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melisa1 [442]
3 years ago
9

the tens digit in a two digit number is 1 more than the units digit. The difference between this number and the reverse number i

s 1/5 of the reverse number. Find the number.The price of a box of 15 cloud markers is $12.70. The price of a box of 42 cloud markers is $31.60. All prices are without tax, and the price of the boxes is the same. How much would 50 cloud markers in a box cost
Mathematics
1 answer:
sp2606 [1]3 years ago
7 0

Answer:

37.20 P=0.7+2.20

Step-by-step explanation:

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Jerry has a miniature model of a boat. He knows that the boat is 3 3/4 inches wide and 5 1/2 inches long. What is the actual len
FromTheMoon [43]

Width of the miniature model = 3\frac{3}{4} inches

Length of the miniature model = 5\frac{1}{2} inches

The actual width of the boat = 15 feet

Let us find the actual length of the boat.

Write it in a proportion form.

width of model : length of model : : width of actual : length of actual

$\Rightarrow 3\frac{3}{4}:5\frac{1}{2}::15:x

$\Rightarrow\frac{15}{4}:\frac{11}{2}::15:x

$\Rightarrow\frac{\frac{15}{4}}{\frac{11}{2}} =\frac{15}{x}

Do cross multiplication.

$\Rightarrow{\frac{15}{4}x =15\times\frac{11}{2}

$\Rightarrow{\frac{15}{4}x =\frac{165}{2}

$\Rightarrow x =\frac{165}{2}\times{\frac{4}{15}

⇒ x = 22

Hence the actual length of the boat is 22 feet.

6 0
4 years ago
Joel Trump is paid one and one-half times the regular hourly rate for all hours worked in excess of 40 hours per week and double
Irina18 [472]

Answer:

C. $516

Step-by-step explanation:

His regular rate is $8 per hour.

Since it's 40 hours a week, it means from Monday to Friday his regular work time is 8 hours per day.

Thus, for the regular week work, he is to be paid;

40 × 8 = $320

Now, we are told he worked 9 hours each day from Monday through Friday.

This means that;

He worked 1 hour each day.

That is 5 hours extra from Monday to Friday.

He is paid one and one-half times the regular hourly rate.

Thus, for this 5 extra hours, he will be paid 1½ × 5 × 8 = $60

He works 6 hours on Saturday, and 4 hours on Sunday.

Thus;

For Saturday, he is also paid one and one-half of regular pay. Thus, he is due for;

1½ × 8 × 6 = $72

He is paid double the regular hourly pay for Sundays.

Thus, for 4 hours on Sunday, he is paid;

2 × 8 × 4 = $64

Total he is due = $320 + $60 + $72 + $64 = $516

7 0
3 years ago
Graph if f (x) =2x^-10 for find f(5)
nekit [7.7K]

Answer:

f(5)=2.048*10^{-7}

Step-by-step explanation:

We have that f(x)=2x^{-10}, we want to find f(5).

We can rewrite this function with positive index to get:

f(x)=\frac{2}{x^{10}}

We need to substitute x=5 into the given function to get:

f(5)=\frac{2}{5^{10}}

This implies that:

f(5)=\frac{2}{9765625}

In scientific notation:

f(5)=2.048*10^{-7}

3 0
4 years ago
What is best definition of combining like terms
Bond [772]
They are terms<span> that contain the same variables raised to the same power. Only the numerical coefficients are different. In an expression, only </span>like terms<span> can be combined. We combine </span>like terms<span> to shorten and simplify algebraic expressions, so we can work with them more easily.</span>
8 0
3 years ago
Solve the problem: <br> 3(x-2)+5=3x-2
Tpy6a [65]

First, start by distributing the 3.  The equation becomes:

3x-6+5=3x-2


Then, you can simplify the left side of the equation:

3x-1=3x-2


Next, subtract 3x from both sides in an effort to make the variable be on one side of the equation.  Once you do this, you will end up with:

-1=-2

Since this is not true, if means that there are no solutions.


Hope this helps!

4 0
3 years ago
Read 2 more answers
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