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Irina-Kira [14]
4 years ago
6

A teacher grades her students test using the formula :

Mathematics
2 answers:
Mariana [72]4 years ago
7 0

To find the answer you need to do 7 divided by 8.

0.875

.....also known as 87.5%

Troyanec [42]4 years ago
6 0

Answer:

0.875

Step-by-step explanation:

divide 7 by 8 to get the answer

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If a^16 is the same as 2^64, what is the absolute value of a?
Alisiya [41]

Answer:

a=16

Step-by-step explanation:

we know the power rule:

(a^{m})^{n} =a^{m*n}

In this problem we have

a^{16}=2^{64}

rasise both sides to 1/16

(a^{16})^{\frac{1}{16}}=(2^{64})^{\frac{1}{16}}

Applying the power rule

(a)^{\frac{16}{16}}=(2)^{\frac{64}{16}

simplify

a=(2)^{4}

a=16

3 0
4 years ago
I will give brainliest !!!!!
4vir4ik [10]

Answer:

90 notebooks and folders

Step-by-step explanation:

Find the least common multiple (LCM) or 18 and 15!

18 x 5 = 90

15 x 6 = 90

Therefore, your answer is 90

Hope this helps!

6 0
4 years ago
If x is a number that is 7 more than y, how do you express x as a function of y?
k0ka [10]
I believe the correct answer from the choices listed above is option B. The variable y is the independent variable here and x is the dependent variable so the function can be represented as f(y). The function should be written as:

<span>x = f(y) = 7 + y</span>
8 0
3 years ago
The dimensions of a rectangular water tank are 2
Svetllana [295]

Rectangle volume formula: Volume = length × width × height

V = 2.75 × 1.80 × 1.40 = 6.93 meters³

1m³ = 1000 litres

6.93 × 1000 = 6930 litres

Answer:

6930 litres of water can hold when filled to the brim.

4 0
3 years ago
Read 2 more answers
After being rejected for employment, Kim Kelly learns that the Bellevue Credit Company has hired only two women among the last 2
masha68 [24]

Answer:

Binomial Problem with n = 20  and p(hire woman) = 1/2

P(at most two) = binomial(20,1/2,2) = 0.0001811

Step-by-step explanation:

The probability of  successes in  trials where  is the probability of success on any given trial is given by:

 

5 0
4 years ago
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