diagram of the ½ portion would be divided into 3 equal part

In terms of calculation = ½ × ⅓

= 1/6

Each of his friends would have 1/6 portion of the casserole.

7 0
3 years ago
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