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1 year ago

Please help I don't understand!

Mathematics

2 answers:

Gelneren [198K]1 year ago

8 0

The answer is 25 trust me .

Diano4ka-milaya [45]1 year ago

7 0

Answer:

Step-by-step explanation:

As the triangles within the bigger triangle are similar, the sides are in proportion.

⇒ $\frac{18}{30} = \frac{15}{w}$

⇒ $\frac{3}{5} = \frac{15}{w}$

⇒ 3w = 75

⇒ w = 25

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2 years ago

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MrRissso [65]

Answer:

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2 years ago

What value of x is in the solution set of 9(2x + 1) < 9x - 18?

Alex17521 [72]

Answer:

b. -3

Step-by-step explanation:

9(2x+1) < 9x-18

(distribute the 9)

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(subtract 9 from both sides)

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6 0

2 years ago

Read 2 more answers

The area of a rectangle is 1,036 cm and its length is 74 cm.

Nikitich [7]

Answer:

(i) Breadth = 14 cm

(ii) Perimeter = 176 cm

Step-by-step explanation:

Given,

Area of a rectangle = $1036$ cm²

Length = $74$ cm

(i) Breadth = ?

We know that, Area of a rectangle = length × breadth.

Then,

$1036 = 74 \times Breadth\\1036 \div 74 = Breadth\\\boxed{\bf\:14 \:cm = Breadth }$

(ii) Perimeter of a rectangle = 2 (length + breadth)

Then,

$Perimeter = 2(74 + 14)\\Perimeter = 2(88)\\\boxed{\bf\: Perimeter = 176 \: cm}$

$\rule{150pt}{2pt}$

8 0

1 year ago

There are 7 days in 1 week. How many days are there<br> in 4 weeks?

otez555 [7]

Answer:

28 days

Step-by-step explanation:

You multiply 7 by 4 for find the number of days in 4 weeks, since 1 week is 7 days: 7 × 4 = 28.

Hope this helps!

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2 years ago

Read 2 more answers