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lukranit [14]
2 years ago
15

PLEASE HELP :’( last one

Mathematics
1 answer:
valina [46]2 years ago
5 0

Answer:

A.3

Step-by-step explanation:

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4.5 multiplied by -1.7
elena-s [515]

Answer:

-7.65

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Help Please You Will Get Brainliest
makvit [3.9K]

Answer:

35$

Step-by-step explanation:

1/4 of 60 is = 15 and 1/4 of 80 is = 20

Add 20 and 15 = 35$

5 0
2 years ago
Consider a dart board made of three concentric circles of radii 1 cm, 2cm and 3 cm, respectively. The points you obtain by hitti
Vlada [557]

Answer:

The answer is 350 points

Step-by-step explanation:

The Area of a circle is πr∧2

The problem states that in the attempts, you never hit the outermost ring in the 10 attempts so we need the area of the 1cm and 2cm circles

Area of the 1st circle;  π X 1∧2 = π

Area of the Second circle; π X 2∧2 = 4π

We also need the area which is the difference between the area of the 1cm and 2cm circle

4π - π  = π

Points 50 = π/4π = 1/4

points 30 = 3π/4π = 3/4

For one attempt,

E(x) = 50 x 1/4 + 30 x 3/4

= 12.25 + 22.5

= 34.75

This is approximately 35

Therefor, 10 individual attempts will be 10 x 35 = 350

8 0
3 years ago
Read 2 more answers
Need help with these 2 problems on my homework.
poizon [28]
4. 55 + 0.65*55 =  $90.75

5. 90.75 * 0.25*90.75 = $113.44

6. 113.44 - 0.33*113.44 = $76.00
4 0
3 years ago
A rectangle has a perimeter of 30. It is dilated by a scale factor of 2.
LuckyWell [14K]

Answer:

It is 60.

Step-by-step explanation:

When shapes are dilated (when they get bigger or smaller), perimeter changes linearly—in direct proportion with length. This means if the scale factor is 2, then you multiply it by 2. 2 multiplied by 30 equals 60.

5 0
3 years ago
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