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Ratling [72]
3 years ago
10

The exchange rate is: £1 = $1.54 How many £ would I get for $77

Mathematics
1 answer:
Alja [10]3 years ago
3 0
The answer is 53.85 x 1.54 = 77
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Select the correct answer.<br> Rewrite the following equation as a function of x.
ivolga24 [154]

Option B:

${f(x)}=9280-20x

Solution:

$\frac{1}{16} x+\frac{1}{320} y-29=0

$\frac{1}{16} x+\frac{1}{320} y-\frac{29}{1} =0

Take LCM of the denominators and Make the denominators same.

LCM of 16, 320, 1 = 320

$\frac{1\times20}{16\times20} x+\frac{1}{320} y-\frac{29\times 320}{1\times 320} =0

$\frac{20}{320} x+\frac{1}{320} y-\frac{9280}{320} =0

All the denominators are same, so you can write in one fraction.

$\frac{20x+y-9280}{320}=0

Do cross multiplication.

${20x+y-9280}=0\times 320

${20x+y-9280}=0

Add 9280 on both sides of the equation.

${20x+y}=9280

Subtract 20x on both sides of the equation.

${y}=9280-20x

Let y = f(x).

${f(x)}=9280-20x

Hence Option B is the correct answer.

6 0
4 years ago
MARK AS BRIANLEST IF ANSWER RIGHT
marishachu [46]

Answer:

x= 13

Step-by-step explanation:

−4/9(18x − 36) = −88

we need to solve the equation for x

\frac{-4}{9}(18x - 36) = -88

First we remove the fraction -4/9

Multiply by -9/4 on both sides

\frac{-9}{4}*\frac{-4}{9}(18x - 36) = -88*\frac{-9}{4}

18x -36 = 198

Now add 36 on both sides

18x = 234

Divide both sides by 18

x = 13





8 0
3 years ago
The difference between a number and seven is less than or equal to -3.
ikadub [295]

Answer:

n ≤ 4

Step-by-step explanation:

"The difference between a number and seven is less than or equal to -3" translates into n - 7 ≤ -3. To solve, isolate the variable n.

n - 7 ≤ -3

n ≤ -3 + 7

n ≤ 4

5 0
4 years ago
Which measurement is the best estimate for the distance between New York City and Washington, D.C.?:
Aleks [24]
The best estimate would be D: 331 km

7 0
3 years ago
Find the volume of a box that will hold nine 9.425 cm3 cylindrical containers that each measure 3 centimeters long. (round to ne
kipiarov [429]
To find the volume of a box that would hold these nine cylinders, you would start with the formula for volume of a cylinder. V=pi x r^2 x h. Substitute in the known volume and the known Height. 9.425=pi x r^2 x 3. Divide both sides by three to get approximately 3.143 = pi x r^2. Divided by pi on both sides. This leaves you with one = r^2. So the radius is equal to one. If the radius equals one, the diameter is two. Assuming the cylinders are arranged in a 3 x 3 array, the length and width of the rectangle or box would be 6cm x 6cm. To find the volume of the box necessary, multiply the length of six by the width of six by the height of three. The volume would be 108 square cm.
6 0
4 years ago
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