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kati45 [8]
3 years ago
8

Solve x/6 = 20. a. x = 120 b. x = 3 c. x = 14 d. x = 26

Mathematics
2 answers:
GenaCL600 [577]3 years ago
8 0
The correct answer is A. x=120
HACTEHA [7]3 years ago
7 0
<span>x/6 = 20.
a. x = 120</span>
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The box par of a box and whisker plot represents
Serga [27]
They represent a math equation.
3 0
4 years ago
Shen is going to rent a truck For one day. There are two companies he can choose from, and they have the following prices.
Serga [27]

Answer:

The mileages for which company A charge less than company B when , y > 50 .

Step-by-step explanation:

Given as :

The two truck companies have following prices

Company A

The initial fee = i = $110

And unlimited mileage

Company B

The initial fee = I = $65

Additional charge = $0.90 per mile driven

Let it driven x mile

Let The mileages for which company A charge less than company B = y

<u>Now, According to question</u>

Charges of company A = charges of company B

i.e i = I + 0.90 × x

Or, $110 = $65 + 0.90 × x

Or, $110 - $65 = 0.90 × x

Or, $45 = 0.90 × x

∴    x = \dfrac{45}{0.90}

i.e  x = 50

i.e  Company B driven x = 50 miles

So, The mileages for which company A charge less than company B = y

And y > x

i.e y > 50

Hence, The mileages for which company A charge less than company B when , y > 50 . Answer

6 0
3 years ago
A Chemist has 100g of 25% acid solution. How much of these solution he needs to drain and replaced with 70% acid solution to obt
VashaNatasha [74]

this can be solved by establishing system of eqution:

let x be the amount of 25 % acid soln needs to be drained

y is the amount of 70% acid solution

first equation:

<span>(100 – x) + y  = 100</span>

Second equation

0.25(100 – x ) + 0.7y = 0.60(100)

Solving the system of equation

<span>X = 77.78 g of 25 % acid solution is needed to be drained</span>

5 0
3 years ago
Read 2 more answers
The area of a rectangle varies jointly as its length and width. Find the equation of joint variation if A = 60ft², l = 15ft, and
MaRussiya [10]

Answer: The length is 6 feet and the width is 10 feet.

Step-by-step explanation: The question has specified the area as 60 (square feet) and the length and width are yet unknown. However we know that the length is 4 feet less than the width. What this means is that, if the width is W, then the length is W - 4.

We can now write an equation for the area of the rectangle as follows;

Area = L x W

60 = (W - 4) x W

60 = W^2 - 4W

If we rearrange all terms on one side of the equation, we now have

W^2 - 4W - 60 = 0

This is a quadratic equation and by factorizing, we now have

(W + 6) (W - 10) = 0

Hence,

Either W + 6 = 0 and then W = -6

Or W - 10 = 0 and then W = 10

We know that the side of the rectangle cannot be a negative value, so we go with W = 10.

Having calculated W as 10, the length now becomes

L = W - 4

L = 10 - 4

L = 6

Therefore, length = 6 feet and width = 10 feet

5 0
3 years ago
Read 2 more answers
Please help me with this
anastassius [24]

Answer:

The answer to your question is the letter A.

Step-by-step explanation:

Data

radius = 12 ft

Circumference = ?

Process

The Circumference is the length of the border of a circle. To find the length of this border, just use the formula, substitute the radius and pi and simplify.

Formula

Circumference = 2πr

Substitution

Circumference  = 2(3.14)(12)

Simplification

Circumference = 75.36 cm

7 0
3 years ago
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