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max2010maxim [7]
3 years ago
9

M to the second power equals 49. Is it 7?

Mathematics
2 answers:
kvasek [131]3 years ago
6 0
Yes because the square root of 49 is 7
Feliz [49]3 years ago
4 0
M^2 = 49
M^2 = 7^2
M = -7 and M = 7
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At Fabco, there are 156 boots, which make up 26% of the shoes in the store. At Famous Footwear, there are 130 boots, which make
PtichkaEL [24]

Answer:

Famous Footwear has the most sheos.

Step-by-step explanation:

156/26=6=1%

6x100=600

At Fabco there are 600 sheos

130/13=10=1%

10x100=1000

At Famous Footwear there are 1000 sheos

7 0
3 years ago
1. Find p(-3) if p(x) = 4x3 - 5x2 + 7x - 10
SVETLANKA909090 [29]

Answer:

1) -184

2) 13(m^{4}) ^{2}-3(m^{4})+4

Step-by-step explanation:

For problem number 1, Let's start by substituting all the x's for -3

So the equation will look like

p(-3)=4(-3)^{3}-5(-3)^{2}+7(-3)-10

Now, lets simplify by solving the exponents

First we'll do -3^{3} which equals -27

Now we'll do -3^{2} which equals 9

So now our equation looks like

p(-3)=4(-27)-5(9)+7(-3)-10

Now, we are going to multiply all these numbers

First 4(-27) which equals -108

Now -5(9) which equals -45

And finally 7(-3) which equals -21

Now our equation looks like

p(-3)= -108-45-21-10

Now we can solve

-108-45-21-10=-184

8 0
4 years ago
Factorise fully 9b-3b²
Schach [20]

3b(3-b) is the answer

Step by step explanation : take out the most common factor which is 3b

3 0
3 years ago
Read 2 more answers
Amirah's family is driving to her uncle's house. The family travels 383.5 miles between 10:15 am and 4:45 pm. Calculate the fami
ddd [48]

Answer:

The family's average rate of travel for the day was 59.0 MPH.

Step-by-step explanation:

From 10:15AM to 4:45PM, they travelled a distance of 383.5 miles and a total of 6 hours and 30 minutes.

There are 60 minutes in an hour. 30 minutes translates into 1/2 an hour or .5

So, 6.5 hours and a total distance of 383.5 miles.

Velocity (MPH) = Distance (in miles) / Time (in hours)

MPH means Miles Per Hour

Variables:

Velocity (MPH) = x

Distance (in miles) = 383.5

Time (in hours) = 6.5

Plug in the variables into the formula

x = 383.5 / 6.5

Divide

x = 59.0 MPH

5 0
2 years ago
Read 2 more answers
From Midnight to 6 am the temperature rose 8 degrees C. At 6 am the temperature was -21 degrees C. What was the temperature at m
Alika [10]
Hello!

We know that from midnight to 6am the temperature went up 8° and at 6am it was -21°

To find what it was at midnight we have to work backwards

Since it went up we have to subtract 8 from -21

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The answer is -29°C

Hope this helps!
7 0
3 years ago
Read 2 more answers
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