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Margarita [4]
3 years ago
13

What value of x makes this equation true?

Mathematics
1 answer:
marysya [2.9K]3 years ago
6 0
24 makes the equation true
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First u have to draw a dollar sign ($). Then the amount of dollars (ex. ..23..) then the amount of coins , (ex: .45). Here's the full example, $23.45. :-)
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Round to the nearest whole number? .7​
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Step-by-step explanation:

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How many minutes in p hours​
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3 years ago
Answer the following Question
anastassius [24]

Answer:

a)$15.95

b) 8kg

Step-by-step explanation:

a)Approach this question by finding how much does it cost for 1g

So,

$2.1/50=$0.042per gram

then, multiple 380 to get the cost of sweets for 380 g

$0.042/gram*380gram=$15.96(Note: the gram cancel out each other)

Which is $15.95 as the question requested

b)This question stated that 3/4 of the metal has 15 kg

So, in order to find the total mass of metal we invert the 3/4 fraction

e.g 4/3*15=20kg

now we have the total mass we can find the mass for 2/5 of the metal

2/5*20kg=8kg

3 0
3 years ago
A rock is thrown from the side of a ledge. The height (in feet), x seconds after the toss is modeled by: h(x) = -3(x-4)^2+79 How
julia-pushkina [17]

The rock lands on the graound when h(x) = 0:

h(x)=-3(x-4)^2+79=0-3(x-4)^2=-79

Dividing both sides by -3 gives

(x-4)^2=\frac{79}{3}

Taking the square root of both sides gives

x-4=\sqrt[]{\frac{79}{3}}

Finally, adding 4 to both sides gives

x=\sqrt[]{\frac{79}{3}}+4

converting to a decimal form gives

x=9.1

Hence, the rock lands on the ground after 9.1 s.

7 0
1 year ago
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