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harkovskaia [24]
2 years ago
5

I need help with number 6

Mathematics
1 answer:
vodka [1.7K]2 years ago
3 0

Answer:

the value of x is 18........

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A town map has a scale of 2cm:0.5km what is the actual distance for a walk measured at 9cm on the map?
Nastasia [14]

Answer: 2.25 km

Step-by-step explanation:

2 cm = 0.5 km

9 cm = (9 x 0.5)/2

= 2.25 km

4 0
3 years ago
Read 2 more answers
A customer bought 2 small pizzas that cost $5.95 each. How much was her change from $15.00?
Lubov Fominskaja [6]

Answer:

Her change was $3.10

Step-by-step explanation:

One small pizza costs $5.95 each. 2 pizzas equal $11.90. $15.00 minus $11.90 equals $3.10.

3 0
3 years ago
Tom has a large photo he wants to shrink to wallet-sized. It's width is 20 centimeters and it's len is 30 centimeters. If he wan
dsp73
We can use ratios, in other words, if one part of the photo is changed x times, how many times does the other part change?

We can set up the proportion as :
width 1 : length 1 = width 2 : length 2

20 : 30 = 5 : x

We do inverse multiplication, or multiply the outer with outer and inner with inner (W1 * L2 and L1 * W2)

20*x = 30*5
20x = 150
Divide all by 10
2x = 15
Divide all by 2 to isolate x
x = 15/2
x = 7.5cm
5 0
3 years ago
X to the second power + 6x - 7 = 0
velikii [3]
X can equal -7 or 1
X = -7 and 1
6 0
4 years ago
Find the area of a circle with a diameter of 16.
mylen [45]

Answer:

A = 64 pi

or approximately 200.96

Step-by-step explanation:

The diameter is twice the radius

d = 2r

16 = 2r

Divide by 2

16/2 = 2r/2

8 =r

The area of a circle is

A = pi *r^2

A = pi*(8)^2

   = pi *64

Or if we approximate pi as 3.14

A = (3.14) * (64)

A = 200.96

8 0
4 years ago
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