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Mamont248 [21]
4 years ago
5

Hello

Mathematics
2 answers:
kotykmax [81]4 years ago
6 0
Add the total distances of how much he drives in the chart and yeah! :d
mr_godi [17]4 years ago
4 0
Add up all the total of distance
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vekshin1

Answer:

x = -3

Step-by-step explanation:

magic

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3 years ago
What is the simplified form of the ninth root of x times the ninth root of x times the ninth root of x times the ninth root of x
Tomtit [17]
Let's convert the task into an example, simplifyng which will make us able to get the answer.
So, according to the task: \sqrt[9]{x} *  \sqrt[9]{x} *  \sqrt[9]{x} *  \sqrt[9]{x} 

=   \sqrt[1/ 9 ]{x} *  \sqrt[1/9]{x} *  \sqrt[1/9]{x} *  \sqrt[1/9]{x}

Now we can simplify: \sqrt[1/9]{x} + 1/9+1/9+1/9

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6 0
4 years ago
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1) if the sum of two prime numbers is divisible by 7 and is a perfect square, what is a possible product of these numbers?
Nuetrik [128]
1) The sum of 2 prime numbers is ALWAYS even, so if x and y are prime number,. then (x+y)/7  = z². In this case either x = 2 or y = 5 (or vice vera). This is the only possibility to be divisible by 7 . Then (5+2)/7 = 1² = 1

2) 5 pipes → 2 hours → 2 pools
then 1 pipe takes (5x2) 10 hours to fill 2 pools
or  1 pipe takes (10/2) 5 hours to fill 1 pool

3) It's 6/30 = 0.2 or 20%

4) 35% represent 7 Students, 100% of the class represent x students:
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0.35/7 = 1/x (Cross multiplication) →0.35x = 7 and x = 7/0.35 → x = 20 students

5) Let K be the age of Katie and B her brother's
K + 2 = B  OR K  = x - 2 (Today)

In 12 years (B+12), B will be twice K  (remember K = B-2) →
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B+12 = 2(B-2) →
B+12 = 2B - 4→
12 + 4 = B and B = 16. If the brother is 16, then Kate is 14
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3 0
3 years ago
All of the following situations can be
Alexus [3.1K]

Answer:

b

Step-by-step explanation:

An integer is a whole number

If the stock market gains by 10 basis points. It means that it increases by (0.0001 x 10) = 0.001% or 0.00001

this is a decimal and not an integer

7 0
3 years ago
−p(51+z)=dz+84 solve for z
tiny-mole [99]

\text{Solve for z:}\\\\-p(51+z)=dz+84\\\\\text{Use the distributive property}\\\\-51p-pz=dz+84\\\\\text{Add 51p to both sides}\\\\-pz=51p+dz+84\\\\\text{Subtract dz from both sides}\\\\-pz-dz=51p+84\\\\\text{Factor out z}\\\\z(-d-p)=51p+84\\\\\text{Divide both sides by (-d - p)}\\\\z=\frac{51p+84}{(-d-p)}\\\\\text{The denominator shouldn't be zero, so we have to make it positive}\\\\\boxed{z=\frac{-51p-84}{d+p}\,\,or\,\,z=-\frac{51p+84}{d+p}}

6 0
3 years ago
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