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dmitriy555 [2]
3 years ago
6

Help please! will mark brainliest! lots of points

Mathematics
2 answers:
Fudgin [204]3 years ago
8 0

Answer:

The new width is 20

Step-by-step explanation:

w = 45

h = 27

We want the height to be 12

We can use proportions to find the new dimensions

w        w old      w new

----- = ---------- = ----------

h         h old        h new

45           w new

---------- = ----------

27            12

Using cross products

45*12 = 27 * w new

540 = 27 w new

Divide by 27

540/27 = 27 w new/27

20 = w new

The new width is 20

mariarad [96]3 years ago
3 0

Answer:

7 1/5 cm

Step-by-step explanation:

45/27 = 12/x

x = 12*27 / 45

x = 324/45

x = 7 9/45

= 7 1/5

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4 0
3 years ago
What the answer of 4 / 1 1/8
ICE Princess25 [194]
If you mean 4 / (11/8)

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4 0
3 years ago
Karan needs to choose between two gym plans. He can either pay a $150 joining fee and a $10 monthly fee, or he can pay a $50 joi
Ierofanga [76]

Let  x be the month on which the fee for two plans are equal.

Therefore,

150 + 10x = 50 + 30x

10x - 30x = 50 - 150

-20x = -100

x = 5

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Hence, Karan will pay a cumulative cost of $200 dollars with either plan to go to the gym for 5 months.

4 0
3 years ago
Which expression is equivalent to 5(a+b)
AnnZ [28]

Answer:

5a+5b

Step-by-step explanation:

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Hope this helps.

4 0
4 years ago
Simplify each expression using the order of operations
Tju [1.3M]

Answer:

Look at example below...

Step-by-step explanation:

Here's an example to help you:

(2×4) ÷ (1×2)=

8÷2.

Your basically just trying to put the expression with its simplest form.

7 0
3 years ago
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