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Vlada [557]
3 years ago
10

What is the value of 1^2−2x−3y5for x = 2 and y = –4?

Mathematics
1 answer:
NikAS [45]3 years ago
5 0
The answer is 9
One square is equal to one. for the rest just substitute the x and y for the given values
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What is the measure of the missing angle?
AURORKA [14]

Answer:

Es 60

Step-by-step explanation:

7 0
3 years ago
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The price of a cup of coffee was $2.65 yesterday. today, the price fell to $2.50 . find the percentage decrease. round your answ
sergejj [24]
We must find the difference between prices. $2.65 - $2.50 = $0.15. Now we need to calculate what percent $0.15 is of $2.65. It is 5.7%! The price decreased, so it is a 5.7% decrease!
8 0
3 years ago
Please help!!!
stiv31 [10]

Answer:

B

C

B

Step-by-step explanation:

1.  Percent means out of 100

8% = 8/100

.08

B

2. Is means equals and of means multiply

W = 48% *180

W = .48 *180

W =86.4

C

3. Is means equals and of means multiply

80 = 125% * W

80 = 1.25 W

Divide each side by 1.25

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64

B

6 0
3 years ago
Y=35+x how I do solve for x
Mazyrski [523]

Try to put x on one side.

Do y       =       35+X

    -35            -35

Now you have Y-35=x

Hope this helped

5 0
3 years ago
If remove the zero from 0.76 would it change the value of the number
wariber [46]

Question 1:

<h3>Answer: The number does <u>not</u> change</h3>

Removing the zero from 0.76 leads to .76 which is the same as before. Both lead to 7.6 \times 10^{-1} in scientific notation.

Personally I prefer the zero up front to make the decimal point stand out easier. Of course it's just a preference, so its up to you to decide which you prefer.

===========================================

Question 2:

<h3>Answer: Yes the number changes</h3>

Taking the zero out of 10.25 leads to 1.25 which is definitely a different number (and smaller). Therefore, this zero is a significant digit compared to before.

5 0
2 years ago
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