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PtichkaEL [24]
3 years ago
11

Which one is it , help me on this please please please please please please please

Mathematics
1 answer:
snow_tiger [21]3 years ago
4 0

Answer:

D

Step-by-step explanation:

7^-2 = 1/7^2

The negative means you flip it

1/7^2 times 7^6 is 7^6/7^2 (just multiply).

using rules of exponents, 7^6/7^2 is 7^4 (just subtract 2 from 6)

D is the only one that equals 7^4, as 2 times 2 is 4.

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grapes cost 2.09 per pound. john bought 3.25 pounds. how much will john pay for the grapes? show work​
jek_recluse [69]

Answer:

6.79

Or 6.80

Step-by-step explanation:

2.09×3.25= 6.79

6 0
3 years ago
Can someone check my answers to see if they're correct?
Sati [7]

Answer:

a = 125°

b = 55°

c = 55°

d = 55°

e = 125°

f = 55°

Step-by-step explanation:

See the attached diagram.

The angles (x + 75)° and (2x + 25)° are the alternate angles and they are equal.

So, x + 75 = 2x + 25  

⇒ x = 50

Hence, (x + 75)° = (50 + 75)° = 125°.

Now, from the given diagram it is clear that  

a = (x + 75)° = (2x + 25)° = e = 125°

And, b = c = d = f = 55°

This is because, a and b are supplementary angles and their sum will be 180°.

So, a + b = 180°

⇒ 125° + b = 180°

⇒ b = 55°

So, b = c = d = f = 55° (Answer)

3 0
3 years ago
How many Americans died from the Spanish Flu ?
Vilka [71]

Answer:

Over 500 Million people. It was very deadly.

<u><em>I hope this helped at all.</em></u>

5 0
3 years ago
Read 2 more answers
A cyclist rides his bike at a rate of 10 miles per hour. What is this rate in kilometers per hour? How many kilometers will the
Orlov [11]
If the cyclist rides at 10mph and 1mph=1.6kph then 1.6x10=16 which means he was traveling at 16 kilometers per hour and after five hours he would have traveled 80 kilometers
7 0
4 years ago
M = 2/3, B = -5<br> M = -5, b = 3/2<br> M = 2, b = -6<br> M = -5, b= 2
MA_775_DIABLO [31]

Answer: m = 3/2, b = -5

Step-by-step explanation:

When we input these values into slope-intercept form y = mx + b, then we get y = 3/2x -5. When trying out different x values, we get the same points that are on the line such as (2, -2) also the y-intercept is -5, so we know it is a true statement and that the slope 3/2 and y-intercept -5 are the only correct answers for this line.

8 0
3 years ago
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