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erik [133]
3 years ago
5

Dan buys a car for £2200.

Mathematics
1 answer:
pashok25 [27]3 years ago
3 0

Answer:

£1134

Step-by-step explanation:

0.5%×6 = 3.0% ≈ 3%

\frac{3}{100} × 2200 = 3 × 22 = 66 (we shorten the zeros ⇒ ∅∅)

2200 - 66 = £1134

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Graph the line with slope – 2 passing through the point (-5,5).
34kurt

Answer:

y = -2x - 5

Step-by-step explanation:

y = -2x + b

- To find the y-intercept, plug the values of the variables.

5 = -2(-5) + b

5 = 10 + b

- Subtract 10 from both sides.

-5 = b

3 0
2 years ago
HELP HELP HELP HELP<br>show the steps too. I'll give BRAINLIEST!​
natali 33 [55]
Move constant to the right-hand side and change its sign

2x^2 + 8 = -2 + 7
-2 + 7 = 5

Divide both sides of the equation by

x^2 + 4x = 5/2

Add (4/2^2) to both sides of the equation

x^2 + 4x + (4/2)^2 = 5/2 + (4/2)^2

factor the expression

(x + 4/2)^2 = 13/2

reduce the fraction by 2

(x + 2)^2 = 13/2

now solve equation for x




3 0
3 years ago
3-^1 x (4 x 6) x 2-^3
xeze [42]

\huge{ \boxed{ \mathbf{ \blue{Problem:-}}}}

\bold{ {3}^{ - 1 \ } (4 \times 6) \times  {2}^{ - 3} }

\huge{ \boxed{ \bf{ \blue{Solution:-}}}}

\bold{ {3}^{ - 1}(4 \times 6) \times  {2}^{ - 3}  }

=  \bold{   \frac{1}{3}^{1}  (4 \times 6) \times  { \frac{1}{2}^{3} } }

=  \bold{ \frac{1}{3} \times 24 \times  \frac{1}{8}  }

\bold{= 1}

<h3><u>〜</u><u>Hope</u><u> it's</u><u> helpful</u></h3>
4 0
3 years ago
Read 2 more answers
the length of a tangent from a point a at distance 5 cm from the centre of the circle is 4 cm find the radius of the circle ​
Semenov [28]

The radius of the circle is 3 cm.

<u>Step-by-step explanation:</u>

Refer the attached diagram, the circle with centre O. In that given, AB is tangent given as 4 cm and distance of point from the circle, OA = 5 cm

As AB is tangent, OB (radius of circle) is perpendicular to AB (tangent at any point of circle). Therefore the angle of OBA is 90 degree.

Also, triangle OAB is a right angled triangle (refer attached diagram). By using Pythagoras theorem in right angled triangle,

             (\text {Hypotenuse})^{2}=(\text {Height})^{2}+(\text {Base})^{2}

             (O A)^{2}=(O B)^{2}+(A B)^{2}

Substitute the given values in the above expression, we get

             (5)^{2}=(O B)^{2}+(4)^{2}

             (O B)^{2}=25-16=9

Taking square root on both side, we get

              Radius of the circle, OB = 3 cm

5 0
3 years ago
Find the slope of the following line. -9x-2y= -18
STatiana [176]

Answer:

m= -9/2

Step-by-step explanation:

hope i helped :) !!!

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3 years ago
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