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2 years ago

As an estimation we are told 5 miles is 8 km.Convert 80 km to miles.

Mathematics

1 answer:

mrs_skeptik [129]2 years ago

7 0

49.70. If you’re supposed to round up, I would say 50. Hope it’s right :)

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Solve using square root method

avanturin [10]

$\frac{1}{2}(x+5)^2 + 9 = -15$

$\frac{(x+5)^2+18}{2} = \frac{-30}{2}$

Cancel out the denominators.

(x+5)² + 18 = -30

(x+5)² = -30 - 18

(x+5)² = -48

The equation is impossible, we have a negative number.

There isn't a number that squared gives a negative number (the square is always positive).

√(x+5)² = +/- √-48

x+5 = +/- √-48

IMPOSSIBLE

You can write the result in imaginary numbers

x+5=+/- 4i√3

6 0

2 years ago

fladli sells televisions. He earns a fixed amount for each television and an additional $ 20 if the buyer gets an extended warra

ivanzaharov [21]

Answer: $80

Step-by-step explanation:

Given: The amount earned by Fadil on selling 14 televisions= $1400

Therefore, the amount he earned on selling 1 television= $\frac{1400}{14}=\$100$

Since, he sold televisions with extended warranty and he earns $20 additional for it.

Then, the fixed amount Fadil earns for each television= $\$100-\$20=\$80$

Hence, Fadil earns $80 as the fixed amount for each televison.

4 0

3 years ago

Which is the value of this expression when p = -2 and q = -1?

Pie

Answer:

Here is the ans...hope it helps:)

7 0

1 year ago

H(t) = -t + 3; Find h(-5)

Anastasy [175]

Answer:

Step-by-step explanation:

h(t) = -t + 3;

h(-5)

Let t = -5

h(-5) = - -5 +3

= 5+3

= 8

7 0

3 years ago

Read 2 more answers

What is the common ratio between successive terms in the sequence<br> 2,4,8,-16, 32, 64,

marysya [2.9K]

Answer: The sequence does not have common ratio.

Step-by-step explanation:

By definition, a sequence with a constant ratio (common ratio) between terms is called a "Geometric sequence". In order to find the common ratio, it is necessary to divide any term in the sequence by the previous term.

In this case, given the sequence:

$2,4,8,-16, 32, 64,$

We get:

$4\div2=2\\\\8\div4=2\\\\-16\div8=-2\\\\32\div(-16)=-2\\\\64\div32=2$

Since the ratios between the terms are not constant, we can conclude that <em>the sequence does not have common ratio.</em>

3 0

3 years ago

Read 2 more answers

As an estimation we are told 5 miles is 8 km.Convert 80 km to miles.​

As an estimation we are told 5 miles is 8 km.Convert 80 km to miles.