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3 years ago

Can someone help me with 9 please

Mathematics

1 answer:

maksim [4K]3 years ago

5 0

7% of 9,200 which is 644. 800+644=1,444

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I think of a number, multiply it by three, and add four. My answer is 22. Using this statement, form and equation using the lett

lesantik [10]

Let x represent the number you thought of
3x+4=22

Solve:
3x+4=22
3x=18
x=6

4 0

3 years ago

Match the vocabulary word to its correct definition.

bixtya [17]

Answer:

1 -> f

2 -> e

3 -> d

4 -> a

5 -> c

6 -> g

7 -> b

Step-by-step explanation:

Let consider the options as a,b,c,d,e,f,g

1. Bell curve -> f

2. Data set -> e

3. Histogram -> d

4. Mean -> a

5. Normal distribution -> c

6. Standard deviation -> g

7. Variance -> b

3 0

4 years ago

Three friends rented a car for a week and divided the cost equally. What was the total cost of renting the car ?

Zielflug [23.3K]

Answer:

The cost would be $ 180.

Step-by-step explanation:

(1) Let x be the cost( in dollars ) for one week if three friends are kept in the car,

Since,

two-week rate = 1.5 × one week rate.

Thus, data is insufficient to find the total cost of renting the car,

(2) Since, total cost = x,

If number of friends = 3,

Then the cost paid by each friend = $\frac{x}{3}$ dollars,

If number of friends = 4,

Then the cost paid by each friend = $\frac{x}{4}$ dollars,

According to the statement (2),

$\frac{x}{3}-\frac{x}{4}=15$

$\frac{4x-3x}{12}=15$

$\frac{x}{12}=15$

$\implies x = 12\times 15 = 180$

Hence, the total cost of renting the car would be $ 180.

3 0

4 years ago

Evaluate the left hand side to find the value of a in the equation in simplest form.

saveliy_v [14]

Answer:

(x^5)^1/2 = x^a

<=> (x^5/2) = x^a

<=> 5/2 = a

8 0

3 years ago

Which expression is equivalent to 7(p+2n)+n?

Illusion [34]

We actually need the choices but oh well, we can simpify and hopefuly it is one of the choices

remember the distributive property
a(b+c)=ab+ac
so

7(p+2n)+n
distribute first
7(p)+7(2n)+n
7p+14n+n
7p+15n is an equivilent expression

3 0

3 years ago