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kondor19780726 [428]
3 years ago
6

A large pizza has diameter 36 cm and a medium pizza has diameter 30 cm. What is the difference in area of the pizzas? Round your

answer to the nearest square centimeter.
Mathematics
1 answer:
Alik [6]3 years ago
8 0

Answer: 10cm squared

Step-by-step explanation:

pix15 squared =47.12(2dp)

pix18 squared =56.75 (2dp)

difference =56.75-47.12=9.63

=10cm to nearest square centimetre

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Graph the equation below by plotting the y-intercept and a second point on the line. When you click Done, your line will appear
Gala2k [10]

Answer:

Step-by-step explanation:

Equation of the line has been given as,

y=\frac{3}{2}x-5

By comparing this equation with the y-intercept form of the equation,

y = mx + b

Slope of the line 'm' = \frac{3}{2}

and y-intercept 'b' = -5

Table for the points to be plotted on a graph will be,

x              y

-4           -11

-2           -6

0            -5

2            -4

4            -3

By plotting y-intercept (0, -5) and any one of the points given in the table we can get the required line.

5 0
3 years ago
A store has a 20% off sale. Which equation
rodikova [14]

Answer:

80%/100%×$24

Step-by-step explanation:

I don't see any options here so let's work it out.

If all prices are reduced by 20%,it implies that 80% of the original value is charged to the buyer as sales price.

Since original value of the pants is $24-100%

then sales value(80%)=(80%/100%×$24)

5 0
3 years ago
Read 2 more answers
Reina and Sam are multiplying (84)5 (73)9.
Ann [662]
<span>This is a tricky question that Reina and Sam are multiplying (84)5 (73)9
and their work are 
</span><span>(84)5 (73)9 = 84 + 573 + 9 = 89712    Reina's
(84)5 (73)9 = 84⋅573⋅9 = 820727 Sam's
Actually they are doing or multiplying using exponents.

</span>

Reina’s work (8⁴)₅(7³)⁹=8⁴⁺⁵+ 7³⁺⁹= 8⁹ 7¹²<span>
This is incorrect  because she added exponents instead of multiplying exponents

Sams work (8</span>⁴<span>)</span>⁵<span> (7</span>³<span>)</span>⁹<span>=8</span>⁴ˣ⁵<span> 7</span>³ˣ⁹<span>= 8</span>²⁰<span> 7</span>²⁷<span>
<span>This is correct  because Sam multiplied exponents correctly</span></span>

<span><span>Exponents are multiplied not added.</span></span>

4 0
3 years ago
What is the combine like terms of 3(12x-x
steposvetlana [31]

Step-by-step explanation:

33x

7 0
3 years ago
Let v=-3i and w=2 - 4i. Find v*w
Mice21 [21]

Answer:

v×w =  -6i-12

Step-by-step explanation:

hello :

Let v=-3i and w=2 - 4i.

v×w = -3i(2-4i) = -6i+12i² = -6i-12    ... i² = -1

7 0
3 years ago
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