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Agata [3.3K]
3 years ago
5

Half a number increased by 10 is 12. Find the number.​

Mathematics
1 answer:
Lady_Fox [76]3 years ago
3 0

Answer:

4

Step-by-step explanation:

Equation:

1/2x + 10 = 12

Subtract 10 from both sides:

1/2x = 2

Divide by 1/2 from both sides:

x = 4

-Chetan K

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Find the cost of a car if it costs $25000 plus 18% VAT.
larisa [96]

Answer:

The car costs $29,500 after the value tax.  

Step-by-step explanation:

First, put the percentage into decimal form.  Since we are adding on the tax, add an additional 1 into the decimal.  

This is what we will use to multiply with: 1.18.

We know the cost of the car, $25,000 and it's VAT, 18%.

To determine how much it will cost after the added value tax, we multiply $25,000 with 1.18 because it is an additional cost to that car specifically.  

25,000 x 1.18 = 29,500

The car costs $29,500 after the value tax.  

6 0
3 years ago
Which is the value of the expression (StartFraction (10 Superscript 4 Baseline) (5 squared) Over (10 cubed) (5 cubed)) cubed?
Flura [38]

Answer:

The value to the given expression is 8

Therefore \left[\frac{(10^4)(5^2)}{(10^3)(5^3)}\right]^3=8

Step-by-step explanation:

Given expression is (StartFraction (10 Superscript 4 Baseline) (5 squared) Over (10 cubed) (5 cubed)) cubed

Given expression can be written as below

\left[\frac{(10^4)(5^2)}{(10^3)(5^3)}\right]^3

To find the value of the given expression:

\left[\frac{(10^4)(5^2)}{(10^3)(5^3)}\right]^3=\frac{((10^4)(5^2))^3}{((10^3)(5^3))^3}

( By using the property ((\frac{a}{b})^m=\frac{a^m}{b^m} )

=\frac{(10^4)^3(5^2)^3}{(10^3)^3(5^3)^3}

( By using the property (ab)^m=a^mb^m )

=\frac{(10^{12})(5^6)}{(10^9)(5^9)}

( By using the property (a^m)^n=a^{mn} )

=(10^{12})(5^6)(10^{-9})(5^{-9})

( By using the property \frac{1}{a^m}=a^{-m} )

=(10^{12-9})(5^{6-9}) (By using the property a^m.b^n=a^{m+n} )

=(10^3)(5^{-3})

=\frac{10^3}{5^3} ( By using the property a^{-m}=\frac{1}{a^m} )

=\frac{1000}{125}

=8

Therefore \left[\frac{(10^4)(5^2)}{(10^3)(5^3)}\right]^3=8

Therefore the value to the given expression is 8

3 0
3 years ago
Read 2 more answers
1 BRAINLIEST and 10 points!
erastovalidia [21]

Answer:

≈40.25 Feet

Step-by-step explanation:

The diagnal length of the orchard is the hypotenuse of the triangal with side lengths of 36 and 18.

Therefore, to calculate that, set the hypotenuse as x.

36²+18²=x²

√1620≈ 40.25yards

If I'm wrong I'm so sorry!  I'm wrong sorry

If I'm right Thank you

(lost)

3 0
3 years ago
Read 2 more answers
It takes Chad six hours to put his own miniature bike together . If Andrew helps him, it only takes four hours. How long would i
wel

Answer:

it would take 10 hours

Step-by-step explanation:

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4 years ago
I don’t know how to answer this
Vladimir [108]

Answer:

Triangle with Blue shape inside.  All of the other shapes are divided up in to triangles.  The triangle on bottom (with blue shape inside) is divided up into polygons.

Step-by-step explanation:

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3 years ago
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